./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/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 79f8d22fb07c95427dd318f6d0f74f02d2c9197f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:00:24,633 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:00:24,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:00:24,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:00:24,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:00:24,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:00:24,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:00:24,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:00:24,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:00:24,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:00:24,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:00:24,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:00:24,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:00:24,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:00:24,654 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:00:24,654 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:00:24,655 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:00:24,657 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:00:24,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:00:24,660 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:00:24,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:00:24,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:00:24,663 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:00:24,664 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:00:24,664 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:00:24,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:00:24,665 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:00:24,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:00:24,666 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:00:24,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:00:24,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:00:24,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:00:24,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:00:24,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:00:24,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:00:24,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:00:24,671 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:00:24,681 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:00:24,682 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:00:24,682 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:00:24,682 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:00:24,683 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:00:24,683 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:00:24,683 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:00:24,683 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:00:24,683 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:00:24,684 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:00:24,684 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:00:24,684 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:00:24,684 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:00:24,684 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:00:24,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:00:24,686 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:00:24,686 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:00:24,686 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:00:24,686 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:00:24,686 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:00:24,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:00:24,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:00:24,688 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_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2018-10-26 20:00:24,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:00:24,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:00:24,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:00:24,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:00:24,728 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:00:24,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-26 20:00:24,774 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/data/f6e57e7af/fcb5d593189f47359e3c1e5e999f89f9/FLAGa5907ab8b [2018-10-26 20:00:25,213 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:00:25,214 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-10-26 20:00:25,223 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/data/f6e57e7af/fcb5d593189f47359e3c1e5e999f89f9/FLAGa5907ab8b [2018-10-26 20:00:25,237 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/data/f6e57e7af/fcb5d593189f47359e3c1e5e999f89f9 [2018-10-26 20:00:25,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:00:25,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:00:25,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:00:25,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:00:25,246 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:00:25,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31141fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25, skipping insertion in model container [2018-10-26 20:00:25,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:00:25,297 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:00:25,600 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:00:25,604 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:00:25,710 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:00:25,722 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:00:25,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25 WrapperNode [2018-10-26 20:00:25,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:00:25,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:00:25,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:00:25,723 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:00:25,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:00:25,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:00:25,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:00:25,787 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:00:25,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... [2018-10-26 20:00:25,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:00:25,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:00:25,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:00:25,953 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:00:25,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:00:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/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 [2018-10-26 20:00:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 20:00:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:00:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:00:30,420 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:00:30,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:00:30 BoogieIcfgContainer [2018-10-26 20:00:30,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:00:30,421 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:00:30,421 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:00:30,430 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:00:30,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:00:30" (1/1) ... [2018-10-26 20:00:30,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:00:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 20:00:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 20:00:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 20:00:30,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-10-26 20:00:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-10-26 20:00:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 20:00:31,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-10-26 20:00:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-10-26 20:00:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 20:00:32,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2018-10-26 20:00:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2018-10-26 20:00:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 20:00:33,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 259 states and 363 transitions. [2018-10-26 20:00:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2018-10-26 20:00:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 20:00:33,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 266 states and 374 transitions. [2018-10-26 20:00:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2018-10-26 20:00:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 20:00:33,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:00:34,226 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 20:00:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 274 states and 387 transitions. [2018-10-26 20:00:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 387 transitions. [2018-10-26 20:00:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 20:00:34,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2018-10-26 20:00:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2018-10-26 20:00:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 20:00:34,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 284 states and 398 transitions. [2018-10-26 20:00:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 398 transitions. [2018-10-26 20:00:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 20:00:35,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:35,043 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:00:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 289 states and 404 transitions. [2018-10-26 20:00:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2018-10-26 20:00:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 20:00:35,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:00:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 295 states and 410 transitions. [2018-10-26 20:00:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 410 transitions. [2018-10-26 20:00:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 20:00:35,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:35,941 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 20:00:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 310 states and 432 transitions. [2018-10-26 20:00:36,375 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2018-10-26 20:00:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 20:00:36,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 317 states and 439 transitions. [2018-10-26 20:00:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 439 transitions. [2018-10-26 20:00:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 20:00:36,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 327 states and 453 transitions. [2018-10-26 20:00:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 453 transitions. [2018-10-26 20:00:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 20:00:37,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:00:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 346 states and 475 transitions. [2018-10-26 20:00:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 475 transitions. [2018-10-26 20:00:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 20:00:38,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 352 states and 481 transitions. [2018-10-26 20:00:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 481 transitions. [2018-10-26 20:00:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 20:00:38,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:38,757 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 20:00:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 372 states and 504 transitions. [2018-10-26 20:00:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 504 transitions. [2018-10-26 20:00:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 20:00:40,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:40,841 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 20:00:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 377 states and 515 transitions. [2018-10-26 20:00:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 515 transitions. [2018-10-26 20:00:41,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 20:00:41,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:00:42,053 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 20:00:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 384 states and 524 transitions. [2018-10-26 20:00:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 524 transitions. [2018-10-26 20:00:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 20:00:42,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 417 states and 563 transitions. [2018-10-26 20:00:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 563 transitions. [2018-10-26 20:00:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 20:00:43,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 451 states and 608 transitions. [2018-10-26 20:00:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 608 transitions. [2018-10-26 20:00:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 20:00:45,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:00:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:45,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 458 states and 620 transitions. [2018-10-26 20:00:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 620 transitions. [2018-10-26 20:00:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 20:00:45,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 465 states and 627 transitions. [2018-10-26 20:00:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 627 transitions. [2018-10-26 20:00:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 20:00:46,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:00:48,165 WARN L179 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-10-26 20:00:49,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 468 states and 631 transitions. [2018-10-26 20:00:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 631 transitions. [2018-10-26 20:00:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 20:00:49,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:49,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:49,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 473 states and 637 transitions. [2018-10-26 20:00:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 637 transitions. [2018-10-26 20:00:49,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 20:00:49,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:00:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 492 states and 660 transitions. [2018-10-26 20:00:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 660 transitions. [2018-10-26 20:00:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 20:00:49,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:00:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 498 states and 667 transitions. [2018-10-26 20:00:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 667 transitions. [2018-10-26 20:00:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 20:00:50,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:51,717 WARN L179 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-10-26 20:00:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 515 states and 688 transitions. [2018-10-26 20:00:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 688 transitions. [2018-10-26 20:00:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 20:00:53,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:00:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 529 states and 714 transitions. [2018-10-26 20:00:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 714 transitions. [2018-10-26 20:00:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 20:00:54,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:00:55,080 WARN L179 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-10-26 20:00:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 537 states and 724 transitions. [2018-10-26 20:00:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 724 transitions. [2018-10-26 20:00:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 20:00:55,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:00:56,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 549 states and 748 transitions. [2018-10-26 20:00:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 748 transitions. [2018-10-26 20:00:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 20:00:56,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:00:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 557 states and 762 transitions. [2018-10-26 20:00:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 762 transitions. [2018-10-26 20:00:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 20:00:56,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:00:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 564 states and 770 transitions. [2018-10-26 20:00:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 770 transitions. [2018-10-26 20:00:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 20:00:56,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:57,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 568 states and 778 transitions. [2018-10-26 20:00:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 778 transitions. [2018-10-26 20:00:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 20:00:57,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 586 states and 799 transitions. [2018-10-26 20:00:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 799 transitions. [2018-10-26 20:00:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 20:00:57,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:00:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 593 states and 809 transitions. [2018-10-26 20:00:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 809 transitions. [2018-10-26 20:00:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 20:00:57,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:00:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 595 states and 811 transitions. [2018-10-26 20:00:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 811 transitions. [2018-10-26 20:00:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 20:00:57,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:00:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 614 states and 833 transitions. [2018-10-26 20:00:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 833 transitions. [2018-10-26 20:00:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:00:57,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:00:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 625 states and 846 transitions. [2018-10-26 20:00:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 846 transitions. [2018-10-26 20:00:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:00:58,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:00:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 626 states and 846 transitions. [2018-10-26 20:00:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 846 transitions. [2018-10-26 20:00:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:00:58,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:00:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:00:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:00:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 641 states and 863 transitions. [2018-10-26 20:00:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 863 transitions. [2018-10-26 20:00:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:00:59,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:00:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 755 states and 982 transitions. [2018-10-26 20:01:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 982 transitions. [2018-10-26 20:01:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 20:01:02,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:01:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 758 states and 985 transitions. [2018-10-26 20:01:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 985 transitions. [2018-10-26 20:01:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:01:02,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:01:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 759 states and 986 transitions. [2018-10-26 20:01:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 986 transitions. [2018-10-26 20:01:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:01:02,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 774 states and 1000 transitions. [2018-10-26 20:01:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1000 transitions. [2018-10-26 20:01:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:01:03,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 786 states and 1016 transitions. [2018-10-26 20:01:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1016 transitions. [2018-10-26 20:01:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:01:04,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 792 states and 1021 transitions. [2018-10-26 20:01:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1021 transitions. [2018-10-26 20:01:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:01:04,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 826 states and 1059 transitions. [2018-10-26 20:01:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1059 transitions. [2018-10-26 20:01:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:01:05,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:01:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 832 states and 1067 transitions. [2018-10-26 20:01:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1067 transitions. [2018-10-26 20:01:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:01:06,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:01:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 833 states and 1067 transitions. [2018-10-26 20:01:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1067 transitions. [2018-10-26 20:01:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:01:06,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:01:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 836 states and 1071 transitions. [2018-10-26 20:01:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1071 transitions. [2018-10-26 20:01:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:01:07,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:01:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 839 states and 1075 transitions. [2018-10-26 20:01:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1075 transitions. [2018-10-26 20:01:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:01:07,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:01:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 840 states and 1075 transitions. [2018-10-26 20:01:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1075 transitions. [2018-10-26 20:01:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:01:08,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 848 states and 1083 transitions. [2018-10-26 20:01:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1083 transitions. [2018-10-26 20:01:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:01:08,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 866 states and 1111 transitions. [2018-10-26 20:01:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1111 transitions. [2018-10-26 20:01:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:01:09,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 876 states and 1125 transitions. [2018-10-26 20:01:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1125 transitions. [2018-10-26 20:01:10,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:01:10,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:11,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 877 states and 1125 transitions. [2018-10-26 20:01:11,229 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1125 transitions. [2018-10-26 20:01:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:01:11,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:11,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 878 states and 1125 transitions. [2018-10-26 20:01:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1125 transitions. [2018-10-26 20:01:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 20:01:11,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:01:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 879 states and 1125 transitions. [2018-10-26 20:01:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1125 transitions. [2018-10-26 20:01:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 20:01:11,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 884 states and 1131 transitions. [2018-10-26 20:01:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1131 transitions. [2018-10-26 20:01:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 20:01:11,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 911 states and 1161 transitions. [2018-10-26 20:01:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1161 transitions. [2018-10-26 20:01:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 20:01:12,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 20:01:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 944 states and 1194 transitions. [2018-10-26 20:01:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1194 transitions. [2018-10-26 20:01:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:01:13,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:01:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 968 states and 1225 transitions. [2018-10-26 20:01:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1225 transitions. [2018-10-26 20:01:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:01:13,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:01:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 970 states and 1226 transitions. [2018-10-26 20:01:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1226 transitions. [2018-10-26 20:01:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:01:14,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:01:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 972 states and 1228 transitions. [2018-10-26 20:01:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1228 transitions. [2018-10-26 20:01:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 20:01:14,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:01:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 980 states and 1237 transitions. [2018-10-26 20:01:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1237 transitions. [2018-10-26 20:01:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 20:01:15,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1007 states and 1267 transitions. [2018-10-26 20:01:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1267 transitions. [2018-10-26 20:01:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 20:01:15,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 20:01:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1008 states and 1267 transitions. [2018-10-26 20:01:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1267 transitions. [2018-10-26 20:01:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 20:01:16,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1075 states and 1345 transitions. [2018-10-26 20:01:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1345 transitions. [2018-10-26 20:01:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 20:01:20,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1111 states and 1384 transitions. [2018-10-26 20:01:21,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1384 transitions. [2018-10-26 20:01:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 20:01:21,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1112 states and 1384 transitions. [2018-10-26 20:01:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1384 transitions. [2018-10-26 20:01:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 20:01:21,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1116 states and 1387 transitions. [2018-10-26 20:01:21,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1387 transitions. [2018-10-26 20:01:21,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 20:01:21,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:01:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1118 states and 1389 transitions. [2018-10-26 20:01:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1389 transitions. [2018-10-26 20:01:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 20:01:22,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1120 states and 1391 transitions. [2018-10-26 20:01:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1391 transitions. [2018-10-26 20:01:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 20:01:22,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1122 states and 1393 transitions. [2018-10-26 20:01:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1393 transitions. [2018-10-26 20:01:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 20:01:22,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1130 states and 1401 transitions. [2018-10-26 20:01:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1401 transitions. [2018-10-26 20:01:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 20:01:22,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 20:01:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1139 states and 1411 transitions. [2018-10-26 20:01:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1411 transitions. [2018-10-26 20:01:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:01:23,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:25,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1189 states and 1463 transitions. [2018-10-26 20:01:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1463 transitions. [2018-10-26 20:01:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:01:25,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:01:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:29,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1248 states and 1530 transitions. [2018-10-26 20:01:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1530 transitions. [2018-10-26 20:01:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:01:29,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1283 states and 1580 transitions. [2018-10-26 20:01:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1580 transitions. [2018-10-26 20:01:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:01:30,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1291 states and 1586 transitions. [2018-10-26 20:01:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1586 transitions. [2018-10-26 20:01:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:01:30,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:01:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1293 states and 1589 transitions. [2018-10-26 20:01:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1589 transitions. [2018-10-26 20:01:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 20:01:30,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1297 states and 1600 transitions. [2018-10-26 20:01:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1600 transitions. [2018-10-26 20:01:31,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:01:31,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1320 states and 1625 transitions. [2018-10-26 20:01:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1625 transitions. [2018-10-26 20:01:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:01:32,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1327 states and 1636 transitions. [2018-10-26 20:01:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1636 transitions. [2018-10-26 20:01:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:01:32,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:01:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1364 states and 1681 transitions. [2018-10-26 20:01:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1681 transitions. [2018-10-26 20:01:34,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:01:34,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:01:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1379 states and 1698 transitions. [2018-10-26 20:01:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1698 transitions. [2018-10-26 20:01:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:01:35,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:01:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1392 states and 1712 transitions. [2018-10-26 20:01:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1712 transitions. [2018-10-26 20:01:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:01:36,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1394 states and 1715 transitions. [2018-10-26 20:01:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1715 transitions. [2018-10-26 20:01:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 20:01:36,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:01:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1419 states and 1745 transitions. [2018-10-26 20:01:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1745 transitions. [2018-10-26 20:01:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 20:01:38,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 20:01:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1422 states and 1747 transitions. [2018-10-26 20:01:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1747 transitions. [2018-10-26 20:01:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 20:01:38,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1437 states and 1764 transitions. [2018-10-26 20:01:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1764 transitions. [2018-10-26 20:01:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 20:01:38,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:38,998 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1446 states and 1774 transitions. [2018-10-26 20:01:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1774 transitions. [2018-10-26 20:01:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 20:01:39,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 20:01:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1503 states and 1831 transitions. [2018-10-26 20:01:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1831 transitions. [2018-10-26 20:01:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 20:01:43,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 20:01:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1513 states and 1843 transitions. [2018-10-26 20:01:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1843 transitions. [2018-10-26 20:01:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:01:44,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:01:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1573 states and 1904 transitions. [2018-10-26 20:01:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1904 transitions. [2018-10-26 20:01:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:01:47,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:01:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1586 states and 1916 transitions. [2018-10-26 20:01:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1916 transitions. [2018-10-26 20:01:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 20:01:49,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:01:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1596 states and 1925 transitions. [2018-10-26 20:01:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1925 transitions. [2018-10-26 20:01:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 20:01:50,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:01:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1624 states and 1955 transitions. [2018-10-26 20:01:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1955 transitions. [2018-10-26 20:01:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 20:01:50,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 20:01:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1656 states and 1991 transitions. [2018-10-26 20:01:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1991 transitions. [2018-10-26 20:01:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 20:01:51,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 20:01:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1667 states and 2000 transitions. [2018-10-26 20:01:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2000 transitions. [2018-10-26 20:01:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:51,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 1692 states and 2033 transitions. [2018-10-26 20:01:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2033 transitions. [2018-10-26 20:01:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:52,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:53,150 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 22 [2018-10-26 20:01:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1714 states and 2055 transitions. [2018-10-26 20:01:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2055 transitions. [2018-10-26 20:01:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:54,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1737 states and 2083 transitions. [2018-10-26 20:01:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2083 transitions. [2018-10-26 20:01:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:56,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:56,165 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1739 states and 2085 transitions. [2018-10-26 20:01:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2085 transitions. [2018-10-26 20:01:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:56,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1754 states and 2101 transitions. [2018-10-26 20:01:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2101 transitions. [2018-10-26 20:01:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:57,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1765 states and 2111 transitions. [2018-10-26 20:01:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2111 transitions. [2018-10-26 20:01:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:57,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1774 states and 2121 transitions. [2018-10-26 20:01:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2121 transitions. [2018-10-26 20:01:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 20:01:58,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:01:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1776 states and 2124 transitions. [2018-10-26 20:01:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2124 transitions. [2018-10-26 20:01:58,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:01:58,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:01:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:01:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1793 states and 2147 transitions. [2018-10-26 20:01:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2147 transitions. [2018-10-26 20:01:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:01:59,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:01:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:01:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:02:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1803 states and 2157 transitions. [2018-10-26 20:02:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2157 transitions. [2018-10-26 20:02:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:02:00,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:02:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1804 states and 2157 transitions. [2018-10-26 20:02:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2157 transitions. [2018-10-26 20:02:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:02:00,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:02:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1818 states and 2170 transitions. [2018-10-26 20:02:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2170 transitions. [2018-10-26 20:02:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:02:00,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:02:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1819 states and 2170 transitions. [2018-10-26 20:02:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2170 transitions. [2018-10-26 20:02:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 20:02:01,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 20:02:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1841 states and 2189 transitions. [2018-10-26 20:02:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2189 transitions. [2018-10-26 20:02:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 20:02:01,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 20:02:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1847 states and 2195 transitions. [2018-10-26 20:02:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2195 transitions. [2018-10-26 20:02:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 20:02:02,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:02:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1853 states and 2200 transitions. [2018-10-26 20:02:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2200 transitions. [2018-10-26 20:02:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 20:02:02,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:02:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1859 states and 2205 transitions. [2018-10-26 20:02:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2205 transitions. [2018-10-26 20:02:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 20:02:02,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 20:02:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1875 states and 2223 transitions. [2018-10-26 20:02:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2223 transitions. [2018-10-26 20:02:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 20:02:02,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:02:03,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1882 states and 2231 transitions. [2018-10-26 20:02:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2231 transitions. [2018-10-26 20:02:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 20:02:03,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:02:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1888 states and 2239 transitions. [2018-10-26 20:02:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2239 transitions. [2018-10-26 20:02:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 20:02:03,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-26 20:02:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1896 states and 2247 transitions. [2018-10-26 20:02:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2247 transitions. [2018-10-26 20:02:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 20:02:04,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-26 20:02:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1898 states and 2248 transitions. [2018-10-26 20:02:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2248 transitions. [2018-10-26 20:02:04,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 20:02:04,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:02:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1957 states and 2318 transitions. [2018-10-26 20:02:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2318 transitions. [2018-10-26 20:02:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 20:02:06,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:02:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1991 states and 2352 transitions. [2018-10-26 20:02:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2352 transitions. [2018-10-26 20:02:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 20:02:06,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:02:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2005 states and 2367 transitions. [2018-10-26 20:02:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2367 transitions. [2018-10-26 20:02:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 20:02:07,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:02:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2055 states and 2418 transitions. [2018-10-26 20:02:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2418 transitions. [2018-10-26 20:02:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 20:02:09,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 20:02:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 2062 states and 2425 transitions. [2018-10-26 20:02:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2425 transitions. [2018-10-26 20:02:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 20:02:09,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 20:02:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2076 states and 2438 transitions. [2018-10-26 20:02:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2438 transitions. [2018-10-26 20:02:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 20:02:09,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 20:02:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2091 states and 2455 transitions. [2018-10-26 20:02:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2455 transitions. [2018-10-26 20:02:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 20:02:10,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 20:02:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2099 states and 2462 transitions. [2018-10-26 20:02:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2462 transitions. [2018-10-26 20:02:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 20:02:10,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:02:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2101 states and 2463 transitions. [2018-10-26 20:02:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2463 transitions. [2018-10-26 20:02:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 20:02:11,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:02:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2103 states and 2464 transitions. [2018-10-26 20:02:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2464 transitions. [2018-10-26 20:02:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 20:02:11,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-26 20:02:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2127 states and 2488 transitions. [2018-10-26 20:02:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2488 transitions. [2018-10-26 20:02:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 20:02:11,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-10-26 20:02:12,804 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-26 20:02:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2292 states and 2664 transitions. [2018-10-26 20:02:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2664 transitions. [2018-10-26 20:02:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-26 20:02:16,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:02:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:02:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2018-10-26 20:02:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:02:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2226 states and 2586 transitions. [2018-10-26 20:02:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2586 transitions. [2018-10-26 20:02:18,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:02:18,290 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 136 iterations. [2018-10-26 20:02:18,299 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:02:18,490 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-10-26 20:02:18,779 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 7 [2018-10-26 20:02:18,905 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 7 [2018-10-26 20:02:20,351 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-10-26 20:02:21,344 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 42 [2018-10-26 20:02:21,482 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 7 [2018-10-26 20:02:22,898 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-10-26 20:02:23,533 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2018-10-26 20:02:23,678 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:02:23,680 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:02:23,686 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:02:23,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:02:23 ImpRootNode [2018-10-26 20:02:23,687 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:02:23,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:02:23,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:02:23,687 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:02:23,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:00:30" (3/4) ... [2018-10-26 20:02:23,691 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:02:23,708 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-10-26 20:02:23,709 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 20:02:23,710 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 20:02:23,711 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:02:23,812 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fb69331c-69c9-4c32-9a2a-2c9f0f2453d3/bin-2019/ukojak/witness.graphml [2018-10-26 20:02:23,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:02:23,813 INFO L168 Benchmark]: Toolchain (without parser) took 118572.61 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 959.1 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 466.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,814 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:02:23,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.40 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 929.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.75 ms. Allocated memory is still 1.0 GB. Free memory was 929.6 MB in the beginning and 924.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,815 INFO L168 Benchmark]: Boogie Preprocessor took 165.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -225.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,815 INFO L168 Benchmark]: RCFGBuilder took 4468.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.9 MB in the end (delta: 237.0 MB). Peak memory consumption was 237.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,816 INFO L168 Benchmark]: CodeCheck took 113265.56 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 912.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,816 INFO L168 Benchmark]: Witness Printer took 125.45 ms. Allocated memory is still 2.8 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 5.0 kB). Peak memory consumption was 5.0 kB. Max. memory is 11.5 GB. [2018-10-26 20:02:23,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 107.8s OverallTime, 136 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4718624 SDtfs, 1426939340 SDslu, 31457548 SDs, 0 SdLazy, 1002699486 SolverSat, 571311126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 758.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144798 GetRequests, 142930 SyntacticMatches, 758 SemanticMatches, 1110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805738 ImplicationChecksByTransitivity, 89.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 20756 NumberOfCodeBlocks, 20756 NumberOfCodeBlocksAsserted, 135 NumberOfCheckSat, 20621 ConstructedInterpolants, 0 QuantifiedInterpolants, 8045474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 135 InterpolantComputations, 125 PerfectInterpolantSequences, 13956/14017 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: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: a17 == 8 || !(a28 == 8) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: a17 == 8 || !(a28 == 8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.40 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 929.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.75 ms. Allocated memory is still 1.0 GB. Free memory was 929.6 MB in the beginning and 924.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 165.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -225.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4468.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.9 MB in the end (delta: 237.0 MB). Peak memory consumption was 237.0 MB. Max. memory is 11.5 GB. * CodeCheck took 113265.56 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 912.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 125.45 ms. Allocated memory is still 2.8 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 5.0 kB). Peak memory consumption was 5.0 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...