./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label43_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_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/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 5c739325db675539f25b419a33c8766e100c13e7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:58:10,902 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:58:10,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:58:10,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:58:10,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:58:10,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:58:10,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:58:10,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:58:10,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:58:10,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:58:10,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:58:10,919 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:58:10,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:58:10,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:58:10,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:58:10,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:58:10,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:58:10,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:58:10,926 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:58:10,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:58:10,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:58:10,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:58:10,931 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:58:10,931 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:58:10,931 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:58:10,932 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:58:10,933 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:58:10,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:58:10,934 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:58:10,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:58:10,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:58:10,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:58:10,936 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:58:10,936 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:58:10,937 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:58:10,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:58:10,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:58:10,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:58:10,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:58:10,950 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:58:10,950 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:58:10,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:58:10,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:58:10,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:58:10,952 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:58:10,953 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:58:10,953 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:58:10,953 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:58:10,953 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:58:10,953 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:58:10,953 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:58:10,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:58:10,954 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:58:10,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:58:10,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:58:10,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:58:10,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:58:10,954 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:58:10,955 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:58:10,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:58:10,955 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_fbb71db5-c294-418e-874b-88698f2e4e7e/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 -> 5c739325db675539f25b419a33c8766e100c13e7 [2018-11-23 08:58:10,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:58:10,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:58:10,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:58:10,996 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:58:10,996 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:58:10,996 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-11-23 08:58:11,042 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/data/b6e82852d/d21ef74003ab46b1af3670f4e1b27b2b/FLAG68be38f0a [2018-11-23 08:58:11,447 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:58:11,448 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/sv-benchmarks/c/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-11-23 08:58:11,458 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/data/b6e82852d/d21ef74003ab46b1af3670f4e1b27b2b/FLAG68be38f0a [2018-11-23 08:58:11,472 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/data/b6e82852d/d21ef74003ab46b1af3670f4e1b27b2b [2018-11-23 08:58:11,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:58:11,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:58:11,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:58:11,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:58:11,481 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:58:11,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11, skipping insertion in model container [2018-11-23 08:58:11,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:58:11,531 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:58:11,781 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:58:11,783 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:58:11,850 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:58:11,864 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:58:11,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11 WrapperNode [2018-11-23 08:58:11,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:58:11,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:58:11,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:58:11,865 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:58:11,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:58:11,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:58:11,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:58:11,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:58:11,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:11,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:12,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... [2018-11-23 08:58:12,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:58:12,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:58:12,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:58:12,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:58:12,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:58:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/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 08:58:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:58:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:58:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:58:13,980 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:58:13,980 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:58:13,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:58:13 BoogieIcfgContainer [2018-11-23 08:58:13,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:58:13,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:58:13,981 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:58:13,990 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:58:13,991 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:58:13" (1/1) ... [2018-11-23 08:58:14,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:58:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 08:58:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 08:58:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 08:58:14,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:14,297 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 08:58:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-11-23 08:58:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-11-23 08:58:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 08:58:14,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:14,788 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 08:58:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-11-23 08:58:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-11-23 08:58:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 08:58:14,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-11-23 08:58:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-11-23 08:58:15,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 08:58:15,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-11-23 08:58:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-11-23 08:58:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 08:58:15,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-11-23 08:58:15,459 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-11-23 08:58:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 08:58:15,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:58:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-11-23 08:58:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-11-23 08:58:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 08:58:15,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-11-23 08:58:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-11-23 08:58:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 08:58:16,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-11-23 08:58:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-11-23 08:58:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 08:58:16,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:17,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 201 states and 329 transitions. [2018-11-23 08:58:17,219 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions. [2018-11-23 08:58:17,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 08:58:17,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 205 states and 335 transitions. [2018-11-23 08:58:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 335 transitions. [2018-11-23 08:58:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 08:58:17,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 220 states and 360 transitions. [2018-11-23 08:58:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2018-11-23 08:58:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 08:58:18,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 221 states and 363 transitions. [2018-11-23 08:58:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 363 transitions. [2018-11-23 08:58:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:58:18,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 232 states and 374 transitions. [2018-11-23 08:58:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 374 transitions. [2018-11-23 08:58:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:58:18,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 235 states and 376 transitions. [2018-11-23 08:58:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 376 transitions. [2018-11-23 08:58:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:58:18,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:58:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 246 states and 393 transitions. [2018-11-23 08:58:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 393 transitions. [2018-11-23 08:58:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 08:58:19,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:58:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 247 states and 394 transitions. [2018-11-23 08:58:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 394 transitions. [2018-11-23 08:58:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 08:58:19,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 256 states and 406 transitions. [2018-11-23 08:58:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 406 transitions. [2018-11-23 08:58:19,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:58:19,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 268 states and 421 transitions. [2018-11-23 08:58:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 421 transitions. [2018-11-23 08:58:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:58:19,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:58:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 271 states and 425 transitions. [2018-11-23 08:58:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 425 transitions. [2018-11-23 08:58:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:58:20,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 272 states and 427 transitions. [2018-11-23 08:58:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 427 transitions. [2018-11-23 08:58:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 08:58:20,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 283 states and 441 transitions. [2018-11-23 08:58:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 441 transitions. [2018-11-23 08:58:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 08:58:20,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 310 states and 478 transitions. [2018-11-23 08:58:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 478 transitions. [2018-11-23 08:58:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 08:58:21,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 319 states and 486 transitions. [2018-11-23 08:58:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 486 transitions. [2018-11-23 08:58:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:58:21,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 323 states and 490 transitions. [2018-11-23 08:58:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 490 transitions. [2018-11-23 08:58:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:58:21,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:21,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 327 states and 494 transitions. [2018-11-23 08:58:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 494 transitions. [2018-11-23 08:58:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 08:58:21,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 331 states and 500 transitions. [2018-11-23 08:58:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 500 transitions. [2018-11-23 08:58:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 08:58:22,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 345 states and 514 transitions. [2018-11-23 08:58:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 514 transitions. [2018-11-23 08:58:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 08:58:22,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:22,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 347 states and 516 transitions. [2018-11-23 08:58:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 516 transitions. [2018-11-23 08:58:22,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 08:58:22,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 08:58:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 373 states and 550 transitions. [2018-11-23 08:58:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 550 transitions. [2018-11-23 08:58:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 08:58:23,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 443 states and 631 transitions. [2018-11-23 08:58:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 631 transitions. [2018-11-23 08:58:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 08:58:24,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:25,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 486 states and 682 transitions. [2018-11-23 08:58:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 682 transitions. [2018-11-23 08:58:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 08:58:25,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 501 states and 702 transitions. [2018-11-23 08:58:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 702 transitions. [2018-11-23 08:58:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 08:58:26,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 512 states and 712 transitions. [2018-11-23 08:58:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 712 transitions. [2018-11-23 08:58:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 08:58:26,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:58:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 517 states and 718 transitions. [2018-11-23 08:58:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 718 transitions. [2018-11-23 08:58:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 08:58:26,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:27,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 550 states and 753 transitions. [2018-11-23 08:58:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 753 transitions. [2018-11-23 08:58:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 08:58:27,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 552 states and 754 transitions. [2018-11-23 08:58:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 754 transitions. [2018-11-23 08:58:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 08:58:27,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 576 states and 797 transitions. [2018-11-23 08:58:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 797 transitions. [2018-11-23 08:58:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 08:58:28,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 594 states and 826 transitions. [2018-11-23 08:58:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 826 transitions. [2018-11-23 08:58:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 08:58:29,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 602 states and 833 transitions. [2018-11-23 08:58:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 833 transitions. [2018-11-23 08:58:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 08:58:29,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 605 states and 840 transitions. [2018-11-23 08:58:30,098 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 840 transitions. [2018-11-23 08:58:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 08:58:30,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 633 states and 875 transitions. [2018-11-23 08:58:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 875 transitions. [2018-11-23 08:58:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 08:58:30,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:58:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 653 states and 894 transitions. [2018-11-23 08:58:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 894 transitions. [2018-11-23 08:58:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 08:58:31,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:58:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 657 states and 897 transitions. [2018-11-23 08:58:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 897 transitions. [2018-11-23 08:58:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 08:58:31,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 676 states and 925 transitions. [2018-11-23 08:58:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 925 transitions. [2018-11-23 08:58:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 08:58:32,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:32,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 677 states and 926 transitions. [2018-11-23 08:58:32,774 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 926 transitions. [2018-11-23 08:58:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 08:58:32,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:58:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 702 states and 961 transitions. [2018-11-23 08:58:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 961 transitions. [2018-11-23 08:58:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 08:58:33,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 743 states and 1009 transitions. [2018-11-23 08:58:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1009 transitions. [2018-11-23 08:58:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:58:35,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 747 states and 1021 transitions. [2018-11-23 08:58:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1021 transitions. [2018-11-23 08:58:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:58:35,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 748 states and 1024 transitions. [2018-11-23 08:58:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1024 transitions. [2018-11-23 08:58:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:58:35,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 749 states and 1028 transitions. [2018-11-23 08:58:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1028 transitions. [2018-11-23 08:58:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:58:35,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 750 states and 1031 transitions. [2018-11-23 08:58:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1031 transitions. [2018-11-23 08:58:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:58:36,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 08:58:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 754 states and 1037 transitions. [2018-11-23 08:58:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1037 transitions. [2018-11-23 08:58:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:58:36,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:58:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 765 states and 1047 transitions. [2018-11-23 08:58:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1047 transitions. [2018-11-23 08:58:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 08:58:36,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 799 states and 1091 transitions. [2018-11-23 08:58:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1091 transitions. [2018-11-23 08:58:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 08:58:37,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 08:58:38,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 801 states and 1093 transitions. [2018-11-23 08:58:38,309 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1093 transitions. [2018-11-23 08:58:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 08:58:38,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:58:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 807 states and 1101 transitions. [2018-11-23 08:58:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1101 transitions. [2018-11-23 08:58:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 08:58:38,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 820 states and 1117 transitions. [2018-11-23 08:58:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1117 transitions. [2018-11-23 08:58:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 08:58:39,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:58:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 848 states and 1148 transitions. [2018-11-23 08:58:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1148 transitions. [2018-11-23 08:58:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 08:58:39,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 893 states and 1199 transitions. [2018-11-23 08:58:41,489 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1199 transitions. [2018-11-23 08:58:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 08:58:41,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 905 states and 1212 transitions. [2018-11-23 08:58:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1212 transitions. [2018-11-23 08:58:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 08:58:41,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 935 states and 1251 transitions. [2018-11-23 08:58:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1251 transitions. [2018-11-23 08:58:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 08:58:42,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 949 states and 1264 transitions. [2018-11-23 08:58:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1264 transitions. [2018-11-23 08:58:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 08:58:42,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:42,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 950 states and 1265 transitions. [2018-11-23 08:58:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1265 transitions. [2018-11-23 08:58:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 08:58:42,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 959 states and 1274 transitions. [2018-11-23 08:58:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1274 transitions. [2018-11-23 08:58:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 08:58:43,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 08:58:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 964 states and 1282 transitions. [2018-11-23 08:58:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1282 transitions. [2018-11-23 08:58:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:43,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 988 states and 1320 transitions. [2018-11-23 08:58:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1320 transitions. [2018-11-23 08:58:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:46,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1004 states and 1339 transitions. [2018-11-23 08:58:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1339 transitions. [2018-11-23 08:58:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:47,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1008 states and 1343 transitions. [2018-11-23 08:58:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1343 transitions. [2018-11-23 08:58:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:47,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1011 states and 1346 transitions. [2018-11-23 08:58:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1346 transitions. [2018-11-23 08:58:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:48,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1015 states and 1351 transitions. [2018-11-23 08:58:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1351 transitions. [2018-11-23 08:58:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:48,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 08:58:48,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1022 states and 1359 transitions. [2018-11-23 08:58:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1359 transitions. [2018-11-23 08:58:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 08:58:48,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:58:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1024 states and 1362 transitions. [2018-11-23 08:58:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1362 transitions. [2018-11-23 08:58:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 08:58:49,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1032 states and 1371 transitions. [2018-11-23 08:58:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1371 transitions. [2018-11-23 08:58:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 08:58:49,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:58:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1033 states and 1371 transitions. [2018-11-23 08:58:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1371 transitions. [2018-11-23 08:58:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 08:58:49,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 08:58:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1036 states and 1375 transitions. [2018-11-23 08:58:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1375 transitions. [2018-11-23 08:58:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 08:58:50,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 08:58:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1066 states and 1404 transitions. [2018-11-23 08:58:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1404 transitions. [2018-11-23 08:58:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 08:58:50,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 08:58:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1078 states and 1415 transitions. [2018-11-23 08:58:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1415 transitions. [2018-11-23 08:58:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 08:58:51,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 08:58:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1081 states and 1418 transitions. [2018-11-23 08:58:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1418 transitions. [2018-11-23 08:58:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 08:58:51,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 08:58:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1100 states and 1445 transitions. [2018-11-23 08:58:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1445 transitions. [2018-11-23 08:58:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 08:58:52,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 08:58:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1120 states and 1467 transitions. [2018-11-23 08:58:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1467 transitions. [2018-11-23 08:58:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 08:58:53,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 08:58:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1125 states and 1473 transitions. [2018-11-23 08:58:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1473 transitions. [2018-11-23 08:58:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:58:53,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1170 states and 1526 transitions. [2018-11-23 08:58:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1526 transitions. [2018-11-23 08:58:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 08:58:55,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 08:58:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1173 states and 1529 transitions. [2018-11-23 08:58:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1529 transitions. [2018-11-23 08:58:55,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 08:58:55,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 08:58:55,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1181 states and 1537 transitions. [2018-11-23 08:58:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1537 transitions. [2018-11-23 08:58:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 08:58:55,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:58:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1209 states and 1571 transitions. [2018-11-23 08:58:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1571 transitions. [2018-11-23 08:58:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 08:58:56,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 08:58:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1217 states and 1584 transitions. [2018-11-23 08:58:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1584 transitions. [2018-11-23 08:58:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 08:58:57,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 08:58:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1249 states and 1617 transitions. [2018-11-23 08:58:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1617 transitions. [2018-11-23 08:58:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 08:58:58,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 08:58:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1253 states and 1622 transitions. [2018-11-23 08:58:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1622 transitions. [2018-11-23 08:58:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 08:58:58,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1257 states and 1627 transitions. [2018-11-23 08:58:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1627 transitions. [2018-11-23 08:58:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 08:58:58,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1261 states and 1630 transitions. [2018-11-23 08:58:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1630 transitions. [2018-11-23 08:58:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 08:58:58,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:58:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:58:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1267 states and 1637 transitions. [2018-11-23 08:58:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1637 transitions. [2018-11-23 08:58:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 08:58:59,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:58:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:58:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:59:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1301 states and 1675 transitions. [2018-11-23 08:59:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1675 transitions. [2018-11-23 08:59:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 08:59:00,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:59:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1305 states and 1679 transitions. [2018-11-23 08:59:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1679 transitions. [2018-11-23 08:59:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 08:59:00,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:59:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1309 states and 1685 transitions. [2018-11-23 08:59:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1685 transitions. [2018-11-23 08:59:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 08:59:01,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 08:59:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1322 states and 1702 transitions. [2018-11-23 08:59:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1702 transitions. [2018-11-23 08:59:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 08:59:02,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 08:59:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1434 states and 1821 transitions. [2018-11-23 08:59:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1821 transitions. [2018-11-23 08:59:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 08:59:03,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 08:59:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:08,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1488 states and 1879 transitions. [2018-11-23 08:59:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1879 transitions. [2018-11-23 08:59:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:59:08,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:59:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1523 states and 1919 transitions. [2018-11-23 08:59:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1919 transitions. [2018-11-23 08:59:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:59:09,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:59:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1540 states and 1939 transitions. [2018-11-23 08:59:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1939 transitions. [2018-11-23 08:59:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:59:11,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:59:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1562 states and 1964 transitions. [2018-11-23 08:59:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1964 transitions. [2018-11-23 08:59:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:59:12,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:59:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1579 states and 1980 transitions. [2018-11-23 08:59:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1980 transitions. [2018-11-23 08:59:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 08:59:12,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 08:59:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1609 states and 2010 transitions. [2018-11-23 08:59:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2010 transitions. [2018-11-23 08:59:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 08:59:13,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:59:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1621 states and 2023 transitions. [2018-11-23 08:59:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 2023 transitions. [2018-11-23 08:59:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 08:59:14,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 08:59:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1626 states and 2028 transitions. [2018-11-23 08:59:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2028 transitions. [2018-11-23 08:59:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-23 08:59:14,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 08:59:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1653 states and 2061 transitions. [2018-11-23 08:59:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2061 transitions. [2018-11-23 08:59:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-23 08:59:19,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 08:59:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1658 states and 2066 transitions. [2018-11-23 08:59:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2066 transitions. [2018-11-23 08:59:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 08:59:20,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 08:59:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1662 states and 2072 transitions. [2018-11-23 08:59:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2072 transitions. [2018-11-23 08:59:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:23,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1665 states and 2081 transitions. [2018-11-23 08:59:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2081 transitions. [2018-11-23 08:59:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:23,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1685 states and 2102 transitions. [2018-11-23 08:59:24,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2102 transitions. [2018-11-23 08:59:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:24,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1691 states and 2109 transitions. [2018-11-23 08:59:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2109 transitions. [2018-11-23 08:59:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:25,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1705 states and 2125 transitions. [2018-11-23 08:59:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2125 transitions. [2018-11-23 08:59:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:26,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1721 states and 2139 transitions. [2018-11-23 08:59:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2139 transitions. [2018-11-23 08:59:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:27,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1725 states and 2143 transitions. [2018-11-23 08:59:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2143 transitions. [2018-11-23 08:59:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:27,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1729 states and 2149 transitions. [2018-11-23 08:59:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2149 transitions. [2018-11-23 08:59:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:28,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1740 states and 2160 transitions. [2018-11-23 08:59:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2160 transitions. [2018-11-23 08:59:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:29,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1744 states and 2165 transitions. [2018-11-23 08:59:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2165 transitions. [2018-11-23 08:59:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:29,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1748 states and 2169 transitions. [2018-11-23 08:59:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2169 transitions. [2018-11-23 08:59:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:29,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1759 states and 2180 transitions. [2018-11-23 08:59:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2180 transitions. [2018-11-23 08:59:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 08:59:31,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 08:59:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1763 states and 2184 transitions. [2018-11-23 08:59:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2184 transitions. [2018-11-23 08:59:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 08:59:31,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 08:59:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1767 states and 2188 transitions. [2018-11-23 08:59:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2188 transitions. [2018-11-23 08:59:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:32,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1788 states and 2210 transitions. [2018-11-23 08:59:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2210 transitions. [2018-11-23 08:59:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:33,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1816 states and 2241 transitions. [2018-11-23 08:59:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2241 transitions. [2018-11-23 08:59:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:33,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1818 states and 2243 transitions. [2018-11-23 08:59:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2243 transitions. [2018-11-23 08:59:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:34,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1850 states and 2276 transitions. [2018-11-23 08:59:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2276 transitions. [2018-11-23 08:59:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:35,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:35,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 1851 states and 2277 transitions. [2018-11-23 08:59:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2277 transitions. [2018-11-23 08:59:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:35,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1871 states and 2296 transitions. [2018-11-23 08:59:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2296 transitions. [2018-11-23 08:59:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 08:59:35,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 08:59:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1889 states and 2313 transitions. [2018-11-23 08:59:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2313 transitions. [2018-11-23 08:59:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 08:59:36,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 08:59:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1893 states and 2317 transitions. [2018-11-23 08:59:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2317 transitions. [2018-11-23 08:59:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 08:59:36,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 08:59:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1897 states and 2321 transitions. [2018-11-23 08:59:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2321 transitions. [2018-11-23 08:59:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-23 08:59:37,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 177 proven. 8 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-23 08:59:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1898 states and 2321 transitions. [2018-11-23 08:59:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2321 transitions. [2018-11-23 08:59:37,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 08:59:37,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-23 08:59:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 1902 states and 2326 transitions. [2018-11-23 08:59:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2326 transitions. [2018-11-23 08:59:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 08:59:37,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-11-23 08:59:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1906 states and 2331 transitions. [2018-11-23 08:59:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2331 transitions. [2018-11-23 08:59:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 08:59:38,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-11-23 08:59:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 1910 states and 2334 transitions. [2018-11-23 08:59:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2334 transitions. [2018-11-23 08:59:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 08:59:38,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-23 08:59:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1964 states and 2392 transitions. [2018-11-23 08:59:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2392 transitions. [2018-11-23 08:59:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 08:59:44,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-23 08:59:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 1979 states and 2407 transitions. [2018-11-23 08:59:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2407 transitions. [2018-11-23 08:59:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 08:59:45,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-23 08:59:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2009 states and 2437 transitions. [2018-11-23 08:59:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2437 transitions. [2018-11-23 08:59:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 08:59:47,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-23 08:59:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2104 states and 2548 transitions. [2018-11-23 08:59:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2548 transitions. [2018-11-23 08:59:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-23 08:59:50,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:59:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:59:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-11-23 08:59:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:59:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2042 states and 2482 transitions. [2018-11-23 08:59:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2482 transitions. [2018-11-23 08:59:51,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:59:51,513 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 139 iterations. [2018-11-23 08:59:51,519 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 08:59:51,822 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 40 [2018-11-23 08:59:52,140 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2018-11-23 08:59:52,299 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 40 [2018-11-23 08:59:52,482 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-11-23 08:59:52,640 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 14 [2018-11-23 08:59:52,942 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 14 [2018-11-23 08:59:53,113 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 40 [2018-11-23 08:59:53,272 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 40 [2018-11-23 08:59:53,617 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 40 [2018-11-23 08:59:55,042 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2018-11-23 08:59:55,470 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 40 [2018-11-23 08:59:55,578 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 14 [2018-11-23 08:59:55,894 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 40 [2018-11-23 08:59:56,251 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 14 [2018-11-23 08:59:56,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:59:56,253 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 08:59:56,257 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 08:59:56,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:59:56 ImpRootNode [2018-11-23 08:59:56,258 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:59:56,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:59:56,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:59:56,258 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:59:56,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:58:13" (3/4) ... [2018-11-23 08:59:56,261 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:59:56,276 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 08:59:56,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 08:59:56,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 08:59:56,279 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:59:56,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbb71db5-c294-418e-874b-88698f2e4e7e/bin-2019/ukojak/witness.graphml [2018-11-23 08:59:56,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:59:56,379 INFO L168 Benchmark]: Toolchain (without parser) took 104904.03 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 953.9 MB in the beginning and 1.7 GB in the end (delta: -745.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,380 INFO L168 Benchmark]: CDTParser took 0.15 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 08:59:56,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -220.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,381 INFO L168 Benchmark]: Boogie Preprocessor took 42.11 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,381 INFO L168 Benchmark]: RCFGBuilder took 1974.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.6 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,381 INFO L168 Benchmark]: CodeCheck took 102277.16 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 893.6 MB in the beginning and 1.7 GB in the end (delta: -806.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,381 INFO L168 Benchmark]: Witness Printer took 120.27 ms. Allocated memory is still 3.5 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 16.6 kB). Peak memory consumption was 16.6 kB. Max. memory is 11.5 GB. [2018-11-23 08:59:56,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 97.5s OverallTime, 139 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1380967608 SDtfs, 1763246090 SDslu, 300983152 SDs, 0 SdLazy, 304852042 SolverSat, -287669104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 382.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149561 GetRequests, 146808 SyntacticMatches, 1445 SemanticMatches, 1308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121100 ImplicationChecksByTransitivity, 82.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 21385 NumberOfCodeBlocks, 21385 NumberOfCodeBlocksAsserted, 138 NumberOfCheckSat, 21247 ConstructedInterpolants, 0 QuantifiedInterpolants, 13108141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 138 InterpolantComputations, 125 PerfectInterpolantSequences, 17430/17518 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: 560]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a16 == 6)) || !(a17 == 1)) || a8 == 15 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a16 == 6)) || !(a17 == 1)) || a8 == 15 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.57 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -220.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.11 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1974.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.6 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. * CodeCheck took 102277.16 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 893.6 MB in the beginning and 1.7 GB in the end (delta: -806.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 120.27 ms. Allocated memory is still 3.5 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 16.6 kB). Peak memory consumption was 16.6 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...