./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:39:46,901 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:39:46,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:39:46,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:39:46,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:39:46,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:39:46,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:39:46,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:39:46,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:39:46,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:39:46,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:39:46,916 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:39:46,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:39:46,918 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:39:46,919 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:39:46,919 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:39:46,920 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:39:46,921 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:39:46,922 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:39:46,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:39:46,924 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:39:46,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:39:46,927 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:39:46,927 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:39:46,927 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:39:46,928 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:39:46,929 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:39:46,930 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:39:46,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:39:46,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:39:46,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:39:46,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:39:46,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:39:46,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:39:46,933 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:39:46,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:39:46,933 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 11:39:46,944 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:39:46,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:39:46,945 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:39:46,945 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 11:39:46,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:39:46,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:39:46,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:39:46,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:39:46,946 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:39:46,946 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:39:46,946 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:39:46,946 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:39:46,947 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 11:39:46,947 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 11:39:46,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:39:46,948 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:39:46,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 11:39:46,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:39:46,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:39:46,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:39:46,948 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 11:39:46,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:39:46,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:39:46,949 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_8853c22e-13c3-47b6-baff-feb2aaab5e25/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2018-11-23 11:39:46,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:39:46,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:39:46,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:39:46,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:39:46,987 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:39:46,987 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-23 11:39:47,037 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/data/8eddabf1e/aaff5b20c0db43bf935761294957c45c/FLAG1ca9922bf [2018-11-23 11:39:47,487 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:39:47,487 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-23 11:39:47,496 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/data/8eddabf1e/aaff5b20c0db43bf935761294957c45c/FLAG1ca9922bf [2018-11-23 11:39:48,005 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/data/8eddabf1e/aaff5b20c0db43bf935761294957c45c [2018-11-23 11:39:48,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:39:48,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:39:48,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:48,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:39:48,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:39:48,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48, skipping insertion in model container [2018-11-23 11:39:48,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:39:48,059 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:39:48,302 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:48,306 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:39:48,372 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:48,441 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:39:48,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48 WrapperNode [2018-11-23 11:39:48,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:48,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:48,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:39:48,442 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:39:48,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:48,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:39:48,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:39:48,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:39:48,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... [2018-11-23 11:39:48,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:39:48,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:39:48,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:39:48,527 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:39:48,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/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 [2018-11-23 11:39:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:39:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:39:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:39:49,847 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:39:49,848 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 11:39:49,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:49 BoogieIcfgContainer [2018-11-23 11:39:49,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:39:49,849 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 11:39:49,849 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 11:39:49,856 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 11:39:49,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:49" (1/1) ... [2018-11-23 11:39:49,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-23 11:39:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-23 11:39:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 11:39:49,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-11-23 11:39:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-11-23 11:39:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 11:39:50,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2018-11-23 11:39:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2018-11-23 11:39:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 11:39:50,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:39:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 243 states and 326 transitions. [2018-11-23 11:39:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2018-11-23 11:39:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 11:39:51,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:39:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 245 states and 329 transitions. [2018-11-23 11:39:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 329 transitions. [2018-11-23 11:39:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 11:39:51,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 262 states and 356 transitions. [2018-11-23 11:39:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 356 transitions. [2018-11-23 11:39:51,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 11:39:51,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2018-11-23 11:39:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-11-23 11:39:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 11:39:51,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 301 states and 410 transitions. [2018-11-23 11:39:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 410 transitions. [2018-11-23 11:39:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 11:39:52,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 305 states and 417 transitions. [2018-11-23 11:39:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 417 transitions. [2018-11-23 11:39:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 11:39:52,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 11:39:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 323 states and 439 transitions. [2018-11-23 11:39:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 439 transitions. [2018-11-23 11:39:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 11:39:52,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2018-11-23 11:39:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2018-11-23 11:39:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 11:39:52,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 11:39:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 331 states and 449 transitions. [2018-11-23 11:39:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 449 transitions. [2018-11-23 11:39:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 11:39:53,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 11:39:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 342 states and 465 transitions. [2018-11-23 11:39:53,514 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 465 transitions. [2018-11-23 11:39:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 11:39:53,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 11:39:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 343 states and 468 transitions. [2018-11-23 11:39:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 468 transitions. [2018-11-23 11:39:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 11:39:53,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 11:39:53,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:53,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 360 states and 486 transitions. [2018-11-23 11:39:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 486 transitions. [2018-11-23 11:39:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 11:39:53,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:54,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 390 states and 525 transitions. [2018-11-23 11:39:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 525 transitions. [2018-11-23 11:39:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 11:39:54,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 403 states and 541 transitions. [2018-11-23 11:39:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 541 transitions. [2018-11-23 11:39:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 11:39:55,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 420 states and 561 transitions. [2018-11-23 11:39:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 561 transitions. [2018-11-23 11:39:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 11:39:55,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 423 states and 565 transitions. [2018-11-23 11:39:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 565 transitions. [2018-11-23 11:39:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 11:39:55,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 436 states and 579 transitions. [2018-11-23 11:39:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 579 transitions. [2018-11-23 11:39:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 11:39:56,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 439 states and 583 transitions. [2018-11-23 11:39:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 583 transitions. [2018-11-23 11:39:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 11:39:56,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:39:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 440 states and 585 transitions. [2018-11-23 11:39:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 585 transitions. [2018-11-23 11:39:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 11:39:56,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:39:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 459 states and 607 transitions. [2018-11-23 11:39:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2018-11-23 11:39:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 11:39:57,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 11:39:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 463 states and 610 transitions. [2018-11-23 11:39:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 610 transitions. [2018-11-23 11:39:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 11:39:57,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 11:39:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 491 states and 638 transitions. [2018-11-23 11:39:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 638 transitions. [2018-11-23 11:39:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 11:39:57,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 11:39:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 496 states and 642 transitions. [2018-11-23 11:39:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 642 transitions. [2018-11-23 11:39:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 11:39:57,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:39:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 510 states and 657 transitions. [2018-11-23 11:39:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 657 transitions. [2018-11-23 11:39:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 11:39:57,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:39:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 522 states and 668 transitions. [2018-11-23 11:39:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 668 transitions. [2018-11-23 11:39:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 11:39:58,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:39:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 562 states and 720 transitions. [2018-11-23 11:39:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 720 transitions. [2018-11-23 11:39:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 11:39:59,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:39:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:39:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 577 states and 734 transitions. [2018-11-23 11:39:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 734 transitions. [2018-11-23 11:39:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 11:39:59,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:39:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:00,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 589 states and 745 transitions. [2018-11-23 11:40:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 745 transitions. [2018-11-23 11:40:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 11:40:00,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:40:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 608 states and 764 transitions. [2018-11-23 11:40:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 764 transitions. [2018-11-23 11:40:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 11:40:00,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 11:40:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 609 states and 765 transitions. [2018-11-23 11:40:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 765 transitions. [2018-11-23 11:40:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 11:40:00,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 614 states and 772 transitions. [2018-11-23 11:40:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 772 transitions. [2018-11-23 11:40:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 11:40:00,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:40:00,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 616 states and 774 transitions. [2018-11-23 11:40:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 774 transitions. [2018-11-23 11:40:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 11:40:00,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 617 states and 775 transitions. [2018-11-23 11:40:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 775 transitions. [2018-11-23 11:40:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 11:40:00,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 11:40:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 631 states and 789 transitions. [2018-11-23 11:40:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 789 transitions. [2018-11-23 11:40:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 11:40:00,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 11:40:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 633 states and 790 transitions. [2018-11-23 11:40:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 790 transitions. [2018-11-23 11:40:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 11:40:01,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 652 states and 812 transitions. [2018-11-23 11:40:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 812 transitions. [2018-11-23 11:40:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 11:40:01,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 653 states and 813 transitions. [2018-11-23 11:40:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 813 transitions. [2018-11-23 11:40:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 11:40:01,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 656 states and 816 transitions. [2018-11-23 11:40:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 816 transitions. [2018-11-23 11:40:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 11:40:01,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 657 states and 817 transitions. [2018-11-23 11:40:02,155 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 817 transitions. [2018-11-23 11:40:02,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 11:40:02,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 672 states and 831 transitions. [2018-11-23 11:40:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 831 transitions. [2018-11-23 11:40:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 11:40:02,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 11:40:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 688 states and 848 transitions. [2018-11-23 11:40:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 848 transitions. [2018-11-23 11:40:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 11:40:03,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 712 states and 873 transitions. [2018-11-23 11:40:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 873 transitions. [2018-11-23 11:40:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 11:40:03,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:04,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 729 states and 893 transitions. [2018-11-23 11:40:04,276 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 893 transitions. [2018-11-23 11:40:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 11:40:04,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:04,352 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 741 states and 904 transitions. [2018-11-23 11:40:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 904 transitions. [2018-11-23 11:40:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 11:40:04,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 763 states and 927 transitions. [2018-11-23 11:40:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 927 transitions. [2018-11-23 11:40:04,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 11:40:04,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:05,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 791 states and 955 transitions. [2018-11-23 11:40:05,097 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-11-23 11:40:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 11:40:05,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 795 states and 959 transitions. [2018-11-23 11:40:05,151 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 959 transitions. [2018-11-23 11:40:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 11:40:05,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 11:40:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 813 states and 979 transitions. [2018-11-23 11:40:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 979 transitions. [2018-11-23 11:40:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 11:40:05,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 823 states and 990 transitions. [2018-11-23 11:40:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 990 transitions. [2018-11-23 11:40:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 11:40:05,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 835 states and 1005 transitions. [2018-11-23 11:40:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1005 transitions. [2018-11-23 11:40:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 11:40:06,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 846 states and 1023 transitions. [2018-11-23 11:40:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1023 transitions. [2018-11-23 11:40:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 11:40:07,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-23 11:40:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 847 states and 1024 transitions. [2018-11-23 11:40:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1024 transitions. [2018-11-23 11:40:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 11:40:07,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-23 11:40:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 848 states and 1024 transitions. [2018-11-23 11:40:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1024 transitions. [2018-11-23 11:40:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 11:40:08,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 852 states and 1029 transitions. [2018-11-23 11:40:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1029 transitions. [2018-11-23 11:40:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 11:40:08,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 11:40:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 866 states and 1043 transitions. [2018-11-23 11:40:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1043 transitions. [2018-11-23 11:40:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 11:40:08,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 11:40:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 878 states and 1054 transitions. [2018-11-23 11:40:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1054 transitions. [2018-11-23 11:40:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 11:40:09,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 11:40:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 949 states and 1133 transitions. [2018-11-23 11:40:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1133 transitions. [2018-11-23 11:40:09,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 11:40:09,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 11:40:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 950 states and 1133 transitions. [2018-11-23 11:40:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1133 transitions. [2018-11-23 11:40:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 11:40:10,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 951 states and 1133 transitions. [2018-11-23 11:40:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1133 transitions. [2018-11-23 11:40:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 11:40:10,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 11:40:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 976 states and 1158 transitions. [2018-11-23 11:40:10,985 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1158 transitions. [2018-11-23 11:40:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 11:40:10,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 11:40:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 982 states and 1164 transitions. [2018-11-23 11:40:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1164 transitions. [2018-11-23 11:40:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 11:40:11,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 11:40:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 983 states and 1164 transitions. [2018-11-23 11:40:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1164 transitions. [2018-11-23 11:40:11,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 11:40:11,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 986 states and 1167 transitions. [2018-11-23 11:40:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1167 transitions. [2018-11-23 11:40:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 11:40:11,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 11:40:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1061 states and 1248 transitions. [2018-11-23 11:40:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1248 transitions. [2018-11-23 11:40:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 11:40:12,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 11:40:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1093 states and 1284 transitions. [2018-11-23 11:40:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1284 transitions. [2018-11-23 11:40:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 11:40:13,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 11:40:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1094 states and 1284 transitions. [2018-11-23 11:40:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1284 transitions. [2018-11-23 11:40:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 11:40:13,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 11:40:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1104 states and 1296 transitions. [2018-11-23 11:40:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1296 transitions. [2018-11-23 11:40:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 11:40:13,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 11:40:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1111 states and 1306 transitions. [2018-11-23 11:40:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1306 transitions. [2018-11-23 11:40:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 11:40:14,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 11:40:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1126 states and 1322 transitions. [2018-11-23 11:40:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1322 transitions. [2018-11-23 11:40:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 11:40:15,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 11:40:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1146 states and 1344 transitions. [2018-11-23 11:40:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1344 transitions. [2018-11-23 11:40:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 11:40:15,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 11:40:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1147 states and 1346 transitions. [2018-11-23 11:40:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1346 transitions. [2018-11-23 11:40:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 11:40:15,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 11:40:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1150 states and 1349 transitions. [2018-11-23 11:40:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1349 transitions. [2018-11-23 11:40:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 11:40:16,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1183 states and 1387 transitions. [2018-11-23 11:40:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1387 transitions. [2018-11-23 11:40:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 11:40:16,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1186 states and 1391 transitions. [2018-11-23 11:40:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1391 transitions. [2018-11-23 11:40:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 11:40:17,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 11:40:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1187 states and 1392 transitions. [2018-11-23 11:40:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1392 transitions. [2018-11-23 11:40:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 11:40:17,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 11:40:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1191 states and 1398 transitions. [2018-11-23 11:40:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1398 transitions. [2018-11-23 11:40:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-23 11:40:17,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 11:40:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1209 states and 1415 transitions. [2018-11-23 11:40:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1415 transitions. [2018-11-23 11:40:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 11:40:17,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 11:40:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1247 states and 1455 transitions. [2018-11-23 11:40:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1455 transitions. [2018-11-23 11:40:18,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 11:40:18,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 11:40:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1311 states and 1525 transitions. [2018-11-23 11:40:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1525 transitions. [2018-11-23 11:40:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 11:40:21,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 11:40:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1314 states and 1528 transitions. [2018-11-23 11:40:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1528 transitions. [2018-11-23 11:40:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 11:40:21,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 11:40:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1317 states and 1530 transitions. [2018-11-23 11:40:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1530 transitions. [2018-11-23 11:40:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 11:40:21,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 11:40:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:23,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1353 states and 1567 transitions. [2018-11-23 11:40:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1567 transitions. [2018-11-23 11:40:23,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 11:40:23,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 11:40:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1474 states and 1707 transitions. [2018-11-23 11:40:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1707 transitions. [2018-11-23 11:40:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 11:40:27,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 11:40:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1478 states and 1711 transitions. [2018-11-23 11:40:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1711 transitions. [2018-11-23 11:40:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 11:40:27,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 11:40:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1483 states and 1715 transitions. [2018-11-23 11:40:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1715 transitions. [2018-11-23 11:40:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 11:40:28,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 11:40:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1510 states and 1742 transitions. [2018-11-23 11:40:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1742 transitions. [2018-11-23 11:40:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 11:40:28,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 11:40:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1534 states and 1766 transitions. [2018-11-23 11:40:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1766 transitions. [2018-11-23 11:40:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 11:40:28,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 11:40:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1553 states and 1784 transitions. [2018-11-23 11:40:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1784 transitions. [2018-11-23 11:40:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 11:40:29,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 11:40:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1567 states and 1798 transitions. [2018-11-23 11:40:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1798 transitions. [2018-11-23 11:40:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 11:40:29,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 11:40:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1583 states and 1816 transitions. [2018-11-23 11:40:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1816 transitions. [2018-11-23 11:40:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 11:40:29,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:40:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:40:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 11:40:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:40:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1420 states and 1631 transitions. [2018-11-23 11:40:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1631 transitions. [2018-11-23 11:40:30,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:40:30,224 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-11-23 11:40:30,229 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 11:40:33,155 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:40:33,157 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 11:40:33,161 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 11:40:33,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 11:40:33 ImpRootNode [2018-11-23 11:40:33,162 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 11:40:33,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:40:33,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:40:33,162 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:40:33,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:49" (3/4) ... [2018-11-23 11:40:33,165 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:40:33,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-11-23 11:40:33,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 11:40:33,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 11:40:33,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:40:33,263 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8853c22e-13c3-47b6-baff-feb2aaab5e25/bin-2019/ukojak/witness.graphml [2018-11-23 11:40:33,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:40:33,264 INFO L168 Benchmark]: Toolchain (without parser) took 45256.08 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 955.5 MB in the beginning and 1.6 GB in the end (delta: -670.4 MB). Peak memory consumption was 826.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,265 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:40:33,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -198.2 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,266 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,267 INFO L168 Benchmark]: RCFGBuilder took 1321.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.7 MB in the end (delta: 239.8 MB). Peak memory consumption was 239.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,267 INFO L168 Benchmark]: CodeCheck took 43313.41 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 900.7 MB in the beginning and 1.7 GB in the end (delta: -757.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,267 INFO L168 Benchmark]: Witness Printer took 101.33 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:33,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 40.3s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 892872720 SDtfs, 2025322548 SDslu, 84173920 SDs, 0 SdLazy, 1329700202 SolverSat, -1910786514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 194.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104960 GetRequests, 103358 SyntacticMatches, 978 SemanticMatches, 624 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293846 ImplicationChecksByTransitivity, 30.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 16675 NumberOfCodeBlocks, 16675 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 16582 ConstructedInterpolants, 0 QuantifiedInterpolants, 7530890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 73 PerfectInterpolantSequences, 15881/16162 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: 469]: 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 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 431.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -198.2 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1321.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.7 MB in the end (delta: 239.8 MB). Peak memory consumption was 239.8 MB. Max. memory is 11.5 GB. * CodeCheck took 43313.41 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 900.7 MB in the beginning and 1.7 GB in the end (delta: -757.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 101.33 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...