./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_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_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:39:57,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:39:57,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:39:57,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:39:57,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:39:57,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:39:57,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:39:57,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:39:57,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:39:57,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:39:57,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:39:57,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:39:57,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:39:57,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:39:57,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:39:57,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:39:57,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:39:57,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:39:57,822 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:39:57,823 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:39:57,824 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:39:57,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:39:57,826 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:39:57,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:39:57,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:39:57,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:39:57,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:39:57,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:39:57,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:39:57,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:39:57,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:39:57,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:39:57,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:39:57,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:39:57,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:39:57,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:39:57,831 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 09:39:57,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:39:57,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:39:57,842 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:39:57,842 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 09:39:57,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:39:57,843 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:39:57,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:39:57,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:39:57,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:39:57,843 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:39:57,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:39:57,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:39:57,844 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 09:39:57,844 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 09:39:57,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:39:57,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:39:57,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 09:39:57,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:39:57,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:39:57,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:39:57,846 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 09:39:57,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:39:57,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:39:57,846 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_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-11-23 09:39:57,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:39:57,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:39:57,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:39:57,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:39:57,879 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:39:57,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-23 09:39:57,913 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/data/08aafbedc/1756ebe11c0b44b7a9456d317ac50429/FLAGc8559e56f [2018-11-23 09:39:58,356 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:39:58,356 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-23 09:39:58,365 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/data/08aafbedc/1756ebe11c0b44b7a9456d317ac50429/FLAGc8559e56f [2018-11-23 09:39:58,377 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/data/08aafbedc/1756ebe11c0b44b7a9456d317ac50429 [2018-11-23 09:39:58,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:39:58,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:39:58,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:39:58,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:39:58,384 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:39:58,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5396b62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58, skipping insertion in model container [2018-11-23 09:39:58,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:39:58,426 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:39:58,681 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:39:58,684 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:39:58,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:39:58,760 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:39:58,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58 WrapperNode [2018-11-23 09:39:58,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:39:58,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:39:58,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:39:58,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:39:58,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:39:58,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:39:58,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:39:58,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:39:58,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... [2018-11-23 09:39:58,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:39:58,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:39:58,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:39:58,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:39:58,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/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 09:39:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 09:39:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:39:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:40:00,185 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:40:00,186 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 09:40:00,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:00 BoogieIcfgContainer [2018-11-23 09:40:00,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:40:00,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 09:40:00,187 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 09:40:00,194 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 09:40:00,194 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:00" (1/1) ... [2018-11-23 09:40:00,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:40:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 09:40:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 09:40:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 09:40:00,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:00,491 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 09:40:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:00,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-11-23 09:40:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-11-23 09:40:00,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 09:40:00,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:01,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-11-23 09:40:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-11-23 09:40:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 09:40:01,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-11-23 09:40:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-11-23 09:40:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 09:40:01,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:40:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 227 states and 325 transitions. [2018-11-23 09:40:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 325 transitions. [2018-11-23 09:40:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 09:40:01,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 239 states and 341 transitions. [2018-11-23 09:40:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 341 transitions. [2018-11-23 09:40:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 09:40:02,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 240 states and 343 transitions. [2018-11-23 09:40:02,189 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 343 transitions. [2018-11-23 09:40:02,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 09:40:02,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 243 states and 347 transitions. [2018-11-23 09:40:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 347 transitions. [2018-11-23 09:40:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 09:40:02,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 245 states and 348 transitions. [2018-11-23 09:40:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 348 transitions. [2018-11-23 09:40:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 09:40:02,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:40:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 258 states and 363 transitions. [2018-11-23 09:40:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 363 transitions. [2018-11-23 09:40:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 09:40:02,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 261 states and 367 transitions. [2018-11-23 09:40:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 367 transitions. [2018-11-23 09:40:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 09:40:02,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 262 states and 368 transitions. [2018-11-23 09:40:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 368 transitions. [2018-11-23 09:40:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 09:40:02,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,787 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 09:40:02,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 268 states and 374 transitions. [2018-11-23 09:40:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 374 transitions. [2018-11-23 09:40:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 09:40:02,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 282 states and 393 transitions. [2018-11-23 09:40:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 393 transitions. [2018-11-23 09:40:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 09:40:03,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:03,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 308 states and 423 transitions. [2018-11-23 09:40:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 423 transitions. [2018-11-23 09:40:03,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 09:40:03,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 319 states and 436 transitions. [2018-11-23 09:40:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 436 transitions. [2018-11-23 09:40:04,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 09:40:04,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 344 states and 465 transitions. [2018-11-23 09:40:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 465 transitions. [2018-11-23 09:40:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 09:40:05,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 359 states and 482 transitions. [2018-11-23 09:40:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 482 transitions. [2018-11-23 09:40:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 09:40:05,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 361 states and 483 transitions. [2018-11-23 09:40:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 483 transitions. [2018-11-23 09:40:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 09:40:05,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 376 states and 503 transitions. [2018-11-23 09:40:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 503 transitions. [2018-11-23 09:40:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 09:40:06,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 390 states and 518 transitions. [2018-11-23 09:40:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 518 transitions. [2018-11-23 09:40:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 09:40:06,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 393 states and 522 transitions. [2018-11-23 09:40:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 522 transitions. [2018-11-23 09:40:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:40:06,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:40:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 418 states and 550 transitions. [2018-11-23 09:40:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 550 transitions. [2018-11-23 09:40:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:40:07,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:40:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 427 states and 559 transitions. [2018-11-23 09:40:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 559 transitions. [2018-11-23 09:40:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 09:40:07,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:40:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 429 states and 561 transitions. [2018-11-23 09:40:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 561 transitions. [2018-11-23 09:40:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 09:40:07,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 436 states and 573 transitions. [2018-11-23 09:40:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 573 transitions. [2018-11-23 09:40:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 09:40:07,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 442 states and 582 transitions. [2018-11-23 09:40:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 582 transitions. [2018-11-23 09:40:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 09:40:08,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:40:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 447 states and 589 transitions. [2018-11-23 09:40:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 589 transitions. [2018-11-23 09:40:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 09:40:08,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 495 states and 645 transitions. [2018-11-23 09:40:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 645 transitions. [2018-11-23 09:40:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 09:40:09,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 544 states and 707 transitions. [2018-11-23 09:40:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 707 transitions. [2018-11-23 09:40:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 09:40:11,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 575 states and 742 transitions. [2018-11-23 09:40:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 742 transitions. [2018-11-23 09:40:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 09:40:12,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:13,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 586 states and 752 transitions. [2018-11-23 09:40:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 752 transitions. [2018-11-23 09:40:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 09:40:13,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:13,047 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 09:40:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 591 states and 760 transitions. [2018-11-23 09:40:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2018-11-23 09:40:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 09:40:13,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:40:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 640 states and 815 transitions. [2018-11-23 09:40:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 815 transitions. [2018-11-23 09:40:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 09:40:14,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 09:40:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 649 states and 832 transitions. [2018-11-23 09:40:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 832 transitions. [2018-11-23 09:40:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 09:40:14,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 09:40:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 695 states and 886 transitions. [2018-11-23 09:40:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 886 transitions. [2018-11-23 09:40:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 09:40:17,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 09:40:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 726 states and 916 transitions. [2018-11-23 09:40:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 916 transitions. [2018-11-23 09:40:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 09:40:18,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 742 states and 938 transitions. [2018-11-23 09:40:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 938 transitions. [2018-11-23 09:40:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 09:40:19,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 767 states and 965 transitions. [2018-11-23 09:40:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 965 transitions. [2018-11-23 09:40:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 09:40:21,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:21,181 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 09:40:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 771 states and 968 transitions. [2018-11-23 09:40:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 968 transitions. [2018-11-23 09:40:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 09:40:21,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 823 states and 1032 transitions. [2018-11-23 09:40:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1032 transitions. [2018-11-23 09:40:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 09:40:23,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 840 states and 1048 transitions. [2018-11-23 09:40:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1048 transitions. [2018-11-23 09:40:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 09:40:24,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:40:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 857 states and 1066 transitions. [2018-11-23 09:40:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1066 transitions. [2018-11-23 09:40:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 09:40:24,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:24,178 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 09:40:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 860 states and 1070 transitions. [2018-11-23 09:40:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1070 transitions. [2018-11-23 09:40:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 09:40:24,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 09:40:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 861 states and 1071 transitions. [2018-11-23 09:40:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1071 transitions. [2018-11-23 09:40:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 09:40:24,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 09:40:24,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 862 states and 1071 transitions. [2018-11-23 09:40:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1071 transitions. [2018-11-23 09:40:24,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 09:40:24,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 09:40:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 873 states and 1085 transitions. [2018-11-23 09:40:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1085 transitions. [2018-11-23 09:40:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 09:40:25,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 09:40:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 875 states and 1087 transitions. [2018-11-23 09:40:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1087 transitions. [2018-11-23 09:40:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 09:40:25,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:40:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 905 states and 1126 transitions. [2018-11-23 09:40:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1126 transitions. [2018-11-23 09:40:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 09:40:27,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:40:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 914 states and 1134 transitions. [2018-11-23 09:40:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1134 transitions. [2018-11-23 09:40:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 09:40:27,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 09:40:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 916 states and 1136 transitions. [2018-11-23 09:40:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1136 transitions. [2018-11-23 09:40:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 09:40:28,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 956 states and 1186 transitions. [2018-11-23 09:40:29,841 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1186 transitions. [2018-11-23 09:40:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 09:40:29,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:40:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 971 states and 1206 transitions. [2018-11-23 09:40:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1206 transitions. [2018-11-23 09:40:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 09:40:31,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:40:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 976 states and 1212 transitions. [2018-11-23 09:40:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1212 transitions. [2018-11-23 09:40:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 09:40:31,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 09:40:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 978 states and 1214 transitions. [2018-11-23 09:40:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1214 transitions. [2018-11-23 09:40:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 09:40:31,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 09:40:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 979 states and 1214 transitions. [2018-11-23 09:40:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1214 transitions. [2018-11-23 09:40:32,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 09:40:32,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 09:40:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1003 states and 1240 transitions. [2018-11-23 09:40:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1240 transitions. [2018-11-23 09:40:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 09:40:32,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 09:40:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1069 states and 1313 transitions. [2018-11-23 09:40:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1313 transitions. [2018-11-23 09:40:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 09:40:34,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1118 states and 1372 transitions. [2018-11-23 09:40:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1372 transitions. [2018-11-23 09:40:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 09:40:37,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 09:40:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1119 states and 1373 transitions. [2018-11-23 09:40:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1373 transitions. [2018-11-23 09:40:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 09:40:37,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 111 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1128 states and 1386 transitions. [2018-11-23 09:40:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1386 transitions. [2018-11-23 09:40:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 09:40:39,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 111 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1152 states and 1412 transitions. [2018-11-23 09:40:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1412 transitions. [2018-11-23 09:40:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 09:40:40,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 111 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1153 states and 1413 transitions. [2018-11-23 09:40:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1413 transitions. [2018-11-23 09:40:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 09:40:41,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:40:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1168 states and 1438 transitions. [2018-11-23 09:40:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1438 transitions. [2018-11-23 09:40:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 09:40:43,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:40:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1177 states and 1446 transitions. [2018-11-23 09:40:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1446 transitions. [2018-11-23 09:40:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 09:40:44,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 150 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:46,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1200 states and 1474 transitions. [2018-11-23 09:40:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1474 transitions. [2018-11-23 09:40:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 09:40:46,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 150 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1205 states and 1479 transitions. [2018-11-23 09:40:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1479 transitions. [2018-11-23 09:40:47,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 09:40:47,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 09:40:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1274 states and 1552 transitions. [2018-11-23 09:40:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1552 transitions. [2018-11-23 09:40:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 09:40:48,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 09:40:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1275 states and 1552 transitions. [2018-11-23 09:40:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1552 transitions. [2018-11-23 09:40:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 09:40:48,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 09:40:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1281 states and 1558 transitions. [2018-11-23 09:40:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1558 transitions. [2018-11-23 09:40:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 09:40:49,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 09:40:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1383 states and 1668 transitions. [2018-11-23 09:40:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1668 transitions. [2018-11-23 09:40:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 09:40:51,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 09:40:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1385 states and 1669 transitions. [2018-11-23 09:40:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1669 transitions. [2018-11-23 09:40:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 09:40:51,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1439 states and 1738 transitions. [2018-11-23 09:40:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1738 transitions. [2018-11-23 09:40:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 09:40:56,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1444 states and 1744 transitions. [2018-11-23 09:40:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1744 transitions. [2018-11-23 09:40:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 09:40:57,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:59,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1483 states and 1792 transitions. [2018-11-23 09:40:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1792 transitions. [2018-11-23 09:40:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 09:40:59,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:40:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:40:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:40:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1483 states and 1791 transitions. [2018-11-23 09:40:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1791 transitions. [2018-11-23 09:40:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 09:40:59,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:40:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:41:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1507 states and 1818 transitions. [2018-11-23 09:41:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1818 transitions. [2018-11-23 09:41:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 09:41:00,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:41:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1526 states and 1840 transitions. [2018-11-23 09:41:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1840 transitions. [2018-11-23 09:41:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 09:41:02,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 09:41:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1558 states and 1875 transitions. [2018-11-23 09:41:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1875 transitions. [2018-11-23 09:41:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 09:41:05,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 09:41:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1625 states and 1944 transitions. [2018-11-23 09:41:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1944 transitions. [2018-11-23 09:41:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 09:41:06,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-23 09:41:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1670 states and 1992 transitions. [2018-11-23 09:41:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 1992 transitions. [2018-11-23 09:41:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 09:41:11,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-23 09:41:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1673 states and 1995 transitions. [2018-11-23 09:41:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 1995 transitions. [2018-11-23 09:41:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:41:11,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 09:41:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1716 states and 2042 transitions. [2018-11-23 09:41:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2042 transitions. [2018-11-23 09:41:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:41:12,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 09:41:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1718 states and 2044 transitions. [2018-11-23 09:41:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2044 transitions. [2018-11-23 09:41:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 09:41:13,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 09:41:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 1725 states and 2053 transitions. [2018-11-23 09:41:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2053 transitions. [2018-11-23 09:41:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 09:41:13,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-23 09:41:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 1795 states and 2126 transitions. [2018-11-23 09:41:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2126 transitions. [2018-11-23 09:41:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 09:41:14,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-11-23 09:41:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1799 states and 2129 transitions. [2018-11-23 09:41:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2129 transitions. [2018-11-23 09:41:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:41:14,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:41:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1834 states and 2166 transitions. [2018-11-23 09:41:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2166 transitions. [2018-11-23 09:41:18,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:41:18,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:41:19,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1840 states and 2174 transitions. [2018-11-23 09:41:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2174 transitions. [2018-11-23 09:41:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:41:19,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:41:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1848 states and 2183 transitions. [2018-11-23 09:41:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2183 transitions. [2018-11-23 09:41:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:41:20,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:41:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1851 states and 2185 transitions. [2018-11-23 09:41:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2185 transitions. [2018-11-23 09:41:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 09:41:20,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 09:41:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1877 states and 2214 transitions. [2018-11-23 09:41:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2214 transitions. [2018-11-23 09:41:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 09:41:24,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 09:41:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1883 states and 2219 transitions. [2018-11-23 09:41:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2219 transitions. [2018-11-23 09:41:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 09:41:25,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:41:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1918 states and 2257 transitions. [2018-11-23 09:41:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2257 transitions. [2018-11-23 09:41:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 09:41:30,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:41:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1955 states and 2293 transitions. [2018-11-23 09:41:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2293 transitions. [2018-11-23 09:41:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 09:41:33,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 09:41:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2004 states and 2345 transitions. [2018-11-23 09:41:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2345 transitions. [2018-11-23 09:41:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:41:37,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:41:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2029 states and 2369 transitions. [2018-11-23 09:41:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2369 transitions. [2018-11-23 09:41:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:41:40,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:41:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2077 states and 2417 transitions. [2018-11-23 09:41:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2417 transitions. [2018-11-23 09:41:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:41:44,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:41:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2083 states and 2422 transitions. [2018-11-23 09:41:44,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2422 transitions. [2018-11-23 09:41:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 09:41:44,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 09:41:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2085 states and 2424 transitions. [2018-11-23 09:41:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2424 transitions. [2018-11-23 09:41:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 09:41:45,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 288 proven. 5 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 09:41:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2091 states and 2431 transitions. [2018-11-23 09:41:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2431 transitions. [2018-11-23 09:41:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 09:41:45,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 09:41:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2110 states and 2453 transitions. [2018-11-23 09:41:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2453 transitions. [2018-11-23 09:41:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-23 09:41:46,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-23 09:41:50,679 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-23 09:41:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2216 states and 2584 transitions. [2018-11-23 09:41:54,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2584 transitions. [2018-11-23 09:41:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-23 09:41:54,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2018-11-23 09:41:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2217 states and 2584 transitions. [2018-11-23 09:41:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2584 transitions. [2018-11-23 09:41:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-23 09:41:55,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-23 09:41:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2225 states and 2594 transitions. [2018-11-23 09:41:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2594 transitions. [2018-11-23 09:41:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-23 09:41:55,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 09:42:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2313 states and 2694 transitions. [2018-11-23 09:42:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2694 transitions. [2018-11-23 09:42:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-23 09:42:04,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 432 proven. 10 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-11-23 09:42:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2175 states and 2543 transitions. [2018-11-23 09:42:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2543 transitions. [2018-11-23 09:42:05,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:42:05,745 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 107 iterations. [2018-11-23 09:42:05,750 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 09:42:05,933 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2018-11-23 09:42:06,171 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-23 09:42:06,446 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 53 [2018-11-23 09:42:06,630 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2018-11-23 09:42:06,847 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-23 09:42:07,081 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-23 09:42:07,214 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 28 [2018-11-23 09:42:07,383 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2018-11-23 09:42:07,621 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 53 [2018-11-23 09:42:07,806 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 28 [2018-11-23 09:42:08,043 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 59 [2018-11-23 09:42:08,210 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2018-11-23 09:42:08,430 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2018-11-23 09:42:08,699 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 38 [2018-11-23 09:42:09,011 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 60 [2018-11-23 09:42:09,261 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 53 [2018-11-23 09:42:09,434 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2018-11-23 09:42:09,649 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-23 09:42:09,900 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-23 09:42:10,125 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2018-11-23 09:42:10,292 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 54 [2018-11-23 09:42:10,460 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 54 [2018-11-23 09:42:10,696 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 56 [2018-11-23 09:42:10,907 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 56 [2018-11-23 09:42:11,073 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 54 [2018-11-23 09:42:11,460 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-23 09:42:11,663 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 38 [2018-11-23 09:42:12,023 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 60 [2018-11-23 09:42:12,297 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-23 09:42:12,547 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-23 09:42:12,907 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 60 [2018-11-23 09:42:13,220 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2018-11-23 09:42:13,517 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 60 [2018-11-23 09:42:13,710 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 58 [2018-11-23 09:42:13,972 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 53 [2018-11-23 09:42:14,259 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 66 [2018-11-23 09:42:14,617 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-23 09:42:14,817 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2018-11-23 09:42:15,039 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 53 [2018-11-23 09:42:15,373 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-23 09:42:15,630 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 53 [2018-11-23 09:42:15,952 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 60 [2018-11-23 09:42:16,159 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 37 [2018-11-23 09:42:16,160 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 09:42:16,162 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-23 09:42:16,169 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-23 09:42:16,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 09:42:16 ImpRootNode [2018-11-23 09:42:16,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 09:42:16,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:42:16,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:42:16,171 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:42:16,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:00" (3/4) ... [2018-11-23 09:42:16,176 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:42:16,193 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 09:42:16,194 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 09:42:16,195 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:42:16,304 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b68a661-ab69-43f5-b3ff-b5d4e448db7e/bin-2019/ukojak/witness.graphml [2018-11-23 09:42:16,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:42:16,304 INFO L168 Benchmark]: Toolchain (without parser) took 137924.80 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 945.7 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 786.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,305 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:42:16,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.15 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 913.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -219.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,307 INFO L168 Benchmark]: Boogie Preprocessor took 40.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,307 INFO L168 Benchmark]: RCFGBuilder took 1273.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.1 MB in the end (delta: 231.3 MB). Peak memory consumption was 231.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,308 INFO L168 Benchmark]: CodeCheck took 135983.96 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 896.1 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,308 INFO L168 Benchmark]: Witness Printer took 132.92 ms. Allocated memory is still 3.6 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 4.7 kB). Peak memory consumption was 4.7 kB. Max. memory is 11.5 GB. [2018-11-23 09:42:16,310 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, 125.5s OverallTime, 107 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1550810540 SDtfs, 2109615584 SDslu, -914174430 SDs, 0 SdLazy, -339590676 SolverSat, 1593869806 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 306.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122253 GetRequests, 116867 SyntacticMatches, 4018 SemanticMatches, 1368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447095 ImplicationChecksByTransitivity, 108.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 18248 NumberOfCodeBlocks, 18248 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 18142 ConstructedInterpolants, 0 QuantifiedInterpolants, 24775429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 106 InterpolantComputations, 77 PerfectInterpolantSequences, 18267/18848 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: 446]: 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: (((a17 == 1 || !(a8 == 13)) || !(a7 == 1)) || ((((!(a21 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || ((((!(a21 == 1) && a16 == 4) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a8 == 13)) || !(a7 == 1)) || ((((!(a21 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || ((((!(a21 == 1) && a16 == 4) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.15 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 913.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -219.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.82 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1273.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.1 MB in the end (delta: 231.3 MB). Peak memory consumption was 231.3 MB. Max. memory is 11.5 GB. * CodeCheck took 135983.96 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 896.1 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 132.92 ms. Allocated memory is still 3.6 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 4.7 kB). Peak memory consumption was 4.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...