./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/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 ccce88d3eff0bd7768fa846786a2b108ea71b0c0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:27:54,953 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:27:54,954 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:27:54,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:27:54,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:27:54,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:27:54,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:27:54,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:27:54,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:27:54,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:27:54,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:27:54,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:27:54,973 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:27:54,974 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:27:54,974 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:27:54,975 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:27:54,976 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:27:54,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:27:54,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:27:54,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:27:54,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:27:54,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:27:54,985 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:27:54,985 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:27:54,985 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:27:54,986 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:27:54,987 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:27:54,988 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:27:54,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:27:54,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:27:54,990 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:27:54,991 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:27:54,991 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:27:54,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:27:54,992 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:27:54,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:27:54,993 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:27:55,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:27:55,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:27:55,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:27:55,004 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:27:55,005 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:27:55,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:27:55,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:27:55,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:27:55,005 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:27:55,005 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:27:55,006 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:27:55,006 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:27:55,007 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:27:55,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:27:55,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:27:55,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:27:55,007 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:27:55,007 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:27:55,007 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:27:55,007 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:27:55,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:27:55,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:27:55,008 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_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/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 -> ccce88d3eff0bd7768fa846786a2b108ea71b0c0 [2018-11-18 15:27:55,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:27:55,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:27:55,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:27:55,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:27:55,049 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:27:55,050 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c [2018-11-18 15:27:55,102 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/data/09d073d8c/257c8763884242f59be6043a0819f0f7/FLAG2d0ecc17f [2018-11-18 15:27:55,510 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:27:55,511 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c [2018-11-18 15:27:55,536 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/data/09d073d8c/257c8763884242f59be6043a0819f0f7/FLAG2d0ecc17f [2018-11-18 15:27:55,545 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/data/09d073d8c/257c8763884242f59be6043a0819f0f7 [2018-11-18 15:27:55,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:27:55,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:27:55,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:27:55,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:27:55,552 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:27:55,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:55,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6654e84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55, skipping insertion in model container [2018-11-18 15:27:55,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:55,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:27:55,597 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:27:55,887 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:27:55,891 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:27:55,982 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:27:55,995 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:27:55,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55 WrapperNode [2018-11-18 15:27:55,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:27:55,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:27:55,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:27:55,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:27:56,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:27:56,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:27:56,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:27:56,094 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:27:56,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... [2018-11-18 15:27:56,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:27:56,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:27:56,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:27:56,137 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:27:56,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:27:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:27:56,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:27:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:27:59,271 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:27:59,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:59 BoogieIcfgContainer [2018-11-18 15:27:59,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:27:59,273 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:27:59,273 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:27:59,284 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:27:59,284 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:59" (1/1) ... [2018-11-18 15:27:59,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:27:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 15:27:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 15:27:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 15:27:59,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:27:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:27:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:28:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 165 states and 278 transitions. [2018-11-18 15:28:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 278 transitions. [2018-11-18 15:28:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:28:00,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:28:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 245 states and 362 transitions. [2018-11-18 15:28:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 362 transitions. [2018-11-18 15:28:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 15:28:01,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:28:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 250 states and 369 transitions. [2018-11-18 15:28:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 369 transitions. [2018-11-18 15:28:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 15:28:01,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:28:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 339 states and 466 transitions. [2018-11-18 15:28:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 466 transitions. [2018-11-18 15:28:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 15:28:03,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:28:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 350 states and 482 transitions. [2018-11-18 15:28:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2018-11-18 15:28:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:28:03,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:28:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 362 states and 497 transitions. [2018-11-18 15:28:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 497 transitions. [2018-11-18 15:28:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:28:04,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:28:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 364 states and 500 transitions. [2018-11-18 15:28:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 500 transitions. [2018-11-18 15:28:04,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 15:28:04,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:28:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 373 states and 509 transitions. [2018-11-18 15:28:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 509 transitions. [2018-11-18 15:28:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 15:28:04,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 395 states and 538 transitions. [2018-11-18 15:28:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 538 transitions. [2018-11-18 15:28:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 15:28:04,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 399 states and 542 transitions. [2018-11-18 15:28:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 542 transitions. [2018-11-18 15:28:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 15:28:05,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:28:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 411 states and 559 transitions. [2018-11-18 15:28:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 559 transitions. [2018-11-18 15:28:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 15:28:05,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:28:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 415 states and 564 transitions. [2018-11-18 15:28:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 564 transitions. [2018-11-18 15:28:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:28:05,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:28:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 416 states and 567 transitions. [2018-11-18 15:28:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 567 transitions. [2018-11-18 15:28:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:28:05,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:28:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 420 states and 572 transitions. [2018-11-18 15:28:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 572 transitions. [2018-11-18 15:28:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:28:05,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:28:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 425 states and 577 transitions. [2018-11-18 15:28:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 577 transitions. [2018-11-18 15:28:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:28:05,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:28:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 429 states and 581 transitions. [2018-11-18 15:28:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 581 transitions. [2018-11-18 15:28:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:28:06,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:28:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 441 states and 600 transitions. [2018-11-18 15:28:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 600 transitions. [2018-11-18 15:28:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:28:06,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:28:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 452 states and 613 transitions. [2018-11-18 15:28:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 613 transitions. [2018-11-18 15:28:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:28:07,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 483 states and 653 transitions. [2018-11-18 15:28:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 653 transitions. [2018-11-18 15:28:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 15:28:08,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 506 states and 678 transitions. [2018-11-18 15:28:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 678 transitions. [2018-11-18 15:28:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:28:08,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 537 states and 720 transitions. [2018-11-18 15:28:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 720 transitions. [2018-11-18 15:28:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:28:10,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 541 states and 726 transitions. [2018-11-18 15:28:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 726 transitions. [2018-11-18 15:28:10,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:28:10,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 548 states and 734 transitions. [2018-11-18 15:28:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 734 transitions. [2018-11-18 15:28:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:28:11,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 557 states and 744 transitions. [2018-11-18 15:28:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 744 transitions. [2018-11-18 15:28:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:28:12,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 561 states and 748 transitions. [2018-11-18 15:28:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 748 transitions. [2018-11-18 15:28:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 15:28:12,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 569 states and 756 transitions. [2018-11-18 15:28:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 756 transitions. [2018-11-18 15:28:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:28:12,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 588 states and 777 transitions. [2018-11-18 15:28:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 777 transitions. [2018-11-18 15:28:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 15:28:12,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:13,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 593 states and 784 transitions. [2018-11-18 15:28:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 784 transitions. [2018-11-18 15:28:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:28:13,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:28:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 597 states and 787 transitions. [2018-11-18 15:28:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 787 transitions. [2018-11-18 15:28:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:28:13,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 608 states and 798 transitions. [2018-11-18 15:28:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 798 transitions. [2018-11-18 15:28:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:28:13,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 612 states and 804 transitions. [2018-11-18 15:28:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 804 transitions. [2018-11-18 15:28:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:28:13,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:13,816 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:13,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 635 states and 827 transitions. [2018-11-18 15:28:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 827 transitions. [2018-11-18 15:28:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 15:28:13,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 648 states and 841 transitions. [2018-11-18 15:28:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 841 transitions. [2018-11-18 15:28:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 15:28:14,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 674 states and 876 transitions. [2018-11-18 15:28:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 876 transitions. [2018-11-18 15:28:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 15:28:15,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:15,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 688 states and 891 transitions. [2018-11-18 15:28:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 891 transitions. [2018-11-18 15:28:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 15:28:15,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 692 states and 895 transitions. [2018-11-18 15:28:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 895 transitions. [2018-11-18 15:28:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 15:28:15,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 711 states and 914 transitions. [2018-11-18 15:28:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 914 transitions. [2018-11-18 15:28:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 15:28:15,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 753 states and 963 transitions. [2018-11-18 15:28:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 963 transitions. [2018-11-18 15:28:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 15:28:17,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 755 states and 965 transitions. [2018-11-18 15:28:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 965 transitions. [2018-11-18 15:28:17,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:28:17,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:28:17,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 756 states and 967 transitions. [2018-11-18 15:28:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 967 transitions. [2018-11-18 15:28:17,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:28:17,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:28:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 760 states and 971 transitions. [2018-11-18 15:28:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 971 transitions. [2018-11-18 15:28:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:28:18,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 765 states and 976 transitions. [2018-11-18 15:28:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 976 transitions. [2018-11-18 15:28:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 15:28:18,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 766 states and 977 transitions. [2018-11-18 15:28:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 977 transitions. [2018-11-18 15:28:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 15:28:18,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 15:28:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 767 states and 981 transitions. [2018-11-18 15:28:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 981 transitions. [2018-11-18 15:28:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 15:28:18,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:19,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 796 states and 1013 transitions. [2018-11-18 15:28:19,037 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1013 transitions. [2018-11-18 15:28:19,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 15:28:19,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 805 states and 1023 transitions. [2018-11-18 15:28:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1023 transitions. [2018-11-18 15:28:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 15:28:19,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 840 states and 1062 transitions. [2018-11-18 15:28:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1062 transitions. [2018-11-18 15:28:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 15:28:20,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 859 states and 1083 transitions. [2018-11-18 15:28:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1083 transitions. [2018-11-18 15:28:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 15:28:21,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 860 states and 1085 transitions. [2018-11-18 15:28:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1085 transitions. [2018-11-18 15:28:21,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 15:28:21,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 879 states and 1107 transitions. [2018-11-18 15:28:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1107 transitions. [2018-11-18 15:28:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 15:28:21,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 883 states and 1110 transitions. [2018-11-18 15:28:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1110 transitions. [2018-11-18 15:28:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 15:28:21,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 888 states and 1116 transitions. [2018-11-18 15:28:22,021 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1116 transitions. [2018-11-18 15:28:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 15:28:22,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 907 states and 1135 transitions. [2018-11-18 15:28:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1135 transitions. [2018-11-18 15:28:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 15:28:22,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 940 states and 1170 transitions. [2018-11-18 15:28:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1170 transitions. [2018-11-18 15:28:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 15:28:22,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 15:28:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 972 states and 1205 transitions. [2018-11-18 15:28:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1205 transitions. [2018-11-18 15:28:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 15:28:23,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 102 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1032 states and 1267 transitions. [2018-11-18 15:28:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1267 transitions. [2018-11-18 15:28:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 15:28:25,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1071 states and 1311 transitions. [2018-11-18 15:28:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1311 transitions. [2018-11-18 15:28:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 15:28:26,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1103 states and 1344 transitions. [2018-11-18 15:28:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1344 transitions. [2018-11-18 15:28:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:28:27,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 15:28:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1174 states and 1414 transitions. [2018-11-18 15:28:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1414 transitions. [2018-11-18 15:28:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:28:30,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 130 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 15:28:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1183 states and 1424 transitions. [2018-11-18 15:28:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1424 transitions. [2018-11-18 15:28:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:28:30,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1200 states and 1452 transitions. [2018-11-18 15:28:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1452 transitions. [2018-11-18 15:28:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:28:31,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1209 states and 1461 transitions. [2018-11-18 15:28:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1461 transitions. [2018-11-18 15:28:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:28:32,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1213 states and 1465 transitions. [2018-11-18 15:28:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1465 transitions. [2018-11-18 15:28:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:28:32,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1224 states and 1479 transitions. [2018-11-18 15:28:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1479 transitions. [2018-11-18 15:28:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:28:33,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 91 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:28:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1252 states and 1511 transitions. [2018-11-18 15:28:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1511 transitions. [2018-11-18 15:28:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 15:28:34,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:28:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1276 states and 1534 transitions. [2018-11-18 15:28:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1534 transitions. [2018-11-18 15:28:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:28:34,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:35,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1312 states and 1571 transitions. [2018-11-18 15:28:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1571 transitions. [2018-11-18 15:28:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:28:35,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:28:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1332 states and 1592 transitions. [2018-11-18 15:28:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1592 transitions. [2018-11-18 15:28:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:28:35,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1365 states and 1630 transitions. [2018-11-18 15:28:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1630 transitions. [2018-11-18 15:28:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:28:36,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1408 states and 1679 transitions. [2018-11-18 15:28:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1679 transitions. [2018-11-18 15:28:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:28:37,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1416 states and 1688 transitions. [2018-11-18 15:28:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1688 transitions. [2018-11-18 15:28:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 15:28:38,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1418 states and 1690 transitions. [2018-11-18 15:28:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1690 transitions. [2018-11-18 15:28:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 15:28:38,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:38,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1420 states and 1693 transitions. [2018-11-18 15:28:38,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1693 transitions. [2018-11-18 15:28:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:28:38,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1432 states and 1707 transitions. [2018-11-18 15:28:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1707 transitions. [2018-11-18 15:28:39,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:28:39,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:28:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1433 states and 1708 transitions. [2018-11-18 15:28:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1708 transitions. [2018-11-18 15:28:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:28:39,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 125 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:28:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1467 states and 1744 transitions. [2018-11-18 15:28:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1744 transitions. [2018-11-18 15:28:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:28:41,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1475 states and 1754 transitions. [2018-11-18 15:28:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1754 transitions. [2018-11-18 15:28:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:28:41,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 188 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:43,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1485 states and 1769 transitions. [2018-11-18 15:28:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1769 transitions. [2018-11-18 15:28:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:28:43,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:28:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1490 states and 1773 transitions. [2018-11-18 15:28:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1773 transitions. [2018-11-18 15:28:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:28:43,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:28:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1563 states and 1847 transitions. [2018-11-18 15:28:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1847 transitions. [2018-11-18 15:28:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:28:47,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:28:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1589 states and 1872 transitions. [2018-11-18 15:28:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1872 transitions. [2018-11-18 15:28:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 15:28:48,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1652 states and 1947 transitions. [2018-11-18 15:28:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1947 transitions. [2018-11-18 15:28:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 15:28:50,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1657 states and 1950 transitions. [2018-11-18 15:28:51,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1950 transitions. [2018-11-18 15:28:51,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 15:28:51,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1687 states and 1979 transitions. [2018-11-18 15:28:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 1979 transitions. [2018-11-18 15:28:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 15:28:52,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 15:28:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1712 states and 2003 transitions. [2018-11-18 15:28:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2003 transitions. [2018-11-18 15:28:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 15:28:52,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 15:28:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1718 states and 2010 transitions. [2018-11-18 15:28:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2010 transitions. [2018-11-18 15:28:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 15:28:53,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:28:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1719 states and 2010 transitions. [2018-11-18 15:28:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2010 transitions. [2018-11-18 15:28:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 15:28:53,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1789 states and 2088 transitions. [2018-11-18 15:28:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2088 transitions. [2018-11-18 15:28:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 15:28:55,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1794 states and 2093 transitions. [2018-11-18 15:28:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2093 transitions. [2018-11-18 15:28:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 15:28:56,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1798 states and 2096 transitions. [2018-11-18 15:28:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2096 transitions. [2018-11-18 15:28:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 15:28:56,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1803 states and 2100 transitions. [2018-11-18 15:28:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2100 transitions. [2018-11-18 15:28:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 15:28:57,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:57,229 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:28:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 1807 states and 2104 transitions. [2018-11-18 15:28:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2104 transitions. [2018-11-18 15:28:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 15:28:57,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 1808 states and 2106 transitions. [2018-11-18 15:28:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2106 transitions. [2018-11-18 15:28:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 15:28:57,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:28:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1812 states and 2110 transitions. [2018-11-18 15:28:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2110 transitions. [2018-11-18 15:28:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 15:28:58,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:28:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1831 states and 2134 transitions. [2018-11-18 15:28:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2134 transitions. [2018-11-18 15:28:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 15:28:59,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:28:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:28:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1835 states and 2138 transitions. [2018-11-18 15:28:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2138 transitions. [2018-11-18 15:28:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 15:28:59,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:28:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 15:29:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1846 states and 2154 transitions. [2018-11-18 15:29:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2154 transitions. [2018-11-18 15:29:00,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 15:29:00,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 15:29:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1856 states and 2165 transitions. [2018-11-18 15:29:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2165 transitions. [2018-11-18 15:29:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 15:29:01,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:29:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1945 states and 2258 transitions. [2018-11-18 15:29:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2258 transitions. [2018-11-18 15:29:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 15:29:07,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:29:08,936 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-11-18 15:29:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2006 states and 2320 transitions. [2018-11-18 15:29:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2320 transitions. [2018-11-18 15:29:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 15:29:12,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:29:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2036 states and 2349 transitions. [2018-11-18 15:29:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2349 transitions. [2018-11-18 15:29:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 15:29:13,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:29:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2106 states and 2419 transitions. [2018-11-18 15:29:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2419 transitions. [2018-11-18 15:29:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 15:29:14,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:29:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2107 states and 2419 transitions. [2018-11-18 15:29:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2419 transitions. [2018-11-18 15:29:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 15:29:14,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:29:17,360 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-11-18 15:29:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:21,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2200 states and 2515 transitions. [2018-11-18 15:29:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2515 transitions. [2018-11-18 15:29:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 15:29:21,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:29:21,894 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-11-18 15:29:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2251 states and 2565 transitions. [2018-11-18 15:29:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2565 transitions. [2018-11-18 15:29:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 15:29:24,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:29:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2277 states and 2590 transitions. [2018-11-18 15:29:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2590 transitions. [2018-11-18 15:29:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 15:29:25,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:29:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2305 states and 2622 transitions. [2018-11-18 15:29:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2622 transitions. [2018-11-18 15:29:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 15:29:28,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:29:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2314 states and 2633 transitions. [2018-11-18 15:29:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2633 transitions. [2018-11-18 15:29:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 15:29:29,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:29:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2318 states and 2637 transitions. [2018-11-18 15:29:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2637 transitions. [2018-11-18 15:29:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 15:29:30,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:29:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2322 states and 2641 transitions. [2018-11-18 15:29:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2641 transitions. [2018-11-18 15:29:31,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 15:29:31,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-11-18 15:29:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2324 states and 2642 transitions. [2018-11-18 15:29:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2642 transitions. [2018-11-18 15:29:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 15:29:31,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 15:29:32,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2344 states and 2663 transitions. [2018-11-18 15:29:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2663 transitions. [2018-11-18 15:29:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 15:29:32,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 15:29:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2355 states and 2674 transitions. [2018-11-18 15:29:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2674 transitions. [2018-11-18 15:29:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:33,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2406 states and 2734 transitions. [2018-11-18 15:29:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2734 transitions. [2018-11-18 15:29:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:35,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2436 states and 2763 transitions. [2018-11-18 15:29:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2763 transitions. [2018-11-18 15:29:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:36,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2472 states and 2799 transitions. [2018-11-18 15:29:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 2799 transitions. [2018-11-18 15:29:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:37,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2473 states and 2800 transitions. [2018-11-18 15:29:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2800 transitions. [2018-11-18 15:29:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:37,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2484 states and 2810 transitions. [2018-11-18 15:29:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2810 transitions. [2018-11-18 15:29:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:37,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2518 states and 2847 transitions. [2018-11-18 15:29:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2847 transitions. [2018-11-18 15:29:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:39,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2527 states and 2855 transitions. [2018-11-18 15:29:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 2855 transitions. [2018-11-18 15:29:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:39,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2548 states and 2875 transitions. [2018-11-18 15:29:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2875 transitions. [2018-11-18 15:29:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:39,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2574 states and 2899 transitions. [2018-11-18 15:29:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 2899 transitions. [2018-11-18 15:29:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 15:29:40,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 171 proven. 8 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 15:29:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2595 states and 2919 transitions. [2018-11-18 15:29:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 2919 transitions. [2018-11-18 15:29:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 15:29:40,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 15:29:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2606 states and 2933 transitions. [2018-11-18 15:29:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 2933 transitions. [2018-11-18 15:29:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 15:29:41,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:29:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2667 states and 2994 transitions. [2018-11-18 15:29:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 2994 transitions. [2018-11-18 15:29:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 15:29:41,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:29:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2672 states and 3000 transitions. [2018-11-18 15:29:42,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3000 transitions. [2018-11-18 15:29:42,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 15:29:42,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:29:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2677 states and 3005 transitions. [2018-11-18 15:29:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3005 transitions. [2018-11-18 15:29:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 15:29:42,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 15:29:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 2683 states and 3010 transitions. [2018-11-18 15:29:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3010 transitions. [2018-11-18 15:29:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 15:29:42,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 15:29:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 2688 states and 3014 transitions. [2018-11-18 15:29:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3014 transitions. [2018-11-18 15:29:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 15:29:42,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 15:29:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:43,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2702 states and 3029 transitions. [2018-11-18 15:29:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3029 transitions. [2018-11-18 15:29:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 15:29:43,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 15:29:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 2731 states and 3063 transitions. [2018-11-18 15:29:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3063 transitions. [2018-11-18 15:29:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 15:29:45,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 15:29:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2735 states and 3067 transitions. [2018-11-18 15:29:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3067 transitions. [2018-11-18 15:29:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 15:29:45,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 15:29:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 2739 states and 3071 transitions. [2018-11-18 15:29:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3071 transitions. [2018-11-18 15:29:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 15:29:46,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 274 proven. 17 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 15:29:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 2773 states and 3112 transitions. [2018-11-18 15:29:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3112 transitions. [2018-11-18 15:29:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 15:29:48,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 274 proven. 17 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 15:29:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 2782 states and 3123 transitions. [2018-11-18 15:29:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3123 transitions. [2018-11-18 15:29:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 15:29:49,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 274 proven. 17 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 15:29:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 2786 states and 3127 transitions. [2018-11-18 15:29:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3127 transitions. [2018-11-18 15:29:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 15:29:50,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 274 proven. 17 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 15:29:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:50,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 2790 states and 3131 transitions. [2018-11-18 15:29:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3131 transitions. [2018-11-18 15:29:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 15:29:50,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 15:29:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2820 states and 3160 transitions. [2018-11-18 15:29:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3160 transitions. [2018-11-18 15:29:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 15:29:51,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 15:29:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2824 states and 3164 transitions. [2018-11-18 15:29:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3164 transitions. [2018-11-18 15:29:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 15:29:51,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 348 proven. 61 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 15:29:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 2870 states and 3218 transitions. [2018-11-18 15:29:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3218 transitions. [2018-11-18 15:29:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 15:29:56,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:30:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:30:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 2942 states and 3302 transitions. [2018-11-18 15:30:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3302 transitions. [2018-11-18 15:30:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 15:30:01,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:30:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:30:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:30:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:30:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3016 states and 3375 transitions. [2018-11-18 15:30:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 3375 transitions. [2018-11-18 15:30:03,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 15:30:03,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:30:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:30:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:30:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:30:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3059 states and 3419 transitions. [2018-11-18 15:30:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 3419 transitions. [2018-11-18 15:30:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 15:30:05,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:30:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:30:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:30:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:30:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3075 states and 3433 transitions. [2018-11-18 15:30:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3433 transitions. [2018-11-18 15:30:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 15:30:05,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:30:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:30:05,838 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:30:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:30:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3133 states and 3489 transitions. [2018-11-18 15:30:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 3489 transitions. [2018-11-18 15:30:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 15:30:06,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:30:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:30:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:30:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:30:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 2771 states and 3087 transitions. [2018-11-18 15:30:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3087 transitions. [2018-11-18 15:30:06,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:30:06,716 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 147 iterations. [2018-11-18 15:30:06,724 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:30:06,846 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:07,088 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:07,248 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:07,470 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 20 [2018-11-18 15:30:07,830 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 20 [2018-11-18 15:30:07,941 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 20 [2018-11-18 15:30:08,489 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-11-18 15:30:08,607 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2018-11-18 15:30:08,716 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2018-11-18 15:30:08,935 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-11-18 15:30:09,049 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 20 [2018-11-18 15:30:09,546 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-11-18 15:30:09,724 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:09,894 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 20 [2018-11-18 15:30:10,223 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2018-11-18 15:30:10,477 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 20 [2018-11-18 15:30:10,788 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-11-18 15:30:10,932 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:11,194 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2018-11-18 15:30:11,496 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:11,955 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-11-18 15:30:12,056 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2018-11-18 15:30:12,227 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2018-11-18 15:30:12,550 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2018-11-18 15:30:12,661 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-11-18 15:30:12,853 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 20 [2018-11-18 15:30:13,028 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-11-18 15:30:13,202 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 20 [2018-11-18 15:30:13,303 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 20 [2018-11-18 15:30:13,468 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-11-18 15:30:13,702 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 45 [2018-11-18 15:30:13,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:30:13,910 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 15:30:13,916 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 15:30:13,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:30:13 ImpRootNode [2018-11-18 15:30:13,917 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:30:13,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:30:13,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:30:13,918 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:30:13,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:59" (3/4) ... [2018-11-18 15:30:13,922 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:30:13,939 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 15:30:13,940 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 15:30:13,941 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 15:30:13,942 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:30:14,030 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea0d4345-586d-4c7d-9fea-3ed4757d0e81/bin-2019/ukojak/witness.graphml [2018-11-18 15:30:14,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:30:14,031 INFO L168 Benchmark]: Toolchain (without parser) took 138483.39 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 950.4 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 654.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:30:14,031 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:30:14,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.67 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:30:14,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 920.7 MB in the beginning and 1.2 GB in the end (delta: -248.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:30:14,032 INFO L168 Benchmark]: Boogie Preprocessor took 42.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:30:14,032 INFO L168 Benchmark]: RCFGBuilder took 3135.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.3 MB in the end (delta: 242.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:30:14,032 INFO L168 Benchmark]: CodeCheck took 134644.45 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 920.3 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-18 15:30:14,033 INFO L168 Benchmark]: Witness Printer took 112.71 ms. Allocated memory is still 3.4 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:30:14,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 127.4s OverallTime, 147 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17038464 SDtfs, 18217298 SDslu, 179310336 SDs, 0 SdLazy, 175131412 SolverSat, -1653905742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 648.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183649 GetRequests, 180115 SyntacticMatches, 2256 SemanticMatches, 1278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1407355 ImplicationChecksByTransitivity, 106.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 28390 NumberOfCodeBlocks, 28390 NumberOfCodeBlocksAsserted, 146 NumberOfCheckSat, 28244 ConstructedInterpolants, 0 QuantifiedInterpolants, 19705311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 146 InterpolantComputations, 102 PerfectInterpolantSequences, 28027/28392 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: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a17 == 8 || (!(a25 == 1) && !(a11 == 1))) || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || (!(a19 == 1) && a11 == 1)) || (a11 == 1 && !(a17 == 9))) || (!(a25 == 1) && !(a11 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 447.67 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 920.7 MB in the beginning and 1.2 GB in the end (delta: -248.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3135.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.3 MB in the end (delta: 242.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. * CodeCheck took 134644.45 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 920.3 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 112.71 ms. Allocated memory is still 3.4 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...