./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/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 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:56:42,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:56:42,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:56:43,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:56:43,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:56:43,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:56:43,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:56:43,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:56:43,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:56:43,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:56:43,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:56:43,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:56:43,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:56:43,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:56:43,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:56:43,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:56:43,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:56:43,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:56:43,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:56:43,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:56:43,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:56:43,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:56:43,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:56:43,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:56:43,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:56:43,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:56:43,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:56:43,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:56:43,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:56:43,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:56:43,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:56:43,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:56:43,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:56:43,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:56:43,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:56:43,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:56:43,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:56:43,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:56:43,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:56:43,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:56:43,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:56:43,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 08:56:43,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:56:43,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:56:43,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:56:43,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:56:43,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:56:43,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:56:43,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:56:43,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:56:43,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:56:43,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:56:43,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:56:43,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:56:43,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:56:43,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:56:43,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:56:43,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:56:43,085 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:56:43,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:56:43,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:56:43,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:56:43,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:56:43,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:56:43,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:56:43,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:56:43,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:56:43,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:56:43,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:56:43,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:56:43,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:56:43,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/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 -> 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 [2019-11-20 08:56:43,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:56:43,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:56:43,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:56:43,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:56:43,269 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:56:43,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2019-11-20 08:56:43,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/data/140a8cfae/a5b71fdbac0b445e88873ea2e11b907f/FLAG9ac364288 [2019-11-20 08:56:43,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:56:43,829 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2019-11-20 08:56:43,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/data/140a8cfae/a5b71fdbac0b445e88873ea2e11b907f/FLAG9ac364288 [2019-11-20 08:56:44,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/data/140a8cfae/a5b71fdbac0b445e88873ea2e11b907f [2019-11-20 08:56:44,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:56:44,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:56:44,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:44,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:56:44,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:56:44,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:44,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca737a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44, skipping insertion in model container [2019-11-20 08:56:44,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:44,361 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:56:44,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:56:44,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:44,803 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:56:44,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:44,914 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:56:44,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44 WrapperNode [2019-11-20 08:56:44,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:44,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:44,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:56:44,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:56:44,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:44,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:45,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:56:45,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:56:45,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:56:45,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... [2019-11-20 08:56:45,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:56:45,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:56:45,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:56:45,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:56:45,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/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 [2019-11-20 08:56:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:56:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:56:47,094 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:56:47,094 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:56:47,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:47 BoogieIcfgContainer [2019-11-20 08:56:47,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:56:47,096 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:56:47,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:56:47,106 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:56:47,106 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:47" (1/1) ... [2019-11-20 08:56:47,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:56:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-11-20 08:56:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-11-20 08:56:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 08:56:47,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2019-11-20 08:56:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2019-11-20 08:56:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 08:56:48,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2019-11-20 08:56:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2019-11-20 08:56:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 08:56:49,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2019-11-20 08:56:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2019-11-20 08:56:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 08:56:49,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:56:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 255 states and 354 transitions. [2019-11-20 08:56:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 354 transitions. [2019-11-20 08:56:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 08:56:49,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 264 states and 370 transitions. [2019-11-20 08:56:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 370 transitions. [2019-11-20 08:56:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 08:56:50,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 267 states and 373 transitions. [2019-11-20 08:56:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 373 transitions. [2019-11-20 08:56:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 08:56:50,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 271 states and 378 transitions. [2019-11-20 08:56:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 378 transitions. [2019-11-20 08:56:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 08:56:50,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:56:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 275 states and 386 transitions. [2019-11-20 08:56:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 386 transitions. [2019-11-20 08:56:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 08:56:51,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:51,071 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:56:51,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 278 states and 389 transitions. [2019-11-20 08:56:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 389 transitions. [2019-11-20 08:56:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 08:56:51,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 295 states and 419 transitions. [2019-11-20 08:56:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 419 transitions. [2019-11-20 08:56:51,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-20 08:56:51,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 302 states and 427 transitions. [2019-11-20 08:56:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 427 transitions. [2019-11-20 08:56:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 08:56:52,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 304 states and 429 transitions. [2019-11-20 08:56:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 429 transitions. [2019-11-20 08:56:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 08:56:52,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 308 states and 437 transitions. [2019-11-20 08:56:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 437 transitions. [2019-11-20 08:56:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 08:56:52,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:52,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 311 states and 440 transitions. [2019-11-20 08:56:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 440 transitions. [2019-11-20 08:56:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 08:56:52,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 314 states and 445 transitions. [2019-11-20 08:56:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 445 transitions. [2019-11-20 08:56:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 08:56:53,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 337 states and 476 transitions. [2019-11-20 08:56:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 476 transitions. [2019-11-20 08:56:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 08:56:54,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:56:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 341 states and 483 transitions. [2019-11-20 08:56:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 483 transitions. [2019-11-20 08:56:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 08:56:54,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 363 states and 514 transitions. [2019-11-20 08:56:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 514 transitions. [2019-11-20 08:56:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 08:56:56,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 366 states and 517 transitions. [2019-11-20 08:56:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 517 transitions. [2019-11-20 08:56:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 08:56:56,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 369 states and 520 transitions. [2019-11-20 08:56:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 520 transitions. [2019-11-20 08:56:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 08:56:56,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 372 states and 523 transitions. [2019-11-20 08:56:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 523 transitions. [2019-11-20 08:56:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 08:56:57,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:56:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 377 states and 527 transitions. [2019-11-20 08:56:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 527 transitions. [2019-11-20 08:56:57,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 08:56:57,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 386 states and 540 transitions. [2019-11-20 08:56:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 540 transitions. [2019-11-20 08:56:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 08:56:57,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:56:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 392 states and 552 transitions. [2019-11-20 08:56:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 552 transitions. [2019-11-20 08:56:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 08:56:58,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 421 states and 594 transitions. [2019-11-20 08:57:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 594 transitions. [2019-11-20 08:57:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 08:57:00,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 424 states and 597 transitions. [2019-11-20 08:57:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 597 transitions. [2019-11-20 08:57:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 08:57:01,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 427 states and 600 transitions. [2019-11-20 08:57:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 600 transitions. [2019-11-20 08:57:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 08:57:01,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:57:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 432 states and 605 transitions. [2019-11-20 08:57:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 605 transitions. [2019-11-20 08:57:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 08:57:02,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 438 states and 610 transitions. [2019-11-20 08:57:02,436 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 610 transitions. [2019-11-20 08:57:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 08:57:02,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:02,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 442 states and 614 transitions. [2019-11-20 08:57:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 614 transitions. [2019-11-20 08:57:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 08:57:02,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 443 states and 615 transitions. [2019-11-20 08:57:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 615 transitions. [2019-11-20 08:57:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 08:57:02,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 456 states and 630 transitions. [2019-11-20 08:57:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 630 transitions. [2019-11-20 08:57:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 08:57:03,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 08:57:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 463 states and 638 transitions. [2019-11-20 08:57:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 638 transitions. [2019-11-20 08:57:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-20 08:57:04,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 477 states and 654 transitions. [2019-11-20 08:57:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 654 transitions. [2019-11-20 08:57:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 08:57:04,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 492 states and 672 transitions. [2019-11-20 08:57:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 672 transitions. [2019-11-20 08:57:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 08:57:04,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 504 states and 684 transitions. [2019-11-20 08:57:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 684 transitions. [2019-11-20 08:57:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 08:57:05,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 507 states and 687 transitions. [2019-11-20 08:57:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 687 transitions. [2019-11-20 08:57:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 08:57:05,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:57:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 510 states and 689 transitions. [2019-11-20 08:57:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 689 transitions. [2019-11-20 08:57:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 08:57:05,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 534 states and 719 transitions. [2019-11-20 08:57:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 719 transitions. [2019-11-20 08:57:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 08:57:08,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 547 states and 733 transitions. [2019-11-20 08:57:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 733 transitions. [2019-11-20 08:57:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 08:57:09,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 559 states and 745 transitions. [2019-11-20 08:57:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 745 transitions. [2019-11-20 08:57:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 08:57:09,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 564 states and 750 transitions. [2019-11-20 08:57:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 750 transitions. [2019-11-20 08:57:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 08:57:10,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 573 states and 759 transitions. [2019-11-20 08:57:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 759 transitions. [2019-11-20 08:57:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 08:57:11,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 588 states and 777 transitions. [2019-11-20 08:57:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 777 transitions. [2019-11-20 08:57:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 08:57:11,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 591 states and 780 transitions. [2019-11-20 08:57:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 780 transitions. [2019-11-20 08:57:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 08:57:12,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 608 states and 801 transitions. [2019-11-20 08:57:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 801 transitions. [2019-11-20 08:57:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 08:57:13,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:57:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 623 states and 819 transitions. [2019-11-20 08:57:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 819 transitions. [2019-11-20 08:57:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 08:57:14,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 08:57:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 627 states and 826 transitions. [2019-11-20 08:57:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 826 transitions. [2019-11-20 08:57:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 08:57:14,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 08:57:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 634 states and 835 transitions. [2019-11-20 08:57:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 835 transitions. [2019-11-20 08:57:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 08:57:15,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 08:57:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 648 states and 849 transitions. [2019-11-20 08:57:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 849 transitions. [2019-11-20 08:57:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 08:57:15,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 75 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 08:57:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 682 states and 885 transitions. [2019-11-20 08:57:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 885 transitions. [2019-11-20 08:57:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 08:57:16,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 08:57:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:17,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 686 states and 890 transitions. [2019-11-20 08:57:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 890 transitions. [2019-11-20 08:57:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 08:57:17,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:18,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 708 states and 920 transitions. [2019-11-20 08:57:18,703 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 920 transitions. [2019-11-20 08:57:18,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 08:57:18,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:19,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 711 states and 923 transitions. [2019-11-20 08:57:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 923 transitions. [2019-11-20 08:57:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 08:57:19,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 714 states and 926 transitions. [2019-11-20 08:57:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 926 transitions. [2019-11-20 08:57:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 08:57:20,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:57:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 737 states and 952 transitions. [2019-11-20 08:57:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 952 transitions. [2019-11-20 08:57:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 08:57:20,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 755 states and 972 transitions. [2019-11-20 08:57:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 972 transitions. [2019-11-20 08:57:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 08:57:20,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 794 states and 1015 transitions. [2019-11-20 08:57:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1015 transitions. [2019-11-20 08:57:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 08:57:22,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:57:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 796 states and 1016 transitions. [2019-11-20 08:57:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1016 transitions. [2019-11-20 08:57:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:57:22,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:57:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 808 states and 1028 transitions. [2019-11-20 08:57:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1028 transitions. [2019-11-20 08:57:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:57:23,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 871 states and 1106 transitions. [2019-11-20 08:57:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1106 transitions. [2019-11-20 08:57:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:57:28,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 874 states and 1109 transitions. [2019-11-20 08:57:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1109 transitions. [2019-11-20 08:57:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:57:29,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 877 states and 1112 transitions. [2019-11-20 08:57:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1112 transitions. [2019-11-20 08:57:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 08:57:29,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 880 states and 1115 transitions. [2019-11-20 08:57:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1115 transitions. [2019-11-20 08:57:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 08:57:30,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 891 states and 1128 transitions. [2019-11-20 08:57:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1128 transitions. [2019-11-20 08:57:31,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 08:57:31,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 892 states and 1129 transitions. [2019-11-20 08:57:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1129 transitions. [2019-11-20 08:57:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 08:57:31,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 904 states and 1141 transitions. [2019-11-20 08:57:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1141 transitions. [2019-11-20 08:57:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 08:57:32,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:33,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:33,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 908 states and 1150 transitions. [2019-11-20 08:57:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1150 transitions. [2019-11-20 08:57:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:33,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:57:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 967 states and 1218 transitions. [2019-11-20 08:57:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1218 transitions. [2019-11-20 08:57:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:38,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 991 states and 1252 transitions. [2019-11-20 08:57:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1252 transitions. [2019-11-20 08:57:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:40,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 08:57:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1019 states and 1285 transitions. [2019-11-20 08:57:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1285 transitions. [2019-11-20 08:57:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:41,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1047 states and 1314 transitions. [2019-11-20 08:57:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1314 transitions. [2019-11-20 08:57:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:42,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1049 states and 1316 transitions. [2019-11-20 08:57:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1316 transitions. [2019-11-20 08:57:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:42,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1062 states and 1328 transitions. [2019-11-20 08:57:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1328 transitions. [2019-11-20 08:57:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:44,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1074 states and 1339 transitions. [2019-11-20 08:57:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1339 transitions. [2019-11-20 08:57:44,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:44,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:57:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1084 states and 1349 transitions. [2019-11-20 08:57:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1349 transitions. [2019-11-20 08:57:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:44,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:57:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1085 states and 1350 transitions. [2019-11-20 08:57:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1350 transitions. [2019-11-20 08:57:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 08:57:45,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 08:57:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1088 states and 1352 transitions. [2019-11-20 08:57:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1352 transitions. [2019-11-20 08:57:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 08:57:45,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 08:57:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1112 states and 1378 transitions. [2019-11-20 08:57:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1378 transitions. [2019-11-20 08:57:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 08:57:46,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 08:57:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1125 states and 1391 transitions. [2019-11-20 08:57:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1391 transitions. [2019-11-20 08:57:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 08:57:47,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1126 states and 1393 transitions. [2019-11-20 08:57:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1393 transitions. [2019-11-20 08:57:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 08:57:47,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:57:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1129 states and 1396 transitions. [2019-11-20 08:57:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1396 transitions. [2019-11-20 08:57:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 08:57:47,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 08:57:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1134 states and 1400 transitions. [2019-11-20 08:57:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1400 transitions. [2019-11-20 08:57:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 08:57:47,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 08:57:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1146 states and 1411 transitions. [2019-11-20 08:57:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1411 transitions. [2019-11-20 08:57:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 08:57:48,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1150 states and 1415 transitions. [2019-11-20 08:57:48,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1415 transitions. [2019-11-20 08:57:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 08:57:48,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-20 08:57:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1151 states and 1416 transitions. [2019-11-20 08:57:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1416 transitions. [2019-11-20 08:57:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-20 08:57:48,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:49,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1171 states and 1439 transitions. [2019-11-20 08:57:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1439 transitions. [2019-11-20 08:57:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 08:57:49,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 128 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1182 states and 1460 transitions. [2019-11-20 08:57:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1460 transitions. [2019-11-20 08:57:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 08:57:52,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 128 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1185 states and 1463 transitions. [2019-11-20 08:57:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1463 transitions. [2019-11-20 08:57:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 08:57:53,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 128 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1188 states and 1466 transitions. [2019-11-20 08:57:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1466 transitions. [2019-11-20 08:57:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 08:57:53,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:57:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1192 states and 1471 transitions. [2019-11-20 08:57:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1471 transitions. [2019-11-20 08:57:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 08:57:53,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 08:57:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1197 states and 1475 transitions. [2019-11-20 08:57:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1475 transitions. [2019-11-20 08:57:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 08:57:54,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-11-20 08:57:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1209 states and 1487 transitions. [2019-11-20 08:57:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1487 transitions. [2019-11-20 08:57:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 08:57:56,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-11-20 08:57:57,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:57,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1221 states and 1499 transitions. [2019-11-20 08:57:57,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1499 transitions. [2019-11-20 08:57:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 08:57:57,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 08:57:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:57:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1242 states and 1526 transitions. [2019-11-20 08:57:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1526 transitions. [2019-11-20 08:57:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 08:57:58,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:57:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:57:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:58:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1287 states and 1575 transitions. [2019-11-20 08:58:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1575 transitions. [2019-11-20 08:58:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 08:58:01,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:58:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1320 states and 1612 transitions. [2019-11-20 08:58:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1612 transitions. [2019-11-20 08:58:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 08:58:02,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 08:58:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1326 states and 1617 transitions. [2019-11-20 08:58:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1617 transitions. [2019-11-20 08:58:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-20 08:58:02,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:58:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1334 states and 1625 transitions. [2019-11-20 08:58:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1625 transitions. [2019-11-20 08:58:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 08:58:03,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 08:58:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1337 states and 1628 transitions. [2019-11-20 08:58:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1628 transitions. [2019-11-20 08:58:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 08:58:03,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:58:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1378 states and 1673 transitions. [2019-11-20 08:58:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1673 transitions. [2019-11-20 08:58:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 08:58:04,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 08:58:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1399 states and 1695 transitions. [2019-11-20 08:58:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1695 transitions. [2019-11-20 08:58:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 08:58:05,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:58:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1402 states and 1697 transitions. [2019-11-20 08:58:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1697 transitions. [2019-11-20 08:58:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:06,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 08:58:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1408 states and 1702 transitions. [2019-11-20 08:58:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1702 transitions. [2019-11-20 08:58:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:06,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:58:08,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1420 states and 1715 transitions. [2019-11-20 08:58:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1715 transitions. [2019-11-20 08:58:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:08,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:58:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1441 states and 1735 transitions. [2019-11-20 08:58:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1735 transitions. [2019-11-20 08:58:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:10,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:58:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1453 states and 1747 transitions. [2019-11-20 08:58:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1747 transitions. [2019-11-20 08:58:10,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:10,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:58:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1463 states and 1764 transitions. [2019-11-20 08:58:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1764 transitions. [2019-11-20 08:58:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:12,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:58:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1466 states and 1767 transitions. [2019-11-20 08:58:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1767 transitions. [2019-11-20 08:58:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 08:58:13,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:58:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1469 states and 1770 transitions. [2019-11-20 08:58:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1770 transitions. [2019-11-20 08:58:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:13,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 08:58:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1472 states and 1773 transitions. [2019-11-20 08:58:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1773 transitions. [2019-11-20 08:58:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:13,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:58:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1505 states and 1808 transitions. [2019-11-20 08:58:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1808 transitions. [2019-11-20 08:58:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:16,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 108 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 08:58:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1514 states and 1818 transitions. [2019-11-20 08:58:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1818 transitions. [2019-11-20 08:58:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:16,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 108 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 08:58:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1515 states and 1819 transitions. [2019-11-20 08:58:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1819 transitions. [2019-11-20 08:58:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:16,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 108 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 08:58:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1538 states and 1841 transitions. [2019-11-20 08:58:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1841 transitions. [2019-11-20 08:58:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:17,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:58:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1549 states and 1854 transitions. [2019-11-20 08:58:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1854 transitions. [2019-11-20 08:58:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 08:58:19,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:58:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1552 states and 1857 transitions. [2019-11-20 08:58:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1857 transitions. [2019-11-20 08:58:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 08:58:20,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 08:58:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1557 states and 1865 transitions. [2019-11-20 08:58:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1865 transitions. [2019-11-20 08:58:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 08:58:21,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 08:58:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1562 states and 1869 transitions. [2019-11-20 08:58:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1869 transitions. [2019-11-20 08:58:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 08:58:21,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:58:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1573 states and 1882 transitions. [2019-11-20 08:58:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1882 transitions. [2019-11-20 08:58:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 08:58:22,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:58:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1576 states and 1885 transitions. [2019-11-20 08:58:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1885 transitions. [2019-11-20 08:58:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 08:58:23,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:58:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1579 states and 1888 transitions. [2019-11-20 08:58:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1888 transitions. [2019-11-20 08:58:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 08:58:23,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 08:58:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1584 states and 1893 transitions. [2019-11-20 08:58:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1893 transitions. [2019-11-20 08:58:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 08:58:24,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 08:58:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1647 states and 1963 transitions. [2019-11-20 08:58:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1963 transitions. [2019-11-20 08:58:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-20 08:58:32,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 08:58:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1653 states and 1973 transitions. [2019-11-20 08:58:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1973 transitions. [2019-11-20 08:58:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 08:58:33,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 240 proven. 28 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 08:58:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 1728 states and 2070 transitions. [2019-11-20 08:58:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2070 transitions. [2019-11-20 08:58:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 08:58:42,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 240 proven. 28 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 08:58:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1739 states and 2082 transitions. [2019-11-20 08:58:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2082 transitions. [2019-11-20 08:58:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 08:58:44,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 200 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-20 08:58:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1792 states and 2136 transitions. [2019-11-20 08:58:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2136 transitions. [2019-11-20 08:58:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 08:58:46,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 08:58:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1803 states and 2152 transitions. [2019-11-20 08:58:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2152 transitions. [2019-11-20 08:58:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 08:58:50,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 08:58:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1808 states and 2156 transitions. [2019-11-20 08:58:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2156 transitions. [2019-11-20 08:58:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 08:58:51,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-11-20 08:58:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1813 states and 2160 transitions. [2019-11-20 08:58:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2160 transitions. [2019-11-20 08:58:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 08:58:51,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-11-20 08:58:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1825 states and 2171 transitions. [2019-11-20 08:58:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2171 transitions. [2019-11-20 08:58:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 08:58:52,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 186 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 08:58:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1851 states and 2204 transitions. [2019-11-20 08:58:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2204 transitions. [2019-11-20 08:58:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 08:58:53,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 186 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 08:58:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1854 states and 2207 transitions. [2019-11-20 08:58:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2207 transitions. [2019-11-20 08:58:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 08:58:54,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 186 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 08:58:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1857 states and 2210 transitions. [2019-11-20 08:58:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2210 transitions. [2019-11-20 08:58:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 08:58:54,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 186 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 08:58:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1860 states and 2213 transitions. [2019-11-20 08:58:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2213 transitions. [2019-11-20 08:58:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 08:58:55,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-20 08:58:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:58:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1862 states and 2215 transitions. [2019-11-20 08:58:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2215 transitions. [2019-11-20 08:58:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 08:58:55,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:58:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:58:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 08:59:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1915 states and 2272 transitions. [2019-11-20 08:59:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2272 transitions. [2019-11-20 08:59:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 08:59:02,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:03,124 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 08:59:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 1935 states and 2291 transitions. [2019-11-20 08:59:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2291 transitions. [2019-11-20 08:59:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 08:59:04,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 08:59:06,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1946 states and 2302 transitions. [2019-11-20 08:59:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2302 transitions. [2019-11-20 08:59:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 08:59:06,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 08:59:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1956 states and 2311 transitions. [2019-11-20 08:59:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2311 transitions. [2019-11-20 08:59:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 08:59:07,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 08:59:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1969 states and 2323 transitions. [2019-11-20 08:59:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2323 transitions. [2019-11-20 08:59:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 08:59:09,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-20 08:59:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 1973 states and 2328 transitions. [2019-11-20 08:59:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2328 transitions. [2019-11-20 08:59:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 08:59:09,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:09,979 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-20 08:59:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2027 states and 2383 transitions. [2019-11-20 08:59:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2383 transitions. [2019-11-20 08:59:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 08:59:13,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-20 08:59:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2032 states and 2387 transitions. [2019-11-20 08:59:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2387 transitions. [2019-11-20 08:59:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 08:59:14,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 08:59:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2095 states and 2452 transitions. [2019-11-20 08:59:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2452 transitions. [2019-11-20 08:59:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 08:59:16,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 08:59:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2110 states and 2466 transitions. [2019-11-20 08:59:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2466 transitions. [2019-11-20 08:59:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 08:59:16,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-20 08:59:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2112 states and 2467 transitions. [2019-11-20 08:59:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2467 transitions. [2019-11-20 08:59:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:59:17,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 08:59:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2135 states and 2495 transitions. [2019-11-20 08:59:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2495 transitions. [2019-11-20 08:59:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:59:24,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 08:59:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2142 states and 2505 transitions. [2019-11-20 08:59:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2505 transitions. [2019-11-20 08:59:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:59:26,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 08:59:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2158 states and 2520 transitions. [2019-11-20 08:59:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2520 transitions. [2019-11-20 08:59:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:59:30,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 08:59:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2170 states and 2532 transitions. [2019-11-20 08:59:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2532 transitions. [2019-11-20 08:59:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 08:59:32,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 08:59:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2182 states and 2543 transitions. [2019-11-20 08:59:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2543 transitions. [2019-11-20 08:59:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-20 08:59:33,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 08:59:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2238 states and 2607 transitions. [2019-11-20 08:59:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2607 transitions. [2019-11-20 08:59:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-20 08:59:42,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 08:59:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2288 states and 2655 transitions. [2019-11-20 08:59:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2655 transitions. [2019-11-20 08:59:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-20 08:59:49,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 08:59:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:59:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2328 states and 2694 transitions. [2019-11-20 08:59:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2694 transitions. [2019-11-20 08:59:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 08:59:52,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:59:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:59:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 09:00:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2367 states and 2741 transitions. [2019-11-20 09:00:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2741 transitions. [2019-11-20 09:00:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 09:00:00,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 09:00:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2374 states and 2747 transitions. [2019-11-20 09:00:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2747 transitions. [2019-11-20 09:00:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 09:00:01,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 61 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 09:00:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2379 states and 2753 transitions. [2019-11-20 09:00:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2753 transitions. [2019-11-20 09:00:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 09:00:03,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-20 09:00:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2421 states and 2801 transitions. [2019-11-20 09:00:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2801 transitions. [2019-11-20 09:00:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 09:00:06,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-20 09:00:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:07,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2434 states and 2813 transitions. [2019-11-20 09:00:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 2813 transitions. [2019-11-20 09:00:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 09:00:07,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 09:00:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:13,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2464 states and 2845 transitions. [2019-11-20 09:00:13,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2845 transitions. [2019-11-20 09:00:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 09:00:13,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 09:00:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2470 states and 2849 transitions. [2019-11-20 09:00:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 2849 transitions. [2019-11-20 09:00:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 09:00:16,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 09:00:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2501 states and 2882 transitions. [2019-11-20 09:00:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 2882 transitions. [2019-11-20 09:00:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 09:00:21,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 09:00:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2515 states and 2894 transitions. [2019-11-20 09:00:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2894 transitions. [2019-11-20 09:00:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-11-20 09:00:23,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-20 09:00:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2539 states and 2932 transitions. [2019-11-20 09:00:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2932 transitions. [2019-11-20 09:00:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-11-20 09:00:27,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-20 09:00:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2547 states and 2940 transitions. [2019-11-20 09:00:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 2940 transitions. [2019-11-20 09:00:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-11-20 09:00:29,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-20 09:00:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2550 states and 2944 transitions. [2019-11-20 09:00:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 2944 transitions. [2019-11-20 09:00:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-11-20 09:00:29,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-20 09:00:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2557 states and 2951 transitions. [2019-11-20 09:00:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 2951 transitions. [2019-11-20 09:00:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-11-20 09:00:31,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:31,303 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-20 09:00:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2562 states and 2955 transitions. [2019-11-20 09:00:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 2955 transitions. [2019-11-20 09:00:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 09:00:32,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 09:00:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2663 states and 3080 transitions. [2019-11-20 09:00:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3080 transitions. [2019-11-20 09:00:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 09:00:41,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 09:00:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2665 states and 3082 transitions. [2019-11-20 09:00:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3082 transitions. [2019-11-20 09:00:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 09:00:41,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 09:00:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2669 states and 3086 transitions. [2019-11-20 09:00:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3086 transitions. [2019-11-20 09:00:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 09:00:42,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 200 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-11-20 09:00:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2673 states and 3090 transitions. [2019-11-20 09:00:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3090 transitions. [2019-11-20 09:00:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 09:00:43,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2019-11-20 09:00:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 2683 states and 3099 transitions. [2019-11-20 09:00:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3099 transitions. [2019-11-20 09:00:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-11-20 09:00:44,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:44,519 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 09:00:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2720 states and 3136 transitions. [2019-11-20 09:00:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3136 transitions. [2019-11-20 09:00:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-11-20 09:00:45,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:00:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:00:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 09:00:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:00:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2539 states and 2933 transitions. [2019-11-20 09:00:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2933 transitions. [2019-11-20 09:00:45,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:00:45,484 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 178 iterations. [2019-11-20 09:00:45,491 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 09:00:45,720 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 43 [2019-11-20 09:00:45,884 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 17 [2019-11-20 09:00:46,130 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2019-11-20 09:00:46,386 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2019-11-20 09:00:46,587 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2019-11-20 09:00:46,830 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 17 [2019-11-20 09:00:47,086 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 17 [2019-11-20 09:00:47,276 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2019-11-20 09:00:47,480 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2019-11-20 09:00:47,679 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2019-11-20 09:00:47,973 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-11-20 09:00:48,089 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-11-20 09:00:48,357 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2019-11-20 09:00:48,816 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2019-11-20 09:00:49,032 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2019-11-20 09:00:49,364 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2019-11-20 09:00:49,553 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2019-11-20 09:00:49,704 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 17 [2019-11-20 09:00:49,843 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-11-20 09:00:49,976 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-11-20 09:00:50,413 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2019-11-20 09:00:50,692 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2019-11-20 09:00:50,978 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2019-11-20 09:00:51,099 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 17 [2019-11-20 09:00:51,301 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2019-11-20 09:00:51,588 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2019-11-20 09:00:51,718 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-11-20 09:00:51,988 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2019-11-20 09:00:52,114 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 17 [2019-11-20 09:00:52,438 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2019-11-20 09:00:52,680 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2019-11-20 09:00:52,880 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 17 [2019-11-20 09:00:53,071 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2019-11-20 09:00:53,191 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 17 [2019-11-20 09:00:53,327 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 17 [2019-11-20 09:00:53,582 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2019-11-20 09:00:53,718 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-11-20 09:00:54,085 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2019-11-20 09:00:54,279 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2019-11-20 09:00:54,533 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2019-11-20 09:00:54,789 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2019-11-20 09:00:54,933 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2019-11-20 09:00:55,307 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2019-11-20 09:00:55,522 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 43 [2019-11-20 09:00:55,783 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 17 [2019-11-20 09:00:56,030 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2019-11-20 09:00:56,225 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2019-11-20 09:00:56,442 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2019-11-20 09:00:56,787 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2019-11-20 09:00:57,107 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 17 [2019-11-20 09:00:57,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:00:57,111 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 09:00:57,117 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 09:00:57,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:00:57 ImpRootNode [2019-11-20 09:00:57,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:00:57,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:00:57,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:00:57,119 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:00:57,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:47" (3/4) ... [2019-11-20 09:00:57,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:00:57,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-11-20 09:00:57,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 09:00:57,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 09:00:57,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:00:57,291 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f7123834-5809-4a90-bfdd-0d07f7202a90/bin/ukojak/witness.graphml [2019-11-20 09:00:57,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:00:57,293 INFO L168 Benchmark]: Toolchain (without parser) took 252946.08 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 939.3 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,293 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:00:57,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.09 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,295 INFO L168 Benchmark]: Boogie Preprocessor took 90.32 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,295 INFO L168 Benchmark]: RCFGBuilder took 1994.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.2 MB in the end (delta: 225.7 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,295 INFO L168 Benchmark]: CodeCheck took 250022.36 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 863.2 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,296 INFO L168 Benchmark]: Witness Printer took 173.04 ms. Allocated memory is still 4.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:00:57,298 INFO L335 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 238.3s, OverallIterations: 178, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 864565600 SDtfs, -1972701224 SDslu, 1966188400 SDs, 0 SdLazy, 951974912 SolverSat, 1217945504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 892.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202337 GetRequests, 196756 SyntacticMatches, 4103 SemanticMatches, 1478 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700690 ImplicationChecksByTransitivity, 208.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 31040 NumberOfCodeBlocks, 31040 NumberOfCodeBlocksAsserted, 177 NumberOfCheckSat, 30863 ConstructedInterpolants, 0 QuantifiedInterpolants, 25934845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 177 InterpolantComputations, 123 PerfectInterpolantSequences, 26815/27480 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 442]: 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: ((a28 == 9 && !(a17 == 9)) || !(1 == a11)) || (!(8 == a28) && !(a28 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(8 == a28) && !(a28 == 9)) || (a28 == 9 && !(a17 == 9))) || !(1 == a11) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 567.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.09 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.32 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1994.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.2 MB in the end (delta: 225.7 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. * CodeCheck took 250022.36 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 863.2 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 173.04 ms. Allocated memory is still 4.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...