./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_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_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/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 d643ba28d95f16d18742963f1ebc32166d4daeb8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:52:28,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:52:28,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:52:28,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:52:28,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:52:28,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:52:28,268 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:52:28,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:52:28,271 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:52:28,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:52:28,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:52:28,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:52:28,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:52:28,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:52:28,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:52:28,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:52:28,276 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:52:28,277 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:52:28,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:52:28,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:52:28,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:52:28,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:52:28,283 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:52:28,283 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:52:28,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:52:28,284 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:52:28,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:52:28,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:52:28,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:52:28,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:52:28,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:52:28,287 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:52:28,287 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:52:28,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:52:28,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:52:28,288 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:52:28,288 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:52:28,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:52:28,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:52:28,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:52:28,300 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:52:28,301 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:52:28,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:52:28,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:52:28,302 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:52:28,302 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:52:28,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:52:28,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:52:28,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:52:28,302 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:52:28,302 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:52:28,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:52:28,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:52:28,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:52:28,303 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_14188f81-2e1e-40aa-959f-c9c9c2dbde43/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 -> d643ba28d95f16d18742963f1ebc32166d4daeb8 [2018-12-02 18:52:28,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:52:28,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:52:28,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:52:28,339 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:52:28,340 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:52:28,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-12-02 18:52:28,383 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/data/0f2b9cdf0/62059eb26ca14c18ad885c5cab659cc0/FLAG3131dd83b [2018-12-02 18:52:28,855 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:52:28,855 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-12-02 18:52:28,862 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/data/0f2b9cdf0/62059eb26ca14c18ad885c5cab659cc0/FLAG3131dd83b [2018-12-02 18:52:28,871 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/data/0f2b9cdf0/62059eb26ca14c18ad885c5cab659cc0 [2018-12-02 18:52:28,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:52:28,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:52:28,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:52:28,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:52:28,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:52:28,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:52:28" (1/1) ... [2018-12-02 18:52:28,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:28, skipping insertion in model container [2018-12-02 18:52:28,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:52:28" (1/1) ... [2018-12-02 18:52:28,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:52:28,907 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:52:29,077 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:52:29,080 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:52:29,159 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:52:29,169 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:52:29,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29 WrapperNode [2018-12-02 18:52:29,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:52:29,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:52:29,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:52:29,170 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:52:29,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:52:29,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:52:29,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:52:29,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:52:29,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... [2018-12-02 18:52:29,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:52:29,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:52:29,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:52:29,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:52:29,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/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 [2018-12-02 18:52:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:52:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:52:30,244 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:52:30,244 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 18:52:30,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:30 BoogieIcfgContainer [2018-12-02 18:52:30,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:52:30,245 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:52:30,245 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:52:30,255 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:52:30,255 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:30" (1/1) ... [2018-12-02 18:52:30,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:52:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 18:52:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 18:52:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 18:52:30,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-02 18:52:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-02 18:52:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 18:52:30,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:31,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-02 18:52:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-02 18:52:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 18:52:31,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-02 18:52:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-02 18:52:31,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 18:52:31,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:31,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-02 18:52:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-02 18:52:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 18:52:31,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-02 18:52:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-02 18:52:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 18:52:31,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 18:52:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-02 18:52:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-02 18:52:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 18:52:31,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-02 18:52:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-02 18:52:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:52:32,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-02 18:52:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-02 18:52:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:52:32,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-02 18:52:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-02 18:52:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 18:52:32,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-02 18:52:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-02 18:52:32,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 18:52:32,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-02 18:52:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-02 18:52:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 18:52:33,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:33,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-02 18:52:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-02 18:52:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:52:33,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2018-12-02 18:52:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2018-12-02 18:52:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:52:33,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2018-12-02 18:52:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-12-02 18:52:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:52:34,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2018-12-02 18:52:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2018-12-02 18:52:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 18:52:34,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2018-12-02 18:52:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2018-12-02 18:52:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 18:52:34,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2018-12-02 18:52:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2018-12-02 18:52:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:52:35,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:52:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2018-12-02 18:52:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2018-12-02 18:52:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:52:35,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2018-12-02 18:52:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2018-12-02 18:52:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:52:35,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:52:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-12-02 18:52:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-12-02 18:52:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 18:52:35,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2018-12-02 18:52:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2018-12-02 18:52:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 18:52:35,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2018-12-02 18:52:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2018-12-02 18:52:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 18:52:36,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2018-12-02 18:52:37,047 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2018-12-02 18:52:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 18:52:37,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:52:37,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2018-12-02 18:52:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2018-12-02 18:52:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 18:52:37,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:52:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2018-12-02 18:52:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2018-12-02 18:52:37,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 18:52:37,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 342 states and 515 transitions. [2018-12-02 18:52:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 515 transitions. [2018-12-02 18:52:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 18:52:37,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2018-12-02 18:52:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2018-12-02 18:52:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 18:52:37,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:52:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2018-12-02 18:52:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2018-12-02 18:52:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 18:52:37,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2018-12-02 18:52:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2018-12-02 18:52:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 18:52:38,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 18:52:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 461 states and 657 transitions. [2018-12-02 18:52:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 657 transitions. [2018-12-02 18:52:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 18:52:39,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 466 states and 671 transitions. [2018-12-02 18:52:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 671 transitions. [2018-12-02 18:52:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 18:52:39,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 489 states and 708 transitions. [2018-12-02 18:52:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 708 transitions. [2018-12-02 18:52:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 18:52:41,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 490 states and 710 transitions. [2018-12-02 18:52:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 710 transitions. [2018-12-02 18:52:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 18:52:41,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 533 states and 761 transitions. [2018-12-02 18:52:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 761 transitions. [2018-12-02 18:52:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 18:52:42,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:52:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 541 states and 771 transitions. [2018-12-02 18:52:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 771 transitions. [2018-12-02 18:52:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 18:52:43,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 18:52:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 547 states and 778 transitions. [2018-12-02 18:52:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 778 transitions. [2018-12-02 18:52:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 18:52:43,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 555 states and 787 transitions. [2018-12-02 18:52:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 787 transitions. [2018-12-02 18:52:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 18:52:43,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 577 states and 814 transitions. [2018-12-02 18:52:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 814 transitions. [2018-12-02 18:52:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 18:52:44,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2018-12-02 18:52:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2018-12-02 18:52:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:52:44,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:52:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 603 states and 846 transitions. [2018-12-02 18:52:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 846 transitions. [2018-12-02 18:52:45,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:52:45,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:52:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 613 states and 856 transitions. [2018-12-02 18:52:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 856 transitions. [2018-12-02 18:52:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:52:46,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:52:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 631 states and 881 transitions. [2018-12-02 18:52:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 881 transitions. [2018-12-02 18:52:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 18:52:47,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 651 states and 907 transitions. [2018-12-02 18:52:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 907 transitions. [2018-12-02 18:52:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:52:48,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 674 states and 941 transitions. [2018-12-02 18:52:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 941 transitions. [2018-12-02 18:52:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:52:49,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 707 states and 977 transitions. [2018-12-02 18:52:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 977 transitions. [2018-12-02 18:52:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:52:50,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 716 states and 989 transitions. [2018-12-02 18:52:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 989 transitions. [2018-12-02 18:52:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 18:52:51,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 718 states and 990 transitions. [2018-12-02 18:52:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 990 transitions. [2018-12-02 18:52:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 18:52:51,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:52:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 728 states and 1002 transitions. [2018-12-02 18:52:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1002 transitions. [2018-12-02 18:52:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:52:51,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 737 states and 1012 transitions. [2018-12-02 18:52:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1012 transitions. [2018-12-02 18:52:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:52:51,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 745 states and 1019 transitions. [2018-12-02 18:52:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1019 transitions. [2018-12-02 18:52:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 18:52:52,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:52:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 781 states and 1061 transitions. [2018-12-02 18:52:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1061 transitions. [2018-12-02 18:52:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 18:52:53,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:52:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 795 states and 1078 transitions. [2018-12-02 18:52:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1078 transitions. [2018-12-02 18:52:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 18:52:54,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:52:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 796 states and 1079 transitions. [2018-12-02 18:52:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1079 transitions. [2018-12-02 18:52:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:52:54,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 814 states and 1103 transitions. [2018-12-02 18:52:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1103 transitions. [2018-12-02 18:52:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:52:54,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 824 states and 1116 transitions. [2018-12-02 18:52:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1116 transitions. [2018-12-02 18:52:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:52:55,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 831 states and 1122 transitions. [2018-12-02 18:52:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1122 transitions. [2018-12-02 18:52:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:52:55,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 18:52:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 846 states and 1137 transitions. [2018-12-02 18:52:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1137 transitions. [2018-12-02 18:52:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 18:52:55,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 861 states and 1156 transitions. [2018-12-02 18:52:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1156 transitions. [2018-12-02 18:52:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:52:56,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 18:52:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 876 states and 1172 transitions. [2018-12-02 18:52:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1172 transitions. [2018-12-02 18:52:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:52:56,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 877 states and 1173 transitions. [2018-12-02 18:52:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1173 transitions. [2018-12-02 18:52:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:52:56,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:52:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 886 states and 1182 transitions. [2018-12-02 18:52:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1182 transitions. [2018-12-02 18:52:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 18:52:57,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:52:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 894 states and 1189 transitions. [2018-12-02 18:52:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2018-12-02 18:52:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 18:52:57,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:52:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 903 states and 1198 transitions. [2018-12-02 18:52:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1198 transitions. [2018-12-02 18:52:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 18:52:57,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 18:52:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 915 states and 1211 transitions. [2018-12-02 18:52:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1211 transitions. [2018-12-02 18:52:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 18:52:57,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 18:52:58,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 933 states and 1229 transitions. [2018-12-02 18:52:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1229 transitions. [2018-12-02 18:52:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 18:52:58,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:52:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:52:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:52:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 961 states and 1262 transitions. [2018-12-02 18:52:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1262 transitions. [2018-12-02 18:52:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 18:52:59,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:52:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:53:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 982 states and 1285 transitions. [2018-12-02 18:53:02,388 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1285 transitions. [2018-12-02 18:53:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 18:53:02,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:53:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 985 states and 1288 transitions. [2018-12-02 18:53:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1288 transitions. [2018-12-02 18:53:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 18:53:02,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:53:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 997 states and 1302 transitions. [2018-12-02 18:53:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1302 transitions. [2018-12-02 18:53:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 18:53:03,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:53:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 998 states and 1303 transitions. [2018-12-02 18:53:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1303 transitions. [2018-12-02 18:53:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 18:53:03,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:53:06,529 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 18:53:08,001 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 18:53:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1063 states and 1369 transitions. [2018-12-02 18:53:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1369 transitions. [2018-12-02 18:53:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 18:53:10,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 18:53:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1088 states and 1403 transitions. [2018-12-02 18:53:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1403 transitions. [2018-12-02 18:53:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 18:53:13,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:53:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1097 states and 1412 transitions. [2018-12-02 18:53:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1412 transitions. [2018-12-02 18:53:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 18:53:14,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:53:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1147 states and 1464 transitions. [2018-12-02 18:53:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1464 transitions. [2018-12-02 18:53:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 18:53:15,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:53:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1166 states and 1482 transitions. [2018-12-02 18:53:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1482 transitions. [2018-12-02 18:53:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 18:53:16,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:53:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1169 states and 1484 transitions. [2018-12-02 18:53:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1484 transitions. [2018-12-02 18:53:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 18:53:16,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 18:53:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1193 states and 1512 transitions. [2018-12-02 18:53:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1512 transitions. [2018-12-02 18:53:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 18:53:17,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 18:53:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1218 states and 1546 transitions. [2018-12-02 18:53:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1546 transitions. [2018-12-02 18:53:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 18:53:20,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:53:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1238 states and 1566 transitions. [2018-12-02 18:53:21,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1566 transitions. [2018-12-02 18:53:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 18:53:21,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 18:53:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1263 states and 1591 transitions. [2018-12-02 18:53:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1591 transitions. [2018-12-02 18:53:22,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 18:53:22,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 18:53:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1274 states and 1617 transitions. [2018-12-02 18:53:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1617 transitions. [2018-12-02 18:53:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 18:53:25,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 18:53:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1275 states and 1619 transitions. [2018-12-02 18:53:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1619 transitions. [2018-12-02 18:53:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 18:53:25,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 18:53:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1276 states and 1622 transitions. [2018-12-02 18:53:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1622 transitions. [2018-12-02 18:53:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:25,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1314 states and 1667 transitions. [2018-12-02 18:53:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1667 transitions. [2018-12-02 18:53:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:29,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1342 states and 1701 transitions. [2018-12-02 18:53:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1701 transitions. [2018-12-02 18:53:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:31,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1348 states and 1708 transitions. [2018-12-02 18:53:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1708 transitions. [2018-12-02 18:53:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:32,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1350 states and 1713 transitions. [2018-12-02 18:53:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1713 transitions. [2018-12-02 18:53:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:32,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1354 states and 1718 transitions. [2018-12-02 18:53:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1718 transitions. [2018-12-02 18:53:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:33,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1365 states and 1730 transitions. [2018-12-02 18:53:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1730 transitions. [2018-12-02 18:53:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:33,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1380 states and 1746 transitions. [2018-12-02 18:53:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1746 transitions. [2018-12-02 18:53:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:34,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1395 states and 1764 transitions. [2018-12-02 18:53:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1764 transitions. [2018-12-02 18:53:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:36,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:53:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1396 states and 1765 transitions. [2018-12-02 18:53:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1765 transitions. [2018-12-02 18:53:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 18:53:36,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 18:53:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1437 states and 1809 transitions. [2018-12-02 18:53:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1809 transitions. [2018-12-02 18:53:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 18:53:37,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 18:53:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1438 states and 1810 transitions. [2018-12-02 18:53:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1810 transitions. [2018-12-02 18:53:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 18:53:37,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:53:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1455 states and 1835 transitions. [2018-12-02 18:53:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1835 transitions. [2018-12-02 18:53:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 18:53:38,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:53:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1470 states and 1850 transitions. [2018-12-02 18:53:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1850 transitions. [2018-12-02 18:53:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 18:53:39,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:53:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1481 states and 1861 transitions. [2018-12-02 18:53:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1861 transitions. [2018-12-02 18:53:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 18:53:39,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:53:41,837 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-02 18:53:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1489 states and 1870 transitions. [2018-12-02 18:53:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1870 transitions. [2018-12-02 18:53:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 18:53:43,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 18:53:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1507 states and 1892 transitions. [2018-12-02 18:53:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1892 transitions. [2018-12-02 18:53:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 18:53:45,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 18:53:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1518 states and 1903 transitions. [2018-12-02 18:53:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1903 transitions. [2018-12-02 18:53:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 18:53:47,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 18:53:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1524 states and 1908 transitions. [2018-12-02 18:53:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1908 transitions. [2018-12-02 18:53:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 18:53:48,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-02 18:53:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1594 states and 1984 transitions. [2018-12-02 18:53:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1984 transitions. [2018-12-02 18:53:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 18:53:49,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:53:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:53:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1642 states and 2032 transitions. [2018-12-02 18:53:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2032 transitions. [2018-12-02 18:53:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:53:54,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:53:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:53:55,406 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 18:53:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:54:06,926 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 18:54:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1698 states and 2093 transitions. [2018-12-02 18:54:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2093 transitions. [2018-12-02 18:54:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:54:13,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:54:16,028 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-12-02 18:54:18,458 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 18:54:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1724 states and 2121 transitions. [2018-12-02 18:54:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2121 transitions. [2018-12-02 18:54:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:54:20,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:20,489 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:54:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:24,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1743 states and 2140 transitions. [2018-12-02 18:54:24,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2140 transitions. [2018-12-02 18:54:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 18:54:24,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 18:54:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1745 states and 2142 transitions. [2018-12-02 18:54:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2142 transitions. [2018-12-02 18:54:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 18:54:24,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:54:28,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1755 states and 2154 transitions. [2018-12-02 18:54:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2154 transitions. [2018-12-02 18:54:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 18:54:28,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 18:54:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1758 states and 2158 transitions. [2018-12-02 18:54:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2158 transitions. [2018-12-02 18:54:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 18:54:29,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 18:54:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1763 states and 2168 transitions. [2018-12-02 18:54:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2168 transitions. [2018-12-02 18:54:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 18:54:29,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 18:54:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1787 states and 2197 transitions. [2018-12-02 18:54:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2197 transitions. [2018-12-02 18:54:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 18:54:31,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 18:54:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1798 states and 2208 transitions. [2018-12-02 18:54:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2208 transitions. [2018-12-02 18:54:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 18:54:31,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 18:54:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1799 states and 2208 transitions. [2018-12-02 18:54:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2208 transitions. [2018-12-02 18:54:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 18:54:31,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:54:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-02 18:54:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:54:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1736 states and 2143 transitions. [2018-12-02 18:54:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2143 transitions. [2018-12-02 18:54:32,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:54:32,137 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 115 iterations. [2018-12-02 18:54:32,143 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 18:54:33,368 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-12-02 18:54:35,485 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 11 [2018-12-02 18:54:35,713 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2018-12-02 18:54:35,997 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 11 [2018-12-02 18:54:36,350 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 11 [2018-12-02 18:54:36,350 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:54:36,352 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 18:54:36,356 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 18:54:36,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:54:36 ImpRootNode [2018-12-02 18:54:36,357 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:54:36,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:54:36,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:54:36,357 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:54:36,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:30" (3/4) ... [2018-12-02 18:54:36,359 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:54:36,369 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 18:54:36,369 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 18:54:36,370 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 18:54:36,370 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 18:54:36,429 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_14188f81-2e1e-40aa-959f-c9c9c2dbde43/bin-2019/ukojak/witness.graphml [2018-12-02 18:54:36,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:54:36,430 INFO L168 Benchmark]: Toolchain (without parser) took 127556.44 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 945.2 MB in the beginning and 1.7 GB in the end (delta: -774.9 MB). Peak memory consumption was 309.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:36,431 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:54:36,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:36,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.68 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. [2018-12-02 18:54:36,431 INFO L168 Benchmark]: Boogie Preprocessor took 28.30 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. [2018-12-02 18:54:36,431 INFO L168 Benchmark]: RCFGBuilder took 1007.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 886.8 MB in the end (delta: 204.7 MB). Peak memory consumption was 204.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:36,431 INFO L168 Benchmark]: CodeCheck took 126111.25 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 964.7 MB). Free memory was 884.1 MB in the beginning and 1.7 GB in the end (delta: -858.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-02 18:54:36,432 INFO L168 Benchmark]: Witness Printer took 72.88 ms. Allocated memory is still 2.1 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:36,433 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, 198 locations, 1 error locations. SAFE Result, 121.8s OverallTime, 115 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2248928 SDtfs, 1737547818 SDslu, 13489728 SDs, 0 SdLazy, -1949191386 SolverSat, -1794292440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 313.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111596 GetRequests, 108738 SyntacticMatches, 1714 SemanticMatches, 1144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914028 ImplicationChecksByTransitivity, 107.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 15620 NumberOfCodeBlocks, 15620 NumberOfCodeBlocksAsserted, 114 NumberOfCheckSat, 15506 ConstructedInterpolants, 0 QuantifiedInterpolants, 11221091 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 114 InterpolantComputations, 97 PerfectInterpolantSequences, 10447/10551 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: 557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.68 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 28.30 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. * RCFGBuilder took 1007.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 886.8 MB in the end (delta: 204.7 MB). Peak memory consumption was 204.7 MB. Max. memory is 11.5 GB. * CodeCheck took 126111.25 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 964.7 MB). Free memory was 884.1 MB in the beginning and 1.7 GB in the end (delta: -858.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 72.88 ms. Allocated memory is still 2.1 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...