./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79f8d22fb07c95427dd318f6d0f74f02d2c9197f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:33:47,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:33:47,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:33:47,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:33:47,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:33:47,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:33:47,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:33:47,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:33:47,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:33:47,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:33:47,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:33:47,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:33:47,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:33:47,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:33:47,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:33:47,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:33:47,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:33:47,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:33:47,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:33:47,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:33:47,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:33:47,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:33:47,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:33:47,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:33:47,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:33:47,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:33:47,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:33:47,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:33:47,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:33:47,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:33:47,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:33:47,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:33:47,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:33:47,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:33:47,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:33:47,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:33:47,141 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:33:47,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:33:47,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:33:47,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:33:47,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:33:47,152 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:33:47,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:33:47,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:33:47,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:33:47,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:33:47,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:33:47,154 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:33:47,154 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:33:47,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:33:47,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:33:47,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:33:47,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:33:47,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:33:47,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:33:47,155 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:33:47,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:33:47,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:33:47,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2018-11-10 10:33:47,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:33:47,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:33:47,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:33:47,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:33:47,190 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:33:47,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-10 10:33:47,227 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/data/24a54cf81/31dafbb309d348a3b551e55da2188600/FLAG21b32f524 [2018-11-10 10:33:47,684 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:33:47,684 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-10 10:33:47,693 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/data/24a54cf81/31dafbb309d348a3b551e55da2188600/FLAG21b32f524 [2018-11-10 10:33:47,708 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/data/24a54cf81/31dafbb309d348a3b551e55da2188600 [2018-11-10 10:33:47,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:33:47,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:33:47,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:33:47,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:33:47,714 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:33:47,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:33:47" (1/1) ... [2018-11-10 10:33:47,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4351e172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:47, skipping insertion in model container [2018-11-10 10:33:47,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:33:47" (1/1) ... [2018-11-10 10:33:47,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:33:47,755 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:33:47,973 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:33:47,977 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:33:48,045 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:33:48,058 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:33:48,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48 WrapperNode [2018-11-10 10:33:48,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:33:48,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:33:48,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:33:48,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:33:48,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:33:48,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:33:48,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:33:48,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:33:48,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... [2018-11-10 10:33:48,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:33:48,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:33:48,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:33:48,195 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:33:48,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:33:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:33:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:33:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:33:49,681 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:33:49,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:33:49 BoogieIcfgContainer [2018-11-10 10:33:49,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:33:49,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:33:49,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:33:49,689 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:33:49,689 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:33:49" (1/1) ... [2018-11-10 10:33:49,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 10:33:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 10:33:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 10:33:49,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-10 10:33:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-10 10:33:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 10:33:50,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-10 10:33:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-10 10:33:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 10:33:50,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2018-11-10 10:33:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2018-11-10 10:33:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 10:33:51,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 259 states and 363 transitions. [2018-11-10 10:33:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2018-11-10 10:33:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 10:33:51,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 266 states and 374 transitions. [2018-11-10 10:33:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2018-11-10 10:33:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 10:33:51,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:33:51,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 274 states and 387 transitions. [2018-11-10 10:33:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 387 transitions. [2018-11-10 10:33:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 10:33:51,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2018-11-10 10:33:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2018-11-10 10:33:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 10:33:51,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 284 states and 398 transitions. [2018-11-10 10:33:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 398 transitions. [2018-11-10 10:33:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 10:33:51,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:33:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 289 states and 404 transitions. [2018-11-10 10:33:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2018-11-10 10:33:52,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 10:33:52,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:33:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 295 states and 410 transitions. [2018-11-10 10:33:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 410 transitions. [2018-11-10 10:33:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:33:52,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 310 states and 432 transitions. [2018-11-10 10:33:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2018-11-10 10:33:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 10:33:52,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 317 states and 439 transitions. [2018-11-10 10:33:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 439 transitions. [2018-11-10 10:33:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:33:52,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 327 states and 453 transitions. [2018-11-10 10:33:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 453 transitions. [2018-11-10 10:33:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 10:33:52,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:33:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 346 states and 475 transitions. [2018-11-10 10:33:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 475 transitions. [2018-11-10 10:33:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:33:53,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 352 states and 481 transitions. [2018-11-10 10:33:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 481 transitions. [2018-11-10 10:33:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 10:33:53,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 372 states and 504 transitions. [2018-11-10 10:33:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 504 transitions. [2018-11-10 10:33:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 10:33:53,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 377 states and 515 transitions. [2018-11-10 10:33:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 515 transitions. [2018-11-10 10:33:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 10:33:53,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:33:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 384 states and 524 transitions. [2018-11-10 10:33:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 524 transitions. [2018-11-10 10:33:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 10:33:54,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 417 states and 563 transitions. [2018-11-10 10:33:54,901 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 563 transitions. [2018-11-10 10:33:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 10:33:54,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 451 states and 608 transitions. [2018-11-10 10:33:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 608 transitions. [2018-11-10 10:33:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:33:56,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:33:56,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 458 states and 620 transitions. [2018-11-10 10:33:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 620 transitions. [2018-11-10 10:33:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 10:33:56,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 465 states and 627 transitions. [2018-11-10 10:33:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 627 transitions. [2018-11-10 10:33:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 10:33:56,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:33:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 468 states and 631 transitions. [2018-11-10 10:33:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 631 transitions. [2018-11-10 10:33:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 10:33:57,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 473 states and 637 transitions. [2018-11-10 10:33:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 637 transitions. [2018-11-10 10:33:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:33:57,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:33:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 492 states and 660 transitions. [2018-11-10 10:33:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 660 transitions. [2018-11-10 10:33:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 10:33:57,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:33:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 498 states and 667 transitions. [2018-11-10 10:33:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 667 transitions. [2018-11-10 10:33:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 10:33:57,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 515 states and 688 transitions. [2018-11-10 10:33:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 688 transitions. [2018-11-10 10:33:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:33:58,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:33:58,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 523 states and 698 transitions. [2018-11-10 10:33:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 698 transitions. [2018-11-10 10:33:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:33:58,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:33:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:33:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 537 states and 724 transitions. [2018-11-10 10:33:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 724 transitions. [2018-11-10 10:33:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:33:59,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:33:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:34:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 549 states and 748 transitions. [2018-11-10 10:34:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 748 transitions. [2018-11-10 10:34:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 10:34:00,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 557 states and 762 transitions. [2018-11-10 10:34:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 762 transitions. [2018-11-10 10:34:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 10:34:00,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:34:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 564 states and 770 transitions. [2018-11-10 10:34:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 770 transitions. [2018-11-10 10:34:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:34:00,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 568 states and 778 transitions. [2018-11-10 10:34:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 778 transitions. [2018-11-10 10:34:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 10:34:01,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 586 states and 799 transitions. [2018-11-10 10:34:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 799 transitions. [2018-11-10 10:34:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 10:34:01,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 593 states and 809 transitions. [2018-11-10 10:34:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 809 transitions. [2018-11-10 10:34:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 10:34:01,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 595 states and 811 transitions. [2018-11-10 10:34:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 811 transitions. [2018-11-10 10:34:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:34:01,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:34:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 614 states and 833 transitions. [2018-11-10 10:34:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 833 transitions. [2018-11-10 10:34:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:34:01,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 625 states and 846 transitions. [2018-11-10 10:34:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 846 transitions. [2018-11-10 10:34:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:34:02,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 626 states and 846 transitions. [2018-11-10 10:34:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 846 transitions. [2018-11-10 10:34:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:34:02,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 641 states and 863 transitions. [2018-11-10 10:34:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 863 transitions. [2018-11-10 10:34:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 10:34:03,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:03,699 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 755 states and 982 transitions. [2018-11-10 10:34:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 982 transitions. [2018-11-10 10:34:05,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 10:34:05,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:34:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 758 states and 985 transitions. [2018-11-10 10:34:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 985 transitions. [2018-11-10 10:34:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:34:05,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:34:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 759 states and 986 transitions. [2018-11-10 10:34:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 986 transitions. [2018-11-10 10:34:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:34:05,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 774 states and 1000 transitions. [2018-11-10 10:34:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1000 transitions. [2018-11-10 10:34:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:34:06,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 786 states and 1016 transitions. [2018-11-10 10:34:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1016 transitions. [2018-11-10 10:34:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:34:07,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 792 states and 1021 transitions. [2018-11-10 10:34:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1021 transitions. [2018-11-10 10:34:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:34:07,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 826 states and 1059 transitions. [2018-11-10 10:34:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1059 transitions. [2018-11-10 10:34:08,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:34:08,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 833 states and 1070 transitions. [2018-11-10 10:34:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1070 transitions. [2018-11-10 10:34:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:34:08,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:09,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 836 states and 1073 transitions. [2018-11-10 10:34:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1073 transitions. [2018-11-10 10:34:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:34:09,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 839 states and 1075 transitions. [2018-11-10 10:34:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1075 transitions. [2018-11-10 10:34:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:34:09,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 840 states and 1075 transitions. [2018-11-10 10:34:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1075 transitions. [2018-11-10 10:34:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 10:34:09,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 848 states and 1083 transitions. [2018-11-10 10:34:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1083 transitions. [2018-11-10 10:34:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 10:34:09,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 866 states and 1111 transitions. [2018-11-10 10:34:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1111 transitions. [2018-11-10 10:34:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 10:34:10,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:11,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 877 states and 1125 transitions. [2018-11-10 10:34:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1125 transitions. [2018-11-10 10:34:11,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 10:34:11,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 878 states and 1125 transitions. [2018-11-10 10:34:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1125 transitions. [2018-11-10 10:34:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 10:34:11,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 879 states and 1125 transitions. [2018-11-10 10:34:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1125 transitions. [2018-11-10 10:34:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 10:34:11,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 884 states and 1131 transitions. [2018-11-10 10:34:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1131 transitions. [2018-11-10 10:34:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 10:34:11,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 911 states and 1161 transitions. [2018-11-10 10:34:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1161 transitions. [2018-11-10 10:34:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 10:34:12,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:34:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:12,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 944 states and 1194 transitions. [2018-11-10 10:34:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1194 transitions. [2018-11-10 10:34:12,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:34:12,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 968 states and 1225 transitions. [2018-11-10 10:34:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1225 transitions. [2018-11-10 10:34:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:34:13,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 970 states and 1226 transitions. [2018-11-10 10:34:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1226 transitions. [2018-11-10 10:34:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:34:13,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 972 states and 1228 transitions. [2018-11-10 10:34:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1228 transitions. [2018-11-10 10:34:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:34:13,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:34:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 980 states and 1237 transitions. [2018-11-10 10:34:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1237 transitions. [2018-11-10 10:34:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:34:14,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1007 states and 1267 transitions. [2018-11-10 10:34:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1267 transitions. [2018-11-10 10:34:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 10:34:14,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 10:34:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1008 states and 1267 transitions. [2018-11-10 10:34:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1267 transitions. [2018-11-10 10:34:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 10:34:14,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1075 states and 1345 transitions. [2018-11-10 10:34:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1345 transitions. [2018-11-10 10:34:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 10:34:17,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1096 states and 1367 transitions. [2018-11-10 10:34:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1367 transitions. [2018-11-10 10:34:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 10:34:18,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1111 states and 1384 transitions. [2018-11-10 10:34:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1384 transitions. [2018-11-10 10:34:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 10:34:18,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1116 states and 1387 transitions. [2018-11-10 10:34:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1387 transitions. [2018-11-10 10:34:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 10:34:18,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:34:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1118 states and 1389 transitions. [2018-11-10 10:34:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1389 transitions. [2018-11-10 10:34:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 10:34:19,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1120 states and 1391 transitions. [2018-11-10 10:34:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1391 transitions. [2018-11-10 10:34:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 10:34:19,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1122 states and 1393 transitions. [2018-11-10 10:34:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1393 transitions. [2018-11-10 10:34:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 10:34:19,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1130 states and 1401 transitions. [2018-11-10 10:34:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1401 transitions. [2018-11-10 10:34:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:34:19,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:34:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1139 states and 1411 transitions. [2018-11-10 10:34:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1411 transitions. [2018-11-10 10:34:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 10:34:19,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1189 states and 1463 transitions. [2018-11-10 10:34:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1463 transitions. [2018-11-10 10:34:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 10:34:21,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:34:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1248 states and 1530 transitions. [2018-11-10 10:34:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1530 transitions. [2018-11-10 10:34:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 10:34:24,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1283 states and 1578 transitions. [2018-11-10 10:34:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1578 transitions. [2018-11-10 10:34:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 10:34:25,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1291 states and 1586 transitions. [2018-11-10 10:34:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1586 transitions. [2018-11-10 10:34:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 10:34:26,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:34:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1293 states and 1589 transitions. [2018-11-10 10:34:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1589 transitions. [2018-11-10 10:34:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:34:26,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1297 states and 1600 transitions. [2018-11-10 10:34:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1600 transitions. [2018-11-10 10:34:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:34:26,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:26,430 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1320 states and 1625 transitions. [2018-11-10 10:34:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1625 transitions. [2018-11-10 10:34:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:34:27,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1327 states and 1636 transitions. [2018-11-10 10:34:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1636 transitions. [2018-11-10 10:34:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:34:27,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:34:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1364 states and 1681 transitions. [2018-11-10 10:34:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1681 transitions. [2018-11-10 10:34:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:34:29,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:34:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1379 states and 1698 transitions. [2018-11-10 10:34:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1698 transitions. [2018-11-10 10:34:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:34:29,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:34:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1392 states and 1712 transitions. [2018-11-10 10:34:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1712 transitions. [2018-11-10 10:34:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:34:30,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1394 states and 1715 transitions. [2018-11-10 10:34:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1715 transitions. [2018-11-10 10:34:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:34:30,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:34:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1419 states and 1745 transitions. [2018-11-10 10:34:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1745 transitions. [2018-11-10 10:34:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:34:32,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:34:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1422 states and 1747 transitions. [2018-11-10 10:34:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1747 transitions. [2018-11-10 10:34:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 10:34:32,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1446 states and 1774 transitions. [2018-11-10 10:34:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1774 transitions. [2018-11-10 10:34:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 10:34:33,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 10:34:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1503 states and 1831 transitions. [2018-11-10 10:34:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1831 transitions. [2018-11-10 10:34:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 10:34:36,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 10:34:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1505 states and 1834 transitions. [2018-11-10 10:34:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1834 transitions. [2018-11-10 10:34:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 10:34:36,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 10:34:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1513 states and 1843 transitions. [2018-11-10 10:34:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1843 transitions. [2018-11-10 10:34:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:34:37,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:34:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1573 states and 1904 transitions. [2018-11-10 10:34:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1904 transitions. [2018-11-10 10:34:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:34:39,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:34:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1586 states and 1916 transitions. [2018-11-10 10:34:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1916 transitions. [2018-11-10 10:34:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 10:34:41,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1594 states and 1924 transitions. [2018-11-10 10:34:41,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1924 transitions. [2018-11-10 10:34:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 10:34:41,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:34:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1596 states and 1925 transitions. [2018-11-10 10:34:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1925 transitions. [2018-11-10 10:34:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:34:41,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:34:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1624 states and 1955 transitions. [2018-11-10 10:34:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1955 transitions. [2018-11-10 10:34:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:34:42,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 10:34:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1656 states and 1991 transitions. [2018-11-10 10:34:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1991 transitions. [2018-11-10 10:34:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:34:43,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 10:34:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1667 states and 2000 transitions. [2018-11-10 10:34:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2000 transitions. [2018-11-10 10:34:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:43,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1698 states and 2039 transitions. [2018-11-10 10:34:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2039 transitions. [2018-11-10 10:34:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:45,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1715 states and 2062 transitions. [2018-11-10 10:34:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2062 transitions. [2018-11-10 10:34:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:46,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1730 states and 2078 transitions. [2018-11-10 10:34:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2078 transitions. [2018-11-10 10:34:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:46,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1739 states and 2088 transitions. [2018-11-10 10:34:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2088 transitions. [2018-11-10 10:34:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:47,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1750 states and 2098 transitions. [2018-11-10 10:34:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2098 transitions. [2018-11-10 10:34:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:47,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1759 states and 2107 transitions. [2018-11-10 10:34:48,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2107 transitions. [2018-11-10 10:34:48,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:48,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1768 states and 2116 transitions. [2018-11-10 10:34:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2116 transitions. [2018-11-10 10:34:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:48,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1770 states and 2119 transitions. [2018-11-10 10:34:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2119 transitions. [2018-11-10 10:34:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:34:48,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:34:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1776 states and 2124 transitions. [2018-11-10 10:34:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2124 transitions. [2018-11-10 10:34:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:34:49,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:34:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1793 states and 2143 transitions. [2018-11-10 10:34:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2143 transitions. [2018-11-10 10:34:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:34:49,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:34:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1808 states and 2160 transitions. [2018-11-10 10:34:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2160 transitions. [2018-11-10 10:34:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:34:50,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:34:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1818 states and 2170 transitions. [2018-11-10 10:34:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2170 transitions. [2018-11-10 10:34:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 10:34:50,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:34:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1819 states and 2170 transitions. [2018-11-10 10:34:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2170 transitions. [2018-11-10 10:34:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 10:34:50,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-10 10:34:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1841 states and 2189 transitions. [2018-11-10 10:34:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2189 transitions. [2018-11-10 10:34:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:34:51,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 10:34:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1847 states and 2195 transitions. [2018-11-10 10:34:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2195 transitions. [2018-11-10 10:34:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-10 10:34:51,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1853 states and 2200 transitions. [2018-11-10 10:34:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2200 transitions. [2018-11-10 10:34:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-10 10:34:51,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:34:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1859 states and 2205 transitions. [2018-11-10 10:34:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2205 transitions. [2018-11-10 10:34:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:34:52,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 10:34:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1875 states and 2223 transitions. [2018-11-10 10:34:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2223 transitions. [2018-11-10 10:34:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 10:34:52,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:34:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1888 states and 2239 transitions. [2018-11-10 10:34:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2239 transitions. [2018-11-10 10:34:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-10 10:34:53,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:53,216 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 10:34:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1896 states and 2247 transitions. [2018-11-10 10:34:53,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2247 transitions. [2018-11-10 10:34:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-10 10:34:53,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-10 10:34:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1898 states and 2248 transitions. [2018-11-10 10:34:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2248 transitions. [2018-11-10 10:34:53,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 10:34:53,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1957 states and 2317 transitions. [2018-11-10 10:34:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2317 transitions. [2018-11-10 10:34:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 10:34:54,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2007 states and 2369 transitions. [2018-11-10 10:34:56,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2369 transitions. [2018-11-10 10:34:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 10:34:56,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2021 states and 2384 transitions. [2018-11-10 10:34:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2384 transitions. [2018-11-10 10:34:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 10:34:56,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:34:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2055 states and 2418 transitions. [2018-11-10 10:34:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2418 transitions. [2018-11-10 10:34:57,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-10 10:34:57,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:34:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 2062 states and 2425 transitions. [2018-11-10 10:34:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2425 transitions. [2018-11-10 10:34:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-10 10:34:57,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:34:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2076 states and 2438 transitions. [2018-11-10 10:34:57,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2438 transitions. [2018-11-10 10:34:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 10:34:57,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:34:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2091 states and 2454 transitions. [2018-11-10 10:34:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2454 transitions. [2018-11-10 10:34:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 10:34:58,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:34:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2099 states and 2462 transitions. [2018-11-10 10:34:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2462 transitions. [2018-11-10 10:34:58,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-10 10:34:58,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:34:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2101 states and 2463 transitions. [2018-11-10 10:34:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2463 transitions. [2018-11-10 10:34:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-10 10:34:59,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:34:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2103 states and 2464 transitions. [2018-11-10 10:34:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2464 transitions. [2018-11-10 10:34:59,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 10:34:59,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-10 10:34:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:34:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2127 states and 2488 transitions. [2018-11-10 10:34:59,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2488 transitions. [2018-11-10 10:34:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-10 10:34:59,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:34:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-10 10:35:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:35:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2292 states and 2664 transitions. [2018-11-10 10:35:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2664 transitions. [2018-11-10 10:35:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-10 10:35:03,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:35:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:35:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2018-11-10 10:35:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:35:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2226 states and 2586 transitions. [2018-11-10 10:35:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2586 transitions. [2018-11-10 10:35:04,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:35:04,950 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 134 iterations. [2018-11-10 10:35:04,955 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:35:05,093 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-10 10:35:06,639 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2018-11-10 10:35:07,184 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 7 [2018-11-10 10:35:07,574 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 42 [2018-11-10 10:35:08,765 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-10 10:35:09,314 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2018-11-10 10:35:09,443 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:35:09,445 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 10:35:09,450 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 10:35:09,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:35:09 ImpRootNode [2018-11-10 10:35:09,450 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:35:09,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:35:09,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:35:09,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:35:09,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:33:49" (3/4) ... [2018-11-10 10:35:09,454 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:35:09,467 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-10 10:35:09,468 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 10:35:09,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 10:35:09,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:35:09,552 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9f25c7b-352f-45e1-abc9-231d3ffd9d0d/bin-2019/ukojak/witness.graphml [2018-11-10 10:35:09,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:35:09,553 INFO L168 Benchmark]: Toolchain (without parser) took 81842.38 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 951.1 MB in the beginning and 1.6 GB in the end (delta: -641.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,553 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:35:09,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -245.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,554 INFO L168 Benchmark]: Boogie Preprocessor took 40.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,554 INFO L168 Benchmark]: RCFGBuilder took 1487.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 910.5 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,554 INFO L168 Benchmark]: CodeCheck took 79768.17 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 910.5 MB in the beginning and 1.6 GB in the end (delta: -718.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,555 INFO L168 Benchmark]: Witness Printer took 101.43 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:35:09,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 75.2s OverallTime, 134 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2359328 SDtfs, 136391244 SDslu, 15728908 SDs, 0 SdLazy, -1978192162 SolverSat, 1283945494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 417.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142760 GetRequests, 140879 SyntacticMatches, 771 SemanticMatches, 1110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806824 ImplicationChecksByTransitivity, 61.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 20450 NumberOfCodeBlocks, 20450 NumberOfCodeBlocksAsserted, 133 NumberOfCheckSat, 20317 ConstructedInterpolants, 0 QuantifiedInterpolants, 7973881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 133 InterpolantComputations, 123 PerfectInterpolantSequences, 13731/13792 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: a17 == 8 || !(a28 == 8) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: a17 == 8 || !(a28 == 8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -245.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1487.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 910.5 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. * CodeCheck took 79768.17 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 910.5 MB in the beginning and 1.6 GB in the end (delta: -718.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 101.43 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...