./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_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_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:00:30,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:00:30,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:00:30,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:00:30,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:00:30,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:00:30,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:00:30,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:00:30,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:00:30,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:00:30,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:00:30,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:00:30,017 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:00:30,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:00:30,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:00:30,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:00:30,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:00:30,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:00:30,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:00:30,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:00:30,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:00:30,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:00:30,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:00:30,026 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:00:30,026 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:00:30,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:00:30,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:00:30,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:00:30,029 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:00:30,030 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:00:30,030 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:00:30,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:00:30,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:00:30,031 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:00:30,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:00:30,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:00:30,032 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:00:30,042 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:00:30,042 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:00:30,043 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:00:30,043 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:00:30,044 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:00:30,044 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:00:30,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:00:30,044 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:00:30,044 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:00:30,044 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:00:30,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:00:30,045 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:00:30,045 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:00:30,046 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:00:30,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:00:30,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:00:30,046 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_4094e6d8-148a-4535-9b00-4bfe656937c0/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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2018-11-10 12:00:30,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:00:30,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:00:30,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:00:30,083 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:00:30,083 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:00:30,084 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-11-10 12:00:30,119 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/data/dc07a4716/e97f001dfd95422aad0dbddbff77fc7f/FLAG61171dfd6 [2018-11-10 12:00:30,577 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:00:30,578 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-11-10 12:00:30,587 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/data/dc07a4716/e97f001dfd95422aad0dbddbff77fc7f/FLAG61171dfd6 [2018-11-10 12:00:30,604 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/data/dc07a4716/e97f001dfd95422aad0dbddbff77fc7f [2018-11-10 12:00:30,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:00:30,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:00:30,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:30,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:00:30,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:00:30,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:30,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2171e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30, skipping insertion in model container [2018-11-10 12:00:30,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:30,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:00:30,651 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:00:30,850 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:30,854 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:00:30,917 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:00:30,929 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:00:30,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30 WrapperNode [2018-11-10 12:00:30,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:00:30,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:30,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:00:30,931 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:00:30,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:30,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:00:31,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:00:31,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:00:31,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:00:31,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... [2018-11-10 12:00:31,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:00:31,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:00:31,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:00:31,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:00:31,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:00:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/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 12:00:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:00:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:00:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:00:32,533 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:00:32,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:32 BoogieIcfgContainer [2018-11-10 12:00:32,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:00:32,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:00:32,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:00:32,542 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:00:32,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:32" (1/1) ... [2018-11-10 12:00:32,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 12:00:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 12:00:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 12:00:32,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:32,840 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 12:00:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 165 states and 278 transitions. [2018-11-10 12:00:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 278 transitions. [2018-11-10 12:00:33,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 12:00:33,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 245 states and 362 transitions. [2018-11-10 12:00:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 362 transitions. [2018-11-10 12:00:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 12:00:33,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 329 states and 457 transitions. [2018-11-10 12:00:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 457 transitions. [2018-11-10 12:00:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 12:00:34,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 408 states and 542 transitions. [2018-11-10 12:00:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 542 transitions. [2018-11-10 12:00:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 12:00:36,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:36,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 419 states and 555 transitions. [2018-11-10 12:00:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 555 transitions. [2018-11-10 12:00:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 12:00:36,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 430 states and 568 transitions. [2018-11-10 12:00:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 568 transitions. [2018-11-10 12:00:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 12:00:36,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 434 states and 572 transitions. [2018-11-10 12:00:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 572 transitions. [2018-11-10 12:00:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 12:00:36,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 440 states and 583 transitions. [2018-11-10 12:00:36,891 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 583 transitions. [2018-11-10 12:00:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 12:00:36,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 444 states and 588 transitions. [2018-11-10 12:00:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 588 transitions. [2018-11-10 12:00:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 12:00:37,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 457 states and 601 transitions. [2018-11-10 12:00:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 601 transitions. [2018-11-10 12:00:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 12:00:37,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 536 states and 694 transitions. [2018-11-10 12:00:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 694 transitions. [2018-11-10 12:00:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 12:00:38,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 549 states and 707 transitions. [2018-11-10 12:00:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 707 transitions. [2018-11-10 12:00:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 12:00:38,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 577 states and 740 transitions. [2018-11-10 12:00:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 740 transitions. [2018-11-10 12:00:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 12:00:39,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 614 states and 789 transitions. [2018-11-10 12:00:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 789 transitions. [2018-11-10 12:00:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 12:00:40,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 620 states and 797 transitions. [2018-11-10 12:00:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 797 transitions. [2018-11-10 12:00:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 12:00:40,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 625 states and 803 transitions. [2018-11-10 12:00:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 803 transitions. [2018-11-10 12:00:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 12:00:40,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:00:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 632 states and 818 transitions. [2018-11-10 12:00:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 818 transitions. [2018-11-10 12:00:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 12:00:41,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 652 states and 841 transitions. [2018-11-10 12:00:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 841 transitions. [2018-11-10 12:00:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 12:00:41,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:41,502 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 12:00:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 653 states and 842 transitions. [2018-11-10 12:00:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 842 transitions. [2018-11-10 12:00:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 12:00:41,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 695 states and 888 transitions. [2018-11-10 12:00:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 888 transitions. [2018-11-10 12:00:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 12:00:42,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 12:00:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 709 states and 906 transitions. [2018-11-10 12:00:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 906 transitions. [2018-11-10 12:00:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 12:00:42,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 12:00:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 710 states and 906 transitions. [2018-11-10 12:00:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 906 transitions. [2018-11-10 12:00:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 12:00:43,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 757 states and 959 transitions. [2018-11-10 12:00:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 959 transitions. [2018-11-10 12:00:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 12:00:44,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 758 states and 960 transitions. [2018-11-10 12:00:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 960 transitions. [2018-11-10 12:00:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 12:00:44,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:00:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 772 states and 974 transitions. [2018-11-10 12:00:45,011 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 974 transitions. [2018-11-10 12:00:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 12:00:45,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 781 states and 984 transitions. [2018-11-10 12:00:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 984 transitions. [2018-11-10 12:00:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 12:00:45,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 782 states and 984 transitions. [2018-11-10 12:00:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 984 transitions. [2018-11-10 12:00:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 12:00:45,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:45,731 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 12:00:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 793 states and 998 transitions. [2018-11-10 12:00:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 998 transitions. [2018-11-10 12:00:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 12:00:46,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:00:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 798 states and 1005 transitions. [2018-11-10 12:00:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1005 transitions. [2018-11-10 12:00:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 12:00:46,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:00:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 822 states and 1030 transitions. [2018-11-10 12:00:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1030 transitions. [2018-11-10 12:00:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 12:00:46,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 826 states and 1036 transitions. [2018-11-10 12:00:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1036 transitions. [2018-11-10 12:00:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 12:00:46,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 863 states and 1079 transitions. [2018-11-10 12:00:47,982 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1079 transitions. [2018-11-10 12:00:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 12:00:47,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 864 states and 1079 transitions. [2018-11-10 12:00:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1079 transitions. [2018-11-10 12:00:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 12:00:48,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 904 states and 1122 transitions. [2018-11-10 12:00:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1122 transitions. [2018-11-10 12:00:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 12:00:49,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 905 states and 1122 transitions. [2018-11-10 12:00:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1122 transitions. [2018-11-10 12:00:49,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 12:00:49,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 972 states and 1197 transitions. [2018-11-10 12:00:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1197 transitions. [2018-11-10 12:00:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:00:50,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 973 states and 1199 transitions. [2018-11-10 12:00:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1199 transitions. [2018-11-10 12:00:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:00:50,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 977 states and 1203 transitions. [2018-11-10 12:00:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1203 transitions. [2018-11-10 12:00:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 12:00:51,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 12:00:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 978 states and 1205 transitions. [2018-11-10 12:00:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1205 transitions. [2018-11-10 12:00:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 12:00:51,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 12:00:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 983 states and 1210 transitions. [2018-11-10 12:00:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1210 transitions. [2018-11-10 12:00:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 12:00:51,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1036 states and 1270 transitions. [2018-11-10 12:00:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1270 transitions. [2018-11-10 12:00:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 12:00:53,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:53,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1041 states and 1276 transitions. [2018-11-10 12:00:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1276 transitions. [2018-11-10 12:00:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 12:00:53,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:53,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:53,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1061 states and 1298 transitions. [2018-11-10 12:00:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1298 transitions. [2018-11-10 12:00:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:00:53,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1081 states and 1321 transitions. [2018-11-10 12:00:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1321 transitions. [2018-11-10 12:00:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:00:54,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1095 states and 1338 transitions. [2018-11-10 12:00:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1338 transitions. [2018-11-10 12:00:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:00:55,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1105 states and 1349 transitions. [2018-11-10 12:00:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1349 transitions. [2018-11-10 12:00:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:00:55,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1106 states and 1349 transitions. [2018-11-10 12:00:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1349 transitions. [2018-11-10 12:00:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:00:55,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 12:00:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1112 states and 1366 transitions. [2018-11-10 12:00:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1366 transitions. [2018-11-10 12:00:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 12:00:56,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 12:00:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1131 states and 1389 transitions. [2018-11-10 12:00:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1389 transitions. [2018-11-10 12:00:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 12:00:56,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1132 states and 1391 transitions. [2018-11-10 12:00:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1391 transitions. [2018-11-10 12:00:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 12:00:56,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1143 states and 1401 transitions. [2018-11-10 12:00:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1401 transitions. [2018-11-10 12:00:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 12:00:57,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1179 states and 1446 transitions. [2018-11-10 12:00:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1446 transitions. [2018-11-10 12:00:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 12:00:58,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1190 states and 1457 transitions. [2018-11-10 12:00:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1457 transitions. [2018-11-10 12:00:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 12:00:58,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:00:59,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1236 states and 1506 transitions. [2018-11-10 12:00:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1506 transitions. [2018-11-10 12:00:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 12:00:59,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:00:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1257 states and 1527 transitions. [2018-11-10 12:00:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1527 transitions. [2018-11-10 12:00:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 12:00:59,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-10 12:00:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1263 states and 1541 transitions. [2018-11-10 12:00:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1541 transitions. [2018-11-10 12:00:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 12:00:59,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 108 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 12:01:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1284 states and 1576 transitions. [2018-11-10 12:01:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1576 transitions. [2018-11-10 12:01:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 12:01:00,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 108 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 12:01:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1290 states and 1586 transitions. [2018-11-10 12:01:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1586 transitions. [2018-11-10 12:01:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 12:01:01,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 108 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 12:01:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:01,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1294 states and 1592 transitions. [2018-11-10 12:01:01,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1592 transitions. [2018-11-10 12:01:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 12:01:01,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:01:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1303 states and 1602 transitions. [2018-11-10 12:01:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1602 transitions. [2018-11-10 12:01:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:01:01,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1304 states and 1603 transitions. [2018-11-10 12:01:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1603 transitions. [2018-11-10 12:01:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:01:01,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1308 states and 1607 transitions. [2018-11-10 12:01:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1607 transitions. [2018-11-10 12:01:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 12:01:02,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:01:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1390 states and 1690 transitions. [2018-11-10 12:01:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1690 transitions. [2018-11-10 12:01:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 12:01:04,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:01:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1417 states and 1718 transitions. [2018-11-10 12:01:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1718 transitions. [2018-11-10 12:01:04,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 12:01:04,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:01:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1418 states and 1719 transitions. [2018-11-10 12:01:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1719 transitions. [2018-11-10 12:01:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 12:01:05,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:01:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1422 states and 1723 transitions. [2018-11-10 12:01:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1723 transitions. [2018-11-10 12:01:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 12:01:05,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:05,476 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:01:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1440 states and 1743 transitions. [2018-11-10 12:01:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1743 transitions. [2018-11-10 12:01:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 12:01:05,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:01:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1444 states and 1747 transitions. [2018-11-10 12:01:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1747 transitions. [2018-11-10 12:01:06,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 12:01:06,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 12:01:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1449 states and 1752 transitions. [2018-11-10 12:01:06,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1752 transitions. [2018-11-10 12:01:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 12:01:06,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:01:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1474 states and 1779 transitions. [2018-11-10 12:01:07,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1779 transitions. [2018-11-10 12:01:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 12:01:07,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 171 proven. 11 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:01:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1480 states and 1786 transitions. [2018-11-10 12:01:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1786 transitions. [2018-11-10 12:01:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 12:01:08,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1484 states and 1791 transitions. [2018-11-10 12:01:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1791 transitions. [2018-11-10 12:01:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 12:01:08,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1489 states and 1797 transitions. [2018-11-10 12:01:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1797 transitions. [2018-11-10 12:01:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 12:01:09,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 12:01:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1501 states and 1808 transitions. [2018-11-10 12:01:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1808 transitions. [2018-11-10 12:01:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 12:01:09,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 12:01:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:10,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1642 states and 1955 transitions. [2018-11-10 12:01:10,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1955 transitions. [2018-11-10 12:01:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 12:01:10,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:01:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1649 states and 1964 transitions. [2018-11-10 12:01:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1964 transitions. [2018-11-10 12:01:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 12:01:10,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:01:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1653 states and 1968 transitions. [2018-11-10 12:01:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1968 transitions. [2018-11-10 12:01:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 12:01:11,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:01:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 1753 states and 2069 transitions. [2018-11-10 12:01:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2069 transitions. [2018-11-10 12:01:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-10 12:01:14,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:01:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 1782 states and 2104 transitions. [2018-11-10 12:01:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2104 transitions. [2018-11-10 12:01:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-10 12:01:16,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:01:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1810 states and 2135 transitions. [2018-11-10 12:01:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2135 transitions. [2018-11-10 12:01:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 12:01:16,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 12:01:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1811 states and 2135 transitions. [2018-11-10 12:01:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2135 transitions. [2018-11-10 12:01:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 12:01:17,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 12:01:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1845 states and 2173 transitions. [2018-11-10 12:01:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2173 transitions. [2018-11-10 12:01:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 12:01:17,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 12:01:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1889 states and 2219 transitions. [2018-11-10 12:01:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2219 transitions. [2018-11-10 12:01:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 12:01:18,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 12:01:18,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1891 states and 2221 transitions. [2018-11-10 12:01:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2221 transitions. [2018-11-10 12:01:18,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 12:01:18,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 12:01:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1901 states and 2233 transitions. [2018-11-10 12:01:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2233 transitions. [2018-11-10 12:01:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 12:01:19,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 12:01:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1903 states and 2236 transitions. [2018-11-10 12:01:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2236 transitions. [2018-11-10 12:01:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-10 12:01:19,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 12:01:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1998 states and 2332 transitions. [2018-11-10 12:01:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2332 transitions. [2018-11-10 12:01:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-10 12:01:22,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:22,505 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 12:01:24,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2037 states and 2377 transitions. [2018-11-10 12:01:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2377 transitions. [2018-11-10 12:01:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-10 12:01:24,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 12:01:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2056 states and 2396 transitions. [2018-11-10 12:01:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2396 transitions. [2018-11-10 12:01:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 12:01:25,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 12:01:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2059 states and 2398 transitions. [2018-11-10 12:01:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2398 transitions. [2018-11-10 12:01:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 12:01:25,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:01:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2072 states and 2412 transitions. [2018-11-10 12:01:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2412 transitions. [2018-11-10 12:01:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 12:01:25,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:01:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2077 states and 2420 transitions. [2018-11-10 12:01:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2420 transitions. [2018-11-10 12:01:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 12:01:26,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:01:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:26,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2078 states and 2420 transitions. [2018-11-10 12:01:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2420 transitions. [2018-11-10 12:01:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 12:01:26,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-10 12:01:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2091 states and 2436 transitions. [2018-11-10 12:01:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2436 transitions. [2018-11-10 12:01:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-10 12:01:27,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-10 12:01:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2115 states and 2461 transitions. [2018-11-10 12:01:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2461 transitions. [2018-11-10 12:01:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-10 12:01:28,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 12:01:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:28,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2130 states and 2476 transitions. [2018-11-10 12:01:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2476 transitions. [2018-11-10 12:01:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 12:01:28,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 12:01:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2137 states and 2483 transitions. [2018-11-10 12:01:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2483 transitions. [2018-11-10 12:01:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 12:01:28,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:01:29,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2142 states and 2494 transitions. [2018-11-10 12:01:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2494 transitions. [2018-11-10 12:01:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 12:01:29,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:01:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:30,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2147 states and 2501 transitions. [2018-11-10 12:01:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2501 transitions. [2018-11-10 12:01:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 12:01:30,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:01:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2240 states and 2595 transitions. [2018-11-10 12:01:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2595 transitions. [2018-11-10 12:01:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 12:01:34,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-10 12:01:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:37,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2370 states and 2735 transitions. [2018-11-10 12:01:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2735 transitions. [2018-11-10 12:01:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 12:01:37,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-11-10 12:01:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2375 states and 2740 transitions. [2018-11-10 12:01:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2740 transitions. [2018-11-10 12:01:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 12:01:37,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 172 proven. 5 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 12:01:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2410 states and 2782 transitions. [2018-11-10 12:01:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2782 transitions. [2018-11-10 12:01:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-10 12:01:40,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-11-10 12:01:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2490 states and 2860 transitions. [2018-11-10 12:01:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2860 transitions. [2018-11-10 12:01:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-10 12:01:42,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 290 proven. 5 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-10 12:01:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:43,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2495 states and 2866 transitions. [2018-11-10 12:01:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2866 transitions. [2018-11-10 12:01:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-10 12:01:43,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 290 proven. 5 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-10 12:01:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2499 states and 2870 transitions. [2018-11-10 12:01:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2870 transitions. [2018-11-10 12:01:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-10 12:01:43,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-10 12:01:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2523 states and 2896 transitions. [2018-11-10 12:01:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2896 transitions. [2018-11-10 12:01:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 12:01:45,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 255 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-10 12:01:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2553 states and 2926 transitions. [2018-11-10 12:01:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 2926 transitions. [2018-11-10 12:01:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 12:01:45,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 274 proven. 17 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-10 12:01:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2581 states and 2956 transitions. [2018-11-10 12:01:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 2956 transitions. [2018-11-10 12:01:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 12:01:46,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 274 proven. 17 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-10 12:01:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2582 states and 2957 transitions. [2018-11-10 12:01:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 2957 transitions. [2018-11-10 12:01:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 12:01:47,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 12:01:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2599 states and 2974 transitions. [2018-11-10 12:01:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 2974 transitions. [2018-11-10 12:01:48,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 12:01:48,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 12:01:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2631 states and 3009 transitions. [2018-11-10 12:01:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3009 transitions. [2018-11-10 12:01:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 12:01:49,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 12:01:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 2636 states and 3015 transitions. [2018-11-10 12:01:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3015 transitions. [2018-11-10 12:01:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 12:01:50,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 12:01:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2650 states and 3030 transitions. [2018-11-10 12:01:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3030 transitions. [2018-11-10 12:01:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 12:01:51,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-10 12:01:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2680 states and 3067 transitions. [2018-11-10 12:01:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3067 transitions. [2018-11-10 12:01:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 12:01:53,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-10 12:01:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2686 states and 3072 transitions. [2018-11-10 12:01:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3072 transitions. [2018-11-10 12:01:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 12:01:53,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-10 12:01:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 2713 states and 3099 transitions. [2018-11-10 12:01:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3099 transitions. [2018-11-10 12:01:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 12:01:54,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-10 12:01:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2719 states and 3104 transitions. [2018-11-10 12:01:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3104 transitions. [2018-11-10 12:01:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 12:01:55,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 357 proven. 29 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 12:01:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2720 states and 3106 transitions. [2018-11-10 12:01:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3106 transitions. [2018-11-10 12:01:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-10 12:01:57,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 357 proven. 29 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 12:01:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2769 states and 3159 transitions. [2018-11-10 12:01:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3159 transitions. [2018-11-10 12:01:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-10 12:01:59,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-10 12:01:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2775 states and 3164 transitions. [2018-11-10 12:01:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3164 transitions. [2018-11-10 12:01:59,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-10 12:01:59,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-10 12:01:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2776 states and 3164 transitions. [2018-11-10 12:01:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3164 transitions. [2018-11-10 12:01:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-10 12:01:59,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-10 12:02:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 2826 states and 3217 transitions. [2018-11-10 12:02:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3217 transitions. [2018-11-10 12:02:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-10 12:02:03,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-10 12:02:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2831 states and 3222 transitions. [2018-11-10 12:02:04,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3222 transitions. [2018-11-10 12:02:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-10 12:02:04,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 226 proven. 229 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 12:02:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 3042 states and 3451 transitions. [2018-11-10 12:02:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3451 transitions. [2018-11-10 12:02:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 12:02:10,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-10 12:02:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3119 states and 3541 transitions. [2018-11-10 12:02:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 3541 transitions. [2018-11-10 12:02:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 12:02:12,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-10 12:02:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3138 states and 3560 transitions. [2018-11-10 12:02:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 3560 transitions. [2018-11-10 12:02:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-10 12:02:14,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-10 12:02:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:14,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3142 states and 3563 transitions. [2018-11-10 12:02:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 3563 transitions. [2018-11-10 12:02:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 12:02:14,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-10 12:02:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3153 states and 3579 transitions. [2018-11-10 12:02:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3579 transitions. [2018-11-10 12:02:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 12:02:16,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-10 12:02:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3164 states and 3592 transitions. [2018-11-10 12:02:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3592 transitions. [2018-11-10 12:02:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-10 12:02:16,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 335 proven. 2 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-10 12:02:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3205 states and 3632 transitions. [2018-11-10 12:02:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3632 transitions. [2018-11-10 12:02:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-10 12:02:17,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 12:02:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3217 states and 3645 transitions. [2018-11-10 12:02:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3645 transitions. [2018-11-10 12:02:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-10 12:02:18,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 12:02:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3218 states and 3645 transitions. [2018-11-10 12:02:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3645 transitions. [2018-11-10 12:02:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-10 12:02:18,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 12:02:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3219 states and 3646 transitions. [2018-11-10 12:02:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3646 transitions. [2018-11-10 12:02:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-10 12:02:19,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 12:02:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3232 states and 3659 transitions. [2018-11-10 12:02:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3659 transitions. [2018-11-10 12:02:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-10 12:02:20,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 344 proven. 8 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 12:02:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3233 states and 3659 transitions. [2018-11-10 12:02:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 3659 transitions. [2018-11-10 12:02:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-11-10 12:02:20,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-11-10 12:02:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3291 states and 3716 transitions. [2018-11-10 12:02:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3716 transitions. [2018-11-10 12:02:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-10 12:02:23,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 505 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 12:02:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3292 states and 3716 transitions. [2018-11-10 12:02:23,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 3716 transitions. [2018-11-10 12:02:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-10 12:02:23,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 505 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 12:02:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3321 states and 3745 transitions. [2018-11-10 12:02:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3321 states and 3745 transitions. [2018-11-10 12:02:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-10 12:02:23,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 505 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 12:02:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 3323 states and 3746 transitions. [2018-11-10 12:02:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 3746 transitions. [2018-11-10 12:02:24,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-11-10 12:02:24,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-10 12:02:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3348 states and 3770 transitions. [2018-11-10 12:02:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 3770 transitions. [2018-11-10 12:02:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-10 12:02:25,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-10 12:02:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 3349 states and 3772 transitions. [2018-11-10 12:02:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 3772 transitions. [2018-11-10 12:02:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-10 12:02:25,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-10 12:02:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3353 states and 3776 transitions. [2018-11-10 12:02:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3776 transitions. [2018-11-10 12:02:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-10 12:02:26,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-11-10 12:02:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3357 states and 3780 transitions. [2018-11-10 12:02:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 3780 transitions. [2018-11-10 12:02:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-10 12:02:26,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 227 proven. 458 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 12:02:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3437 states and 3861 transitions. [2018-11-10 12:02:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 3861 transitions. [2018-11-10 12:02:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-10 12:02:30,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 227 proven. 458 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 12:02:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3520 states and 3948 transitions. [2018-11-10 12:02:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 3948 transitions. [2018-11-10 12:02:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-10 12:02:36,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 227 proven. 458 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 12:02:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3553 states and 3982 transitions. [2018-11-10 12:02:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 3982 transitions. [2018-11-10 12:02:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-11-10 12:02:38,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 227 proven. 458 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 12:02:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3559 states and 3988 transitions. [2018-11-10 12:02:39,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 3988 transitions. [2018-11-10 12:02:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:39,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 3640 states and 4077 transitions. [2018-11-10 12:02:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4077 transitions. [2018-11-10 12:02:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:43,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 3717 states and 4156 transitions. [2018-11-10 12:02:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3717 states and 4156 transitions. [2018-11-10 12:02:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:46,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 3748 states and 4186 transitions. [2018-11-10 12:02:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3748 states and 4186 transitions. [2018-11-10 12:02:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:47,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 3791 states and 4228 transitions. [2018-11-10 12:02:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4228 transitions. [2018-11-10 12:02:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:50,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 3799 states and 4234 transitions. [2018-11-10 12:02:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 4234 transitions. [2018-11-10 12:02:50,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:50,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 3814 states and 4248 transitions. [2018-11-10 12:02:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 4248 transitions. [2018-11-10 12:02:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:51,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 3847 states and 4282 transitions. [2018-11-10 12:02:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 4282 transitions. [2018-11-10 12:02:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:52,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 3859 states and 4293 transitions. [2018-11-10 12:02:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 4293 transitions. [2018-11-10 12:02:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-11-10 12:02:52,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 652 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-10 12:02:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 3888 states and 4321 transitions. [2018-11-10 12:02:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 4321 transitions. [2018-11-10 12:02:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-11-10 12:02:53,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 496 proven. 3 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-11-10 12:02:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 3899 states and 4334 transitions. [2018-11-10 12:02:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 4334 transitions. [2018-11-10 12:02:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-11-10 12:02:55,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 496 proven. 3 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-11-10 12:02:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 3903 states and 4338 transitions. [2018-11-10 12:02:55,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 4338 transitions. [2018-11-10 12:02:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2018-11-10 12:02:55,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 505 proven. 12 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-11-10 12:02:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 3907 states and 4341 transitions. [2018-11-10 12:02:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 4341 transitions. [2018-11-10 12:02:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2018-11-10 12:02:56,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 505 proven. 12 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-11-10 12:02:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3359 states and 3745 transitions. [2018-11-10 12:02:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 3745 transitions. [2018-11-10 12:02:56,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:02:56,852 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 162 iterations. [2018-11-10 12:02:56,859 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:02:56,984 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 21 [2018-11-10 12:02:57,098 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:02:57,418 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 21 [2018-11-10 12:02:57,527 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-10 12:02:57,728 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 21 [2018-11-10 12:02:57,903 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:02:58,004 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 21 [2018-11-10 12:02:58,105 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 21 [2018-11-10 12:02:58,276 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:02:58,599 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-11-10 12:02:58,703 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-10 12:02:58,995 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:02:59,108 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 21 [2018-11-10 12:02:59,222 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:02:59,467 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 21 [2018-11-10 12:02:59,574 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 21 [2018-11-10 12:02:59,690 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:02:59,804 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 21 [2018-11-10 12:02:59,912 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 21 [2018-11-10 12:03:00,156 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2018-11-10 12:03:00,350 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:03:00,536 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 21 [2018-11-10 12:03:00,642 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-11-10 12:03:00,746 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 21 [2018-11-10 12:03:00,853 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-11-10 12:03:01,002 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:01,118 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 21 [2018-11-10 12:03:01,297 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 21 [2018-11-10 12:03:01,592 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-10 12:03:01,853 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-11-10 12:03:02,065 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 21 [2018-11-10 12:03:02,279 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:02,543 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:03:02,904 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-11-10 12:03:03,015 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:03,126 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:03,299 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 21 [2018-11-10 12:03:03,415 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:03,708 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-10 12:03:04,110 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 21 [2018-11-10 12:03:04,218 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 21 [2018-11-10 12:03:04,329 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-10 12:03:04,439 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:04,595 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 21 [2018-11-10 12:03:04,824 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 21 [2018-11-10 12:03:05,015 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 21 [2018-11-10 12:03:05,199 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-10 12:03:05,199 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:03:05,201 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 12:03:05,206 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 12:03:05,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:03:05 ImpRootNode [2018-11-10 12:03:05,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:03:05,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:03:05,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:03:05,207 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:03:05,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:00:32" (3/4) ... [2018-11-10 12:03:05,211 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:03:05,227 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-10 12:03:05,228 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 12:03:05,229 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 12:03:05,230 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:03:05,314 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4094e6d8-148a-4535-9b00-4bfe656937c0/bin-2019/ukojak/witness.graphml [2018-11-10 12:03:05,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:03:05,315 INFO L168 Benchmark]: Toolchain (without parser) took 154707.33 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 951.2 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 450.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,315 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:03:05,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 924.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -219.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,316 INFO L168 Benchmark]: Boogie Preprocessor took 40.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,316 INFO L168 Benchmark]: RCFGBuilder took 1455.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.2 MB in the end (delta: 248.3 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,316 INFO L168 Benchmark]: CodeCheck took 152672.68 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 890.2 MB in the beginning and 3.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,317 INFO L168 Benchmark]: Witness Printer took 107.01 ms. Allocated memory is still 4.2 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:05,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 144.2s OverallTime, 162 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2145238992 SDtfs, -1650055880 SDslu, -2123071120 SDs, 0 SdLazy, 1681957884 SolverSat, 1238797140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 710.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235185 GetRequests, 230435 SyntacticMatches, 3162 SemanticMatches, 1588 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2026202 ImplicationChecksByTransitivity, 119.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 36706 NumberOfCodeBlocks, 36706 NumberOfCodeBlocksAsserted, 161 NumberOfCheckSat, 36545 ConstructedInterpolants, 0 QuantifiedInterpolants, 29903708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 161 InterpolantComputations, 112 PerfectInterpolantSequences, 44553/46940 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: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a19 == 1) || (!(a25 == 1) && !(a11 == 1))) || (!(a17 == 7) && !(a11 == 1))) || (a11 == 1 && !(a17 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a19 == 1) || (!(a25 == 1) && !(a11 == 1))) || (!(a17 == 7) && !(a11 == 1))) || (a11 == 1 && !(a17 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 924.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -219.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1455.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.2 MB in the end (delta: 248.3 MB). Peak memory consumption was 248.3 MB. Max. memory is 11.5 GB. * CodeCheck took 152672.68 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 890.2 MB in the beginning and 3.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. * Witness Printer took 107.01 ms. Allocated memory is still 4.2 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...