./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/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 0b1eb39f0e741b958206d9dc54aeed5270272676 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:06:39,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:06:39,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:06:39,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:06:39,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:06:39,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:06:39,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:06:39,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:06:39,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:06:39,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:06:39,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:06:39,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:06:39,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:06:39,174 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:06:39,175 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:06:39,175 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:06:39,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:06:39,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:06:39,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:06:39,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:06:39,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:06:39,179 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:06:39,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:06:39,181 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:06:39,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:06:39,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:06:39,182 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:06:39,183 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:06:39,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:06:39,184 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:06:39,184 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:06:39,184 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:06:39,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:06:39,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:06:39,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:06:39,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:06:39,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 17:06:39,192 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:06:39,192 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:06:39,192 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:06:39,193 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:06:39,193 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:06:39,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:06:39,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:06:39,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:06:39,193 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:06:39,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:06:39,194 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:06:39,194 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:06:39,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:06:39,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:06:39,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:06:39,195 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_01217411-76f7-4bd4-9c6d-d80b046a865d/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 -> 0b1eb39f0e741b958206d9dc54aeed5270272676 [2018-12-08 17:06:39,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:06:39,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:06:39,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:06:39,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:06:39,221 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:06:39,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-12-08 17:06:39,255 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/data/0d30f1525/e3589cb03a7a47a39f96319fc6637570/FLAG33b8c857c [2018-12-08 17:06:39,587 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:06:39,588 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-12-08 17:06:39,595 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/data/0d30f1525/e3589cb03a7a47a39f96319fc6637570/FLAG33b8c857c [2018-12-08 17:06:39,981 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/data/0d30f1525/e3589cb03a7a47a39f96319fc6637570 [2018-12-08 17:06:39,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:06:39,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:06:39,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:06:39,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:06:39,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:06:39,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:06:39" (1/1) ... [2018-12-08 17:06:39,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2251f510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:39, skipping insertion in model container [2018-12-08 17:06:39,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:06:39" (1/1) ... [2018-12-08 17:06:39,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:06:40,022 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:06:40,196 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:06:40,199 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:06:40,245 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:06:40,298 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:06:40,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40 WrapperNode [2018-12-08 17:06:40,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:06:40,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:06:40,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:06:40,299 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:06:40,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:06:40,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:06:40,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:06:40,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:06:40,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... [2018-12-08 17:06:40,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:06:40,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:06:40,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:06:40,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:06:40,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:06:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/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 [2018-12-08 17:06:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:06:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:06:41,440 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:06:41,441 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 17:06:41,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:06:41 BoogieIcfgContainer [2018-12-08 17:06:41,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:06:41,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:06:41,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:06:41,451 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:06:41,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:06:41" (1/1) ... [2018-12-08 17:06:41,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:06:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 17:06:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 17:06:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 17:06:41,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-08 17:06:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-08 17:06:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 17:06:41,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:06:42,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:42,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-08 17:06:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-08 17:06:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 17:06:42,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-08 17:06:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-08 17:06:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 17:06:42,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-08 17:06:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-08 17:06:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 17:06:42,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-08 17:06:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-08 17:06:42,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 17:06:42,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:06:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-08 17:06:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-08 17:06:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 17:06:43,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:06:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2018-12-08 17:06:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2018-12-08 17:06:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 17:06:43,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:06:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-08 17:06:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-08 17:06:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 17:06:43,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-08 17:06:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-08 17:06:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 17:06:44,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 264 states and 388 transitions. [2018-12-08 17:06:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 388 transitions. [2018-12-08 17:06:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 17:06:44,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-08 17:06:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-08 17:06:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 17:06:44,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-08 17:06:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-08 17:06:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 17:06:44,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:06:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 369 states and 512 transitions. [2018-12-08 17:06:45,347 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 512 transitions. [2018-12-08 17:06:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 17:06:45,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 387 states and 533 transitions. [2018-12-08 17:06:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 533 transitions. [2018-12-08 17:06:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 17:06:45,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 389 states and 535 transitions. [2018-12-08 17:06:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 535 transitions. [2018-12-08 17:06:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 17:06:45,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 411 states and 569 transitions. [2018-12-08 17:06:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 569 transitions. [2018-12-08 17:06:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 17:06:46,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 414 states and 572 transitions. [2018-12-08 17:06:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 572 transitions. [2018-12-08 17:06:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 17:06:46,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 432 states and 594 transitions. [2018-12-08 17:06:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 594 transitions. [2018-12-08 17:06:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 17:06:47,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2018-12-08 17:06:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2018-12-08 17:06:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 17:06:47,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 438 states and 600 transitions. [2018-12-08 17:06:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 600 transitions. [2018-12-08 17:06:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 17:06:47,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 445 states and 608 transitions. [2018-12-08 17:06:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2018-12-08 17:06:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 17:06:48,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 451 states and 616 transitions. [2018-12-08 17:06:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2018-12-08 17:06:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 17:06:48,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:48,232 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:48,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 457 states and 626 transitions. [2018-12-08 17:06:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 626 transitions. [2018-12-08 17:06:48,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 17:06:48,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 460 states and 630 transitions. [2018-12-08 17:06:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 630 transitions. [2018-12-08 17:06:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 17:06:49,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 471 states and 643 transitions. [2018-12-08 17:06:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 643 transitions. [2018-12-08 17:06:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 17:06:49,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 472 states and 643 transitions. [2018-12-08 17:06:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2018-12-08 17:06:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 17:06:49,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 478 states and 652 transitions. [2018-12-08 17:06:49,704 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 652 transitions. [2018-12-08 17:06:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 17:06:49,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:06:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 487 states and 663 transitions. [2018-12-08 17:06:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 663 transitions. [2018-12-08 17:06:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 17:06:50,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 514 states and 692 transitions. [2018-12-08 17:06:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 692 transitions. [2018-12-08 17:06:50,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 17:06:50,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:06:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 540 states and 721 transitions. [2018-12-08 17:06:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 721 transitions. [2018-12-08 17:06:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 17:06:50,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 546 states and 726 transitions. [2018-12-08 17:06:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 726 transitions. [2018-12-08 17:06:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 17:06:50,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 548 states and 728 transitions. [2018-12-08 17:06:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 728 transitions. [2018-12-08 17:06:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 17:06:50,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 551 states and 731 transitions. [2018-12-08 17:06:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 731 transitions. [2018-12-08 17:06:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 17:06:51,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:06:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 557 states and 737 transitions. [2018-12-08 17:06:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 737 transitions. [2018-12-08 17:06:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 17:06:51,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 562 states and 743 transitions. [2018-12-08 17:06:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 743 transitions. [2018-12-08 17:06:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 17:06:51,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 564 states and 745 transitions. [2018-12-08 17:06:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 745 transitions. [2018-12-08 17:06:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 17:06:51,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 569 states and 749 transitions. [2018-12-08 17:06:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 749 transitions. [2018-12-08 17:06:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 17:06:51,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:06:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 571 states and 752 transitions. [2018-12-08 17:06:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 752 transitions. [2018-12-08 17:06:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 17:06:51,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:06:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 578 states and 761 transitions. [2018-12-08 17:06:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 761 transitions. [2018-12-08 17:06:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 17:06:51,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 583 states and 766 transitions. [2018-12-08 17:06:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 766 transitions. [2018-12-08 17:06:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 17:06:51,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 584 states and 767 transitions. [2018-12-08 17:06:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 767 transitions. [2018-12-08 17:06:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 17:06:51,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:51,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 590 states and 772 transitions. [2018-12-08 17:06:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 772 transitions. [2018-12-08 17:06:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 17:06:51,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 600 states and 781 transitions. [2018-12-08 17:06:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 781 transitions. [2018-12-08 17:06:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 17:06:51,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:06:52,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 601 states and 781 transitions. [2018-12-08 17:06:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 781 transitions. [2018-12-08 17:06:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 17:06:52,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 620 states and 803 transitions. [2018-12-08 17:06:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 803 transitions. [2018-12-08 17:06:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 17:06:52,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 621 states and 804 transitions. [2018-12-08 17:06:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 804 transitions. [2018-12-08 17:06:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 17:06:53,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:06:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 661 states and 859 transitions. [2018-12-08 17:06:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 859 transitions. [2018-12-08 17:06:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 17:06:55,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:06:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 663 states and 864 transitions. [2018-12-08 17:06:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 864 transitions. [2018-12-08 17:06:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 17:06:55,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 678 states and 879 transitions. [2018-12-08 17:06:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 879 transitions. [2018-12-08 17:06:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 17:06:55,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 695 states and 896 transitions. [2018-12-08 17:06:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 896 transitions. [2018-12-08 17:06:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 17:06:55,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 754 states and 959 transitions. [2018-12-08 17:06:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 959 transitions. [2018-12-08 17:06:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 17:06:57,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 756 states and 960 transitions. [2018-12-08 17:06:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 960 transitions. [2018-12-08 17:06:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 17:06:58,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:06:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 758 states and 961 transitions. [2018-12-08 17:06:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 961 transitions. [2018-12-08 17:06:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 17:06:58,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 773 states and 979 transitions. [2018-12-08 17:06:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 979 transitions. [2018-12-08 17:06:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 17:06:58,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:06:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:06:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 788 states and 996 transitions. [2018-12-08 17:06:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 996 transitions. [2018-12-08 17:06:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 17:06:59,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:06:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:06:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 856 states and 1079 transitions. [2018-12-08 17:07:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1079 transitions. [2018-12-08 17:07:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 17:07:03,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 859 states and 1082 transitions. [2018-12-08 17:07:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1082 transitions. [2018-12-08 17:07:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 17:07:04,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 862 states and 1085 transitions. [2018-12-08 17:07:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1085 transitions. [2018-12-08 17:07:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 17:07:04,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 17:07:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 863 states and 1086 transitions. [2018-12-08 17:07:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1086 transitions. [2018-12-08 17:07:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 17:07:04,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 909 states and 1137 transitions. [2018-12-08 17:07:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1137 transitions. [2018-12-08 17:07:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 17:07:05,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 921 states and 1154 transitions. [2018-12-08 17:07:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1154 transitions. [2018-12-08 17:07:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 17:07:05,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 942 states and 1176 transitions. [2018-12-08 17:07:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1176 transitions. [2018-12-08 17:07:06,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 17:07:06,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 992 states and 1230 transitions. [2018-12-08 17:07:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1230 transitions. [2018-12-08 17:07:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 17:07:10,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 995 states and 1233 transitions. [2018-12-08 17:07:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1233 transitions. [2018-12-08 17:07:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 17:07:10,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1013 states and 1251 transitions. [2018-12-08 17:07:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1251 transitions. [2018-12-08 17:07:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 17:07:11,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1045 states and 1284 transitions. [2018-12-08 17:07:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1284 transitions. [2018-12-08 17:07:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 17:07:12,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1052 states and 1296 transitions. [2018-12-08 17:07:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1296 transitions. [2018-12-08 17:07:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 17:07:13,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1055 states and 1299 transitions. [2018-12-08 17:07:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1299 transitions. [2018-12-08 17:07:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 17:07:13,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 17:07:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1056 states and 1299 transitions. [2018-12-08 17:07:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1299 transitions. [2018-12-08 17:07:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 17:07:13,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1072 states and 1317 transitions. [2018-12-08 17:07:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1317 transitions. [2018-12-08 17:07:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 17:07:14,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1101 states and 1346 transitions. [2018-12-08 17:07:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1346 transitions. [2018-12-08 17:07:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 17:07:17,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 17:07:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1134 states and 1385 transitions. [2018-12-08 17:07:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1385 transitions. [2018-12-08 17:07:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 17:07:17,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 17:07:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1146 states and 1399 transitions. [2018-12-08 17:07:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1399 transitions. [2018-12-08 17:07:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 17:07:18,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 17:07:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1154 states and 1406 transitions. [2018-12-08 17:07:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1406 transitions. [2018-12-08 17:07:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 17:07:18,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 17:07:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1158 states and 1410 transitions. [2018-12-08 17:07:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1410 transitions. [2018-12-08 17:07:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 17:07:19,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:07:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1160 states and 1413 transitions. [2018-12-08 17:07:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1413 transitions. [2018-12-08 17:07:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 17:07:19,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1189 states and 1442 transitions. [2018-12-08 17:07:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1442 transitions. [2018-12-08 17:07:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 17:07:19,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:07:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1191 states and 1444 transitions. [2018-12-08 17:07:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1444 transitions. [2018-12-08 17:07:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 17:07:19,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1201 states and 1460 transitions. [2018-12-08 17:07:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1460 transitions. [2018-12-08 17:07:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 17:07:21,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:07:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1202 states and 1461 transitions. [2018-12-08 17:07:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1461 transitions. [2018-12-08 17:07:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 17:07:21,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1238 states and 1497 transitions. [2018-12-08 17:07:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1497 transitions. [2018-12-08 17:07:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 17:07:24,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1248 states and 1514 transitions. [2018-12-08 17:07:25,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1514 transitions. [2018-12-08 17:07:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 17:07:25,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 17:07:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1249 states and 1515 transitions. [2018-12-08 17:07:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1515 transitions. [2018-12-08 17:07:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 17:07:25,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1250 states and 1515 transitions. [2018-12-08 17:07:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1515 transitions. [2018-12-08 17:07:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 17:07:25,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 17:07:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1266 states and 1536 transitions. [2018-12-08 17:07:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1536 transitions. [2018-12-08 17:07:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 17:07:26,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1314 states and 1585 transitions. [2018-12-08 17:07:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1585 transitions. [2018-12-08 17:07:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 17:07:29,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1316 states and 1586 transitions. [2018-12-08 17:07:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1586 transitions. [2018-12-08 17:07:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 17:07:29,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 17:07:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1345 states and 1622 transitions. [2018-12-08 17:07:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1622 transitions. [2018-12-08 17:07:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 17:07:31,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:07:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1387 states and 1670 transitions. [2018-12-08 17:07:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1670 transitions. [2018-12-08 17:07:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 17:07:34,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1413 states and 1696 transitions. [2018-12-08 17:07:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1696 transitions. [2018-12-08 17:07:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 17:07:34,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 17:07:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1428 states and 1717 transitions. [2018-12-08 17:07:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1717 transitions. [2018-12-08 17:07:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 17:07:34,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1459 states and 1753 transitions. [2018-12-08 17:07:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1753 transitions. [2018-12-08 17:07:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 17:07:34,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:36,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1491 states and 1787 transitions. [2018-12-08 17:07:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1787 transitions. [2018-12-08 17:07:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 17:07:36,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:07:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1498 states and 1795 transitions. [2018-12-08 17:07:36,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1795 transitions. [2018-12-08 17:07:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:36,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1499 states and 1795 transitions. [2018-12-08 17:07:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1795 transitions. [2018-12-08 17:07:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:37,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1561 states and 1861 transitions. [2018-12-08 17:07:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1861 transitions. [2018-12-08 17:07:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:38,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1574 states and 1873 transitions. [2018-12-08 17:07:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1873 transitions. [2018-12-08 17:07:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:39,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1604 states and 1902 transitions. [2018-12-08 17:07:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1902 transitions. [2018-12-08 17:07:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:39,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1622 states and 1919 transitions. [2018-12-08 17:07:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1919 transitions. [2018-12-08 17:07:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:40,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1651 states and 1955 transitions. [2018-12-08 17:07:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1955 transitions. [2018-12-08 17:07:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:41,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1652 states and 1958 transitions. [2018-12-08 17:07:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1958 transitions. [2018-12-08 17:07:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:41,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1667 states and 1977 transitions. [2018-12-08 17:07:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1977 transitions. [2018-12-08 17:07:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:43,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1670 states and 1980 transitions. [2018-12-08 17:07:43,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 1980 transitions. [2018-12-08 17:07:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:07:43,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:07:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1673 states and 1983 transitions. [2018-12-08 17:07:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 1983 transitions. [2018-12-08 17:07:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 17:07:43,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 17:07:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1690 states and 2000 transitions. [2018-12-08 17:07:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2000 transitions. [2018-12-08 17:07:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 17:07:44,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1691 states and 2000 transitions. [2018-12-08 17:07:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2000 transitions. [2018-12-08 17:07:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 17:07:44,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1695 states and 2005 transitions. [2018-12-08 17:07:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2005 transitions. [2018-12-08 17:07:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 17:07:44,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:07:44,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:44,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1698 states and 2008 transitions. [2018-12-08 17:07:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2008 transitions. [2018-12-08 17:07:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 17:07:44,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 17:07:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:46,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1716 states and 2027 transitions. [2018-12-08 17:07:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2027 transitions. [2018-12-08 17:07:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 17:07:46,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1754 states and 2066 transitions. [2018-12-08 17:07:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2066 transitions. [2018-12-08 17:07:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 17:07:47,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 1756 states and 2069 transitions. [2018-12-08 17:07:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2069 transitions. [2018-12-08 17:07:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 17:07:47,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 17:07:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 1757 states and 2069 transitions. [2018-12-08 17:07:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2069 transitions. [2018-12-08 17:07:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-08 17:07:47,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 123 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-08 17:07:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1825 states and 2145 transitions. [2018-12-08 17:07:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2145 transitions. [2018-12-08 17:07:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 17:07:49,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 17:07:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1880 states and 2201 transitions. [2018-12-08 17:07:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2201 transitions. [2018-12-08 17:07:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 17:07:50,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 17:07:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 1912 states and 2232 transitions. [2018-12-08 17:07:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2232 transitions. [2018-12-08 17:07:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 17:07:50,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 150 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 17:07:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1918 states and 2240 transitions. [2018-12-08 17:07:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2240 transitions. [2018-12-08 17:07:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 17:07:51,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 150 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 17:07:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1919 states and 2241 transitions. [2018-12-08 17:07:52,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2241 transitions. [2018-12-08 17:07:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 17:07:52,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 150 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 17:07:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1920 states and 2242 transitions. [2018-12-08 17:07:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2242 transitions. [2018-12-08 17:07:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 17:07:52,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 17:07:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:07:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1993 states and 2320 transitions. [2018-12-08 17:07:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2320 transitions. [2018-12-08 17:07:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-08 17:07:58,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:07:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:07:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 17:08:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2027 states and 2352 transitions. [2018-12-08 17:08:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2352 transitions. [2018-12-08 17:08:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 17:08:00,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:08:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2090 states and 2420 transitions. [2018-12-08 17:08:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2420 transitions. [2018-12-08 17:08:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 17:08:02,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:08:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2105 states and 2433 transitions. [2018-12-08 17:08:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2433 transitions. [2018-12-08 17:08:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 17:08:03,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:08:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2106 states and 2433 transitions. [2018-12-08 17:08:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2433 transitions. [2018-12-08 17:08:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 17:08:04,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 17:08:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2112 states and 2442 transitions. [2018-12-08 17:08:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2442 transitions. [2018-12-08 17:08:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 17:08:04,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 17:08:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2122 states and 2451 transitions. [2018-12-08 17:08:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2451 transitions. [2018-12-08 17:08:05,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 17:08:05,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:08:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2153 states and 2482 transitions. [2018-12-08 17:08:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2482 transitions. [2018-12-08 17:08:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 17:08:06,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 17:08:12,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2182 states and 2513 transitions. [2018-12-08 17:08:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2513 transitions. [2018-12-08 17:08:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 17:08:12,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 17:08:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2240 states and 2575 transitions. [2018-12-08 17:08:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2575 transitions. [2018-12-08 17:08:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 17:08:13,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 17:08:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2271 states and 2607 transitions. [2018-12-08 17:08:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2607 transitions. [2018-12-08 17:08:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 17:08:15,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 17:08:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2277 states and 2612 transitions. [2018-12-08 17:08:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2612 transitions. [2018-12-08 17:08:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 17:08:16,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:08:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2281 states and 2619 transitions. [2018-12-08 17:08:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2619 transitions. [2018-12-08 17:08:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 17:08:16,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:08:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2282 states and 2619 transitions. [2018-12-08 17:08:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2619 transitions. [2018-12-08 17:08:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 17:08:16,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 17:08:16,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2283 states and 2619 transitions. [2018-12-08 17:08:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2619 transitions. [2018-12-08 17:08:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 17:08:16,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:08:24,195 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-12-08 17:08:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2351 states and 2694 transitions. [2018-12-08 17:08:31,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2694 transitions. [2018-12-08 17:08:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 17:08:31,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:08:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2391 states and 2734 transitions. [2018-12-08 17:08:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2734 transitions. [2018-12-08 17:08:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 17:08:37,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 17:08:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2394 states and 2737 transitions. [2018-12-08 17:08:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 2737 transitions. [2018-12-08 17:08:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-08 17:08:40,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:08:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2452 states and 2797 transitions. [2018-12-08 17:08:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 2797 transitions. [2018-12-08 17:08:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-08 17:08:45,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 17:08:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2514 states and 2858 transitions. [2018-12-08 17:08:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2858 transitions. [2018-12-08 17:08:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 17:08:50,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 17:08:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2518 states and 2862 transitions. [2018-12-08 17:08:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2862 transitions. [2018-12-08 17:08:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-08 17:08:51,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 17:08:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2555 states and 2902 transitions. [2018-12-08 17:08:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 2902 transitions. [2018-12-08 17:08:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-08 17:08:52,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 17:08:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2556 states and 2902 transitions. [2018-12-08 17:08:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 2902 transitions. [2018-12-08 17:08:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 17:08:52,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-08 17:08:53,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:53,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2635 states and 2984 transitions. [2018-12-08 17:08:53,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 2984 transitions. [2018-12-08 17:08:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 17:08:53,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 17:08:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2699 states and 3059 transitions. [2018-12-08 17:08:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3059 transitions. [2018-12-08 17:08:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 17:08:55,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 17:08:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2718 states and 3080 transitions. [2018-12-08 17:08:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3080 transitions. [2018-12-08 17:08:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 17:08:56,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 344 proven. 10 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 17:08:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2724 states and 3086 transitions. [2018-12-08 17:08:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3086 transitions. [2018-12-08 17:08:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 17:08:56,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 344 proven. 10 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 17:08:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 2727 states and 3088 transitions. [2018-12-08 17:08:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3088 transitions. [2018-12-08 17:08:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-08 17:08:57,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 336 proven. 3 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 17:08:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 2734 states and 3095 transitions. [2018-12-08 17:08:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3095 transitions. [2018-12-08 17:08:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 17:08:57,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 17:08:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 2744 states and 3108 transitions. [2018-12-08 17:08:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3108 transitions. [2018-12-08 17:08:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 17:08:58,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 17:08:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 2749 states and 3115 transitions. [2018-12-08 17:08:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3115 transitions. [2018-12-08 17:08:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 17:08:59,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 17:08:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:08:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 2750 states and 3116 transitions. [2018-12-08 17:08:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3116 transitions. [2018-12-08 17:08:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 17:08:59,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:08:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:08:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 343 proven. 15 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 17:09:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2753 states and 3119 transitions. [2018-12-08 17:09:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3119 transitions. [2018-12-08 17:09:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 17:09:00,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 17:09:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:02,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 2762 states and 3132 transitions. [2018-12-08 17:09:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3132 transitions. [2018-12-08 17:09:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 17:09:02,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 17:09:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 2763 states and 3132 transitions. [2018-12-08 17:09:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3132 transitions. [2018-12-08 17:09:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 17:09:02,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 17:09:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2769 states and 3138 transitions. [2018-12-08 17:09:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3138 transitions. [2018-12-08 17:09:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 17:09:02,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 17:09:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2775 states and 3145 transitions. [2018-12-08 17:09:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3145 transitions. [2018-12-08 17:09:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 17:09:03,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 17:09:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2776 states and 3145 transitions. [2018-12-08 17:09:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3145 transitions. [2018-12-08 17:09:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 17:09:03,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 354 proven. 6 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-08 17:09:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2777 states and 3145 transitions. [2018-12-08 17:09:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3145 transitions. [2018-12-08 17:09:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 17:09:03,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-08 17:09:08,012 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-12-08 17:09:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 2835 states and 3206 transitions. [2018-12-08 17:09:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3206 transitions. [2018-12-08 17:09:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 17:09:13,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-08 17:09:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 2836 states and 3205 transitions. [2018-12-08 17:09:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3205 transitions. [2018-12-08 17:09:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 17:09:14,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-12-08 17:09:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 2822 states and 3190 transitions. [2018-12-08 17:09:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3190 transitions. [2018-12-08 17:09:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-08 17:09:15,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 17:09:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2841 states and 3209 transitions. [2018-12-08 17:09:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3209 transitions. [2018-12-08 17:09:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-08 17:09:19,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 17:09:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 2893 states and 3261 transitions. [2018-12-08 17:09:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3261 transitions. [2018-12-08 17:09:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-12-08 17:09:22,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 17:09:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 2927 states and 3294 transitions. [2018-12-08 17:09:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3294 transitions. [2018-12-08 17:09:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-08 17:09:25,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 410 proven. 28 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-08 17:09:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 2947 states and 3322 transitions. [2018-12-08 17:09:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3322 transitions. [2018-12-08 17:09:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 17:09:29,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-08 17:09:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 2953 states and 3331 transitions. [2018-12-08 17:09:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3331 transitions. [2018-12-08 17:09:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-08 17:09:31,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-12-08 17:09:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 2958 states and 3336 transitions. [2018-12-08 17:09:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3336 transitions. [2018-12-08 17:09:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-12-08 17:09:32,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 431 proven. 42 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-12-08 17:09:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 2965 states and 3347 transitions. [2018-12-08 17:09:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3347 transitions. [2018-12-08 17:09:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 17:09:34,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-12-08 17:09:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 2985 states and 3375 transitions. [2018-12-08 17:09:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3375 transitions. [2018-12-08 17:09:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 17:09:35,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-12-08 17:09:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 2989 states and 3381 transitions. [2018-12-08 17:09:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3381 transitions. [2018-12-08 17:09:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-12-08 17:09:35,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-12-08 17:09:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3005 states and 3399 transitions. [2018-12-08 17:09:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3399 transitions. [2018-12-08 17:09:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 17:09:37,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-08 17:09:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3017 states and 3410 transitions. [2018-12-08 17:09:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3410 transitions. [2018-12-08 17:09:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 17:09:41,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-08 17:09:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 3071 states and 3471 transitions. [2018-12-08 17:09:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3471 transitions. [2018-12-08 17:09:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 17:09:42,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-08 17:09:43,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3075 states and 3475 transitions. [2018-12-08 17:09:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3475 transitions. [2018-12-08 17:09:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 17:09:43,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-08 17:09:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3091 states and 3492 transitions. [2018-12-08 17:09:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3492 transitions. [2018-12-08 17:09:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 17:09:43,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-08 17:09:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3107 states and 3509 transitions. [2018-12-08 17:09:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 3509 transitions. [2018-12-08 17:09:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-12-08 17:09:46,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-08 17:09:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3109 states and 3510 transitions. [2018-12-08 17:09:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3510 transitions. [2018-12-08 17:09:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-12-08 17:09:47,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-08 17:09:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3131 states and 3533 transitions. [2018-12-08 17:09:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3533 transitions. [2018-12-08 17:09:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-12-08 17:09:48,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-08 17:09:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3135 states and 3537 transitions. [2018-12-08 17:09:48,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3537 transitions. [2018-12-08 17:09:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 17:09:48,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3139 states and 3545 transitions. [2018-12-08 17:09:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3545 transitions. [2018-12-08 17:09:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 17:09:49,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3144 states and 3549 transitions. [2018-12-08 17:09:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 3549 transitions. [2018-12-08 17:09:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 17:09:49,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3145 states and 3549 transitions. [2018-12-08 17:09:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 3549 transitions. [2018-12-08 17:09:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 17:09:50,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3146 states and 3549 transitions. [2018-12-08 17:09:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3549 transitions. [2018-12-08 17:09:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 17:09:50,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 475 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3147 states and 3549 transitions. [2018-12-08 17:09:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3147 states and 3549 transitions. [2018-12-08 17:09:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:09:51,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 3195 states and 3599 transitions. [2018-12-08 17:09:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 3599 transitions. [2018-12-08 17:09:53,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:09:53,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3203 states and 3612 transitions. [2018-12-08 17:09:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3612 transitions. [2018-12-08 17:09:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:09:55,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:09:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:09:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3215 states and 3628 transitions. [2018-12-08 17:09:56,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 3628 transitions. [2018-12-08 17:09:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:09:56,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:09:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:09:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3667 states to 3247 states and 3667 transitions. [2018-12-08 17:10:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3667 transitions. [2018-12-08 17:10:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:02,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3261 states and 3679 transitions. [2018-12-08 17:10:03,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 3679 transitions. [2018-12-08 17:10:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:03,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3264 states and 3681 transitions. [2018-12-08 17:10:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3681 transitions. [2018-12-08 17:10:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:04,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3267 states and 3684 transitions. [2018-12-08 17:10:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 3684 transitions. [2018-12-08 17:10:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:04,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3280 states and 3701 transitions. [2018-12-08 17:10:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 3701 transitions. [2018-12-08 17:10:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:05,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3283 states and 3704 transitions. [2018-12-08 17:10:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3704 transitions. [2018-12-08 17:10:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:06,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3286 states and 3707 transitions. [2018-12-08 17:10:07,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 3707 transitions. [2018-12-08 17:10:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-08 17:10:07,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 502 proven. 20 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-08 17:10:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3289 states and 3710 transitions. [2018-12-08 17:10:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 3710 transitions. [2018-12-08 17:10:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 17:10:07,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 17:10:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3290 states and 3710 transitions. [2018-12-08 17:10:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3710 transitions. [2018-12-08 17:10:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 17:10:08,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 17:10:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3300 states and 3719 transitions. [2018-12-08 17:10:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3719 transitions. [2018-12-08 17:10:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 17:10:08,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 17:10:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3312 states and 3728 transitions. [2018-12-08 17:10:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 3728 transitions. [2018-12-08 17:10:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-12-08 17:10:09,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:10:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:10:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 513 proven. 9 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-12-08 17:10:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:10:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2911 states and 3263 transitions. [2018-12-08 17:10:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3263 transitions. [2018-12-08 17:10:09,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:10:09,509 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 199 iterations. [2018-12-08 17:10:09,514 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 17:10:09,717 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2018-12-08 17:10:10,042 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-12-08 17:10:10,264 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2018-12-08 17:10:10,379 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 19 [2018-12-08 17:10:10,542 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 19 [2018-12-08 17:10:10,855 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-12-08 17:10:11,045 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-12-08 17:10:11,770 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 19 [2018-12-08 17:10:12,105 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 19 [2018-12-08 17:10:12,299 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-12-08 17:10:12,515 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2018-12-08 17:10:12,890 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 17:10:13,077 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2018-12-08 17:10:13,387 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 43 [2018-12-08 17:10:13,580 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 19 [2018-12-08 17:10:14,111 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 43 [2018-12-08 17:10:14,479 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2018-12-08 17:10:14,734 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2018-12-08 17:10:14,943 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 19 [2018-12-08 17:10:15,059 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 19 [2018-12-08 17:10:15,247 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 19 [2018-12-08 17:10:15,500 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-12-08 17:10:15,605 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 19 [2018-12-08 17:10:15,974 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 19 [2018-12-08 17:10:16,328 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2018-12-08 17:10:16,670 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 19 [2018-12-08 17:10:16,864 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2018-12-08 17:10:17,243 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 19 [2018-12-08 17:10:17,350 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 19 [2018-12-08 17:10:17,717 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2018-12-08 17:10:17,982 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 19 [2018-12-08 17:10:17,982 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 17:10:17,984 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-08 17:10:17,989 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-08 17:10:17,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:10:17 ImpRootNode [2018-12-08 17:10:17,989 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:10:17,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:10:17,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:10:17,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:10:17,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:06:41" (3/4) ... [2018-12-08 17:10:17,992 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:10:18,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-08 17:10:18,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 17:10:18,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 17:10:18,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:10:18,065 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01217411-76f7-4bd4-9c6d-d80b046a865d/bin-2019/ukojak/witness.graphml [2018-12-08 17:10:18,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:10:18,065 INFO L168 Benchmark]: Toolchain (without parser) took 218081.56 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 945.3 MB in the beginning and 661.0 MB in the end (delta: 284.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-08 17:10:18,066 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:10:18,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:10:18,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:10:18,066 INFO L168 Benchmark]: Boogie Preprocessor took 28.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:10:18,066 INFO L168 Benchmark]: RCFGBuilder took 1073.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 879.3 MB in the end (delta: 223.1 MB). Peak memory consumption was 223.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:10:18,067 INFO L168 Benchmark]: CodeCheck took 216547.28 ms. Allocated memory was 1.1 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 879.3 MB in the beginning and 702.3 MB in the end (delta: 177.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-08 17:10:18,067 INFO L168 Benchmark]: Witness Printer took 75.58 ms. Allocated memory is still 3.1 GB. Free memory was 702.3 MB in the beginning and 661.0 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:10:18,068 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, 227 locations, 1 error locations. SAFE Result, 208.0s OverallTime, 199 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1858123200 SDtfs, -43970948 SDslu, -1736066880 SDs, 0 SdLazy, 599669788 SolverSat, -392087544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 832.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 282602 GetRequests, 275550 SyntacticMatches, 5418 SemanticMatches, 1634 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031923 ImplicationChecksByTransitivity, 181.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 44351 NumberOfCodeBlocks, 44351 NumberOfCodeBlocksAsserted, 198 NumberOfCheckSat, 44153 ConstructedInterpolants, 0 QuantifiedInterpolants, 39633736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 198 InterpolantComputations, 129 PerfectInterpolantSequences, 57499/58313 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: 553]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a19 == 1 && !(a17 == 9)) || (a19 == 1 && !(a11 == 1))) || (!(a19 == 1) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a19 == 1 && !(a11 == 1)) || (a19 == 1 && !(a17 == 9))) || (!(a19 == 1) && !(a28 == 11)) * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1073.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 879.3 MB in the end (delta: 223.1 MB). Peak memory consumption was 223.1 MB. Max. memory is 11.5 GB. * CodeCheck took 216547.28 ms. Allocated memory was 1.1 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 879.3 MB in the beginning and 702.3 MB in the end (delta: 177.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 75.58 ms. Allocated memory is still 3.1 GB. Free memory was 702.3 MB in the beginning and 661.0 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...