./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 936e1fac1e718929285e646469efe9b1619e10b2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:42:23,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:42:23,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:42:23,662 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:42:23,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:42:23,663 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:42:23,664 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:42:23,665 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:42:23,666 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:42:23,667 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:42:23,667 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:42:23,667 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:42:23,668 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:42:23,669 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:42:23,670 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:42:23,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:42:23,671 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:42:23,672 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:42:23,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:42:23,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:42:23,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:42:23,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:42:23,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:42:23,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:42:23,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:42:23,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:42:23,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:42:23,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:42:23,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:42:23,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:42:23,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:42:23,682 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:42:23,682 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:42:23,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:42:23,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:42:23,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:42:23,683 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:42:23,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:42:23,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:42:23,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:42:23,694 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:42:23,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:42:23,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:42:23,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:42:23,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:42:23,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:42:23,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:42:23,697 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:42:23,697 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:42:23,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:42:23,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:42:23,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:42:23,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:42:23,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:42:23,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:42:23,698 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:42:23,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:42:23,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:42:23,698 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_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-11-10 10:42:23,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:42:23,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:42:23,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:42:23,733 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:42:23,734 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:42:23,734 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-10 10:42:23,776 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/data/af670fa1b/925334f0c8ef46c38c3c2b3d509d717a/FLAG5bdc3492d [2018-11-10 10:42:24,214 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:42:24,215 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-10 10:42:24,224 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/data/af670fa1b/925334f0c8ef46c38c3c2b3d509d717a/FLAG5bdc3492d [2018-11-10 10:42:24,235 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/data/af670fa1b/925334f0c8ef46c38c3c2b3d509d717a [2018-11-10 10:42:24,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:42:24,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:42:24,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:42:24,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:42:24,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:42:24,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24, skipping insertion in model container [2018-11-10 10:42:24,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:42:24,280 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:42:24,497 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:42:24,501 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:42:24,564 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:42:24,577 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:42:24,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24 WrapperNode [2018-11-10 10:42:24,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:42:24,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:42:24,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:42:24,578 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:42:24,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:42:24,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:42:24,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:42:24,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:42:24,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... [2018-11-10 10:42:24,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:42:24,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:42:24,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:42:24,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:42:24,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:42:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:42:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:42:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:42:26,002 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:42:26,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:42:26 BoogieIcfgContainer [2018-11-10 10:42:26,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:42:26,003 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:42:26,003 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:42:26,010 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:42:26,010 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:42:26" (1/1) ... [2018-11-10 10:42:26,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:42:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 10:42:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 10:42:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:42:26,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-10 10:42:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-10 10:42:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 10:42:26,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:42:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-10 10:42:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-10 10:42:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 10:42:26,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-10 10:42:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-10 10:42:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 10:42:26,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 225 states and 307 transitions. [2018-11-10 10:42:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2018-11-10 10:42:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 10:42:27,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 233 states and 319 transitions. [2018-11-10 10:42:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2018-11-10 10:42:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:42:27,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2018-11-10 10:42:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2018-11-10 10:42:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:42:27,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 248 states and 342 transitions. [2018-11-10 10:42:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 342 transitions. [2018-11-10 10:42:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:42:28,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 253 states and 347 transitions. [2018-11-10 10:42:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 347 transitions. [2018-11-10 10:42:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 10:42:28,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 262 states and 358 transitions. [2018-11-10 10:42:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2018-11-10 10:42:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 10:42:28,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:42:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 269 states and 366 transitions. [2018-11-10 10:42:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 366 transitions. [2018-11-10 10:42:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 10:42:28,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 272 states and 370 transitions. [2018-11-10 10:42:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2018-11-10 10:42:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 10:42:28,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2018-11-10 10:42:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2018-11-10 10:42:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 10:42:28,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 278 states and 376 transitions. [2018-11-10 10:42:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 376 transitions. [2018-11-10 10:42:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 10:42:28,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 293 states and 398 transitions. [2018-11-10 10:42:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 398 transitions. [2018-11-10 10:42:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:42:29,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 317 states and 431 transitions. [2018-11-10 10:42:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 431 transitions. [2018-11-10 10:42:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:42:30,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 321 states and 435 transitions. [2018-11-10 10:42:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 435 transitions. [2018-11-10 10:42:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:42:30,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 323 states and 436 transitions. [2018-11-10 10:42:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 436 transitions. [2018-11-10 10:42:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 10:42:30,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:42:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 324 states and 438 transitions. [2018-11-10 10:42:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 438 transitions. [2018-11-10 10:42:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:42:30,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:42:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 326 states and 440 transitions. [2018-11-10 10:42:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2018-11-10 10:42:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 10:42:30,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:42:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 337 states and 453 transitions. [2018-11-10 10:42:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 453 transitions. [2018-11-10 10:42:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 10:42:31,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:42:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 340 states and 456 transitions. [2018-11-10 10:42:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 456 transitions. [2018-11-10 10:42:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:42:31,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:42:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-11-10 10:42:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-11-10 10:42:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:42:31,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:42:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 351 states and 469 transitions. [2018-11-10 10:42:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 469 transitions. [2018-11-10 10:42:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:42:32,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 376 states and 499 transitions. [2018-11-10 10:42:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 499 transitions. [2018-11-10 10:42:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 10:42:32,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 391 states and 518 transitions. [2018-11-10 10:42:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 518 transitions. [2018-11-10 10:42:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 10:42:33,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:34,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:34,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2018-11-10 10:42:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2018-11-10 10:42:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 10:42:34,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:35,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 431 states and 568 transitions. [2018-11-10 10:42:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 568 transitions. [2018-11-10 10:42:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:42:35,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:42:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 434 states and 573 transitions. [2018-11-10 10:42:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 573 transitions. [2018-11-10 10:42:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:42:35,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:42:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 448 states and 588 transitions. [2018-11-10 10:42:36,152 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 588 transitions. [2018-11-10 10:42:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:42:36,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:42:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 454 states and 595 transitions. [2018-11-10 10:42:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 595 transitions. [2018-11-10 10:42:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 10:42:36,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:42:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 455 states and 596 transitions. [2018-11-10 10:42:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 596 transitions. [2018-11-10 10:42:36,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 10:42:36,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:42:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 458 states and 600 transitions. [2018-11-10 10:42:36,650 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2018-11-10 10:42:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:42:36,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 465 states and 610 transitions. [2018-11-10 10:42:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 610 transitions. [2018-11-10 10:42:37,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:42:37,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 474 states and 619 transitions. [2018-11-10 10:42:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 619 transitions. [2018-11-10 10:42:37,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 10:42:37,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 475 states and 620 transitions. [2018-11-10 10:42:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 620 transitions. [2018-11-10 10:42:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 10:42:37,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 524 states and 676 transitions. [2018-11-10 10:42:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 676 transitions. [2018-11-10 10:42:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:42:39,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:42:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 534 states and 694 transitions. [2018-11-10 10:42:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 694 transitions. [2018-11-10 10:42:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:42:39,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 583 states and 747 transitions. [2018-11-10 10:42:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 747 transitions. [2018-11-10 10:42:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:42:41,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:42,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 600 states and 766 transitions. [2018-11-10 10:42:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 766 transitions. [2018-11-10 10:42:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:42:42,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 605 states and 774 transitions. [2018-11-10 10:42:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 774 transitions. [2018-11-10 10:42:42,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 10:42:42,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 655 states and 831 transitions. [2018-11-10 10:42:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 831 transitions. [2018-11-10 10:42:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 10:42:43,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:42:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 665 states and 850 transitions. [2018-11-10 10:42:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 850 transitions. [2018-11-10 10:42:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:42:44,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:42:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 715 states and 907 transitions. [2018-11-10 10:42:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 907 transitions. [2018-11-10 10:42:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:42:46,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:42:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 746 states and 947 transitions. [2018-11-10 10:42:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 947 transitions. [2018-11-10 10:42:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 10:42:48,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 10:42:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 750 states and 950 transitions. [2018-11-10 10:42:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 950 transitions. [2018-11-10 10:42:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 10:42:49,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 767 states and 968 transitions. [2018-11-10 10:42:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 968 transitions. [2018-11-10 10:42:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:42:49,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:42:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 769 states and 970 transitions. [2018-11-10 10:42:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 970 transitions. [2018-11-10 10:42:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:42:49,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 795 states and 1008 transitions. [2018-11-10 10:42:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1008 transitions. [2018-11-10 10:42:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:42:51,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:42:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 796 states and 1009 transitions. [2018-11-10 10:42:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1009 transitions. [2018-11-10 10:42:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:42:51,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 810 states and 1027 transitions. [2018-11-10 10:42:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1027 transitions. [2018-11-10 10:42:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:42:52,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 818 states and 1037 transitions. [2018-11-10 10:42:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1037 transitions. [2018-11-10 10:42:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:42:53,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 827 states and 1046 transitions. [2018-11-10 10:42:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1046 transitions. [2018-11-10 10:42:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:42:53,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 832 states and 1051 transitions. [2018-11-10 10:42:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1051 transitions. [2018-11-10 10:42:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 10:42:54,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:42:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 857 states and 1078 transitions. [2018-11-10 10:42:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1078 transitions. [2018-11-10 10:42:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 10:42:55,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 10:42:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 858 states and 1079 transitions. [2018-11-10 10:42:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1079 transitions. [2018-11-10 10:42:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 10:42:55,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 10:42:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 859 states and 1079 transitions. [2018-11-10 10:42:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1079 transitions. [2018-11-10 10:42:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 10:42:55,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:42:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 866 states and 1088 transitions. [2018-11-10 10:42:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1088 transitions. [2018-11-10 10:42:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 10:42:56,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:42:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 868 states and 1089 transitions. [2018-11-10 10:42:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1089 transitions. [2018-11-10 10:42:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 10:42:56,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 10:42:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:42:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 878 states and 1105 transitions. [2018-11-10 10:42:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1105 transitions. [2018-11-10 10:42:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 10:42:57,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:42:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:42:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:43:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 948 states and 1185 transitions. [2018-11-10 10:43:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1185 transitions. [2018-11-10 10:43:00,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 10:43:00,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:43:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 949 states and 1187 transitions. [2018-11-10 10:43:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1187 transitions. [2018-11-10 10:43:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:43:00,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:02,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 969 states and 1214 transitions. [2018-11-10 10:43:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1214 transitions. [2018-11-10 10:43:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:43:02,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 10:43:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1027 states and 1275 transitions. [2018-11-10 10:43:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1275 transitions. [2018-11-10 10:43:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:43:03,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 10:43:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1028 states and 1275 transitions. [2018-11-10 10:43:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1275 transitions. [2018-11-10 10:43:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 10:43:03,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:43:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1095 states and 1350 transitions. [2018-11-10 10:43:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1350 transitions. [2018-11-10 10:43:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 10:43:05,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:43:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1100 states and 1355 transitions. [2018-11-10 10:43:05,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1355 transitions. [2018-11-10 10:43:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 10:43:05,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:43:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1129 states and 1403 transitions. [2018-11-10 10:43:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1403 transitions. [2018-11-10 10:43:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 10:43:07,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 10:43:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1153 states and 1431 transitions. [2018-11-10 10:43:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1431 transitions. [2018-11-10 10:43:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 10:43:08,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:43:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1154 states and 1432 transitions. [2018-11-10 10:43:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1432 transitions. [2018-11-10 10:43:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 10:43:08,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:43:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1175 states and 1458 transitions. [2018-11-10 10:43:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1458 transitions. [2018-11-10 10:43:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 10:43:09,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:43:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1181 states and 1466 transitions. [2018-11-10 10:43:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1466 transitions. [2018-11-10 10:43:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:43:09,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1204 states and 1493 transitions. [2018-11-10 10:43:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1493 transitions. [2018-11-10 10:43:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:43:12,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1215 states and 1504 transitions. [2018-11-10 10:43:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1504 transitions. [2018-11-10 10:43:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:43:13,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1220 states and 1509 transitions. [2018-11-10 10:43:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1509 transitions. [2018-11-10 10:43:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:43:13,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1221 states and 1510 transitions. [2018-11-10 10:43:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1510 transitions. [2018-11-10 10:43:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:43:14,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 10:43:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1239 states and 1534 transitions. [2018-11-10 10:43:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1534 transitions. [2018-11-10 10:43:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 10:43:16,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 10:43:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1329 states and 1628 transitions. [2018-11-10 10:43:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1628 transitions. [2018-11-10 10:43:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:43:17,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:43:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1403 states and 1710 transitions. [2018-11-10 10:43:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1710 transitions. [2018-11-10 10:43:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:43:19,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:43:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1404 states and 1710 transitions. [2018-11-10 10:43:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1710 transitions. [2018-11-10 10:43:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:43:20,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:20,232 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:43:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1418 states and 1727 transitions. [2018-11-10 10:43:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1727 transitions. [2018-11-10 10:43:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:43:20,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:43:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1463 states and 1774 transitions. [2018-11-10 10:43:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1774 transitions. [2018-11-10 10:43:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:43:24,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:43:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1466 states and 1778 transitions. [2018-11-10 10:43:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1778 transitions. [2018-11-10 10:43:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:43:25,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:43:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1483 states and 1799 transitions. [2018-11-10 10:43:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1799 transitions. [2018-11-10 10:43:26,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 10:43:26,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 10:43:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1554 states and 1873 transitions. [2018-11-10 10:43:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1873 transitions. [2018-11-10 10:43:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 10:43:26,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 10:43:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1558 states and 1876 transitions. [2018-11-10 10:43:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1876 transitions. [2018-11-10 10:43:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 10:43:27,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-10 10:43:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1559 states and 1877 transitions. [2018-11-10 10:43:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1877 transitions. [2018-11-10 10:43:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 10:43:27,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:43:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-10 10:43:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:43:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1485 states and 1800 transitions. [2018-11-10 10:43:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1800 transitions. [2018-11-10 10:43:27,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:43:27,827 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2018-11-10 10:43:27,834 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:43:29,017 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-11-10 10:43:31,313 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 44 [2018-11-10 10:43:31,569 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2018-11-10 10:43:31,871 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-11-10 10:43:31,933 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:43:31,935 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 10:43:31,940 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 10:43:31,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:43:31 ImpRootNode [2018-11-10 10:43:31,941 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:43:31,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:43:31,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:43:31,942 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:43:31,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:42:26" (3/4) ... [2018-11-10 10:43:31,947 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:43:31,960 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 10:43:31,961 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 10:43:31,961 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 10:43:31,963 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:43:32,045 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6a176f33-36c6-47d8-85c5-ff0ec6f4384f/bin-2019/ukojak/witness.graphml [2018-11-10 10:43:32,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:43:32,046 INFO L168 Benchmark]: Toolchain (without parser) took 67807.45 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 952.3 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 257.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:32,046 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:43:32,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.22 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 919.0 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:32,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:32,047 INFO L168 Benchmark]: Boogie Preprocessor took 41.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:32,047 INFO L168 Benchmark]: RCFGBuilder took 1283.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 855.5 MB in the end (delta: 242.9 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:32,047 INFO L168 Benchmark]: CodeCheck took 65937.88 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 855.5 MB in the beginning and 2.5 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-10 10:43:32,047 INFO L168 Benchmark]: Witness Printer took 103.67 ms. Allocated memory is still 2.9 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:43:32,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 61.7s OverallTime, 88 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1623594592 SDtfs, 565805720 SDslu, -1431258368 SDs, 0 SdLazy, 416404712 SolverSat, 943689968 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 167.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80315 GetRequests, 77733 SyntacticMatches, 1658 SemanticMatches, 924 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567970 ImplicationChecksByTransitivity, 51.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 12119 NumberOfCodeBlocks, 12119 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 12032 ConstructedInterpolants, 0 QuantifiedInterpolants, 8233313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 71 PerfectInterpolantSequences, 8432/8622 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a8 == 15 || a7 == 1) || !(a17 == 1)) || a20 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || a7 == 1) || !(a17 == 1)) || a20 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.22 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 919.0 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1283.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 855.5 MB in the end (delta: 242.9 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. * CodeCheck took 65937.88 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 855.5 MB in the beginning and 2.5 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 103.67 ms. Allocated memory is still 2.9 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...