./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/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 3bc052be4bf83a6b89bc47d6157f3742948fabcf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:50:24,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:50:24,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:50:24,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:50:24,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:50:24,118 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:50:24,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:50:24,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:50:24,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:50:24,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:50:24,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:50:24,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:50:24,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:50:24,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:50:24,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:50:24,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:50:24,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:50:24,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:50:24,129 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:50:24,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:50:24,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:50:24,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:50:24,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:50:24,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:50:24,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:50:24,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:50:24,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:50:24,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:50:24,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:50:24,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:50:24,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:50:24,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:50:24,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:50:24,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:50:24,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:50:24,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:50:24,141 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:50:24,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:50:24,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:50:24,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:50:24,152 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:50:24,152 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:50:24,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:50:24,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:50:24,153 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:50:24,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:50:24,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:50:24,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:50:24,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:50:24,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:50:24,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:50:24,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:50:24,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:50:24,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:50:24,154 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:50:24,154 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:50:24,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:50:24,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:50:24,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:50:24,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:50:24,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:50:24,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:50:24,155 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:50:24,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:50:24,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:50:24,155 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_880b3266-c426-4701-91ad-592565511840/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 -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2018-11-10 03:50:24,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:50:24,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:50:24,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:50:24,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:50:24,190 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:50:24,190 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-10 03:50:24,227 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/data/972e3bb32/1e23e98c7f0049ffac703be0ac76e1e0/FLAGf9fd9547c [2018-11-10 03:50:24,595 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:50:24,596 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-10 03:50:24,606 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/data/972e3bb32/1e23e98c7f0049ffac703be0ac76e1e0/FLAGf9fd9547c [2018-11-10 03:50:24,617 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/data/972e3bb32/1e23e98c7f0049ffac703be0ac76e1e0 [2018-11-10 03:50:24,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:50:24,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:50:24,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:50:24,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:50:24,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:50:24,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:24,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24, skipping insertion in model container [2018-11-10 03:50:24,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:24,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:50:24,665 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:50:24,890 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:50:24,894 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:50:24,958 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:50:24,971 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:50:24,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24 WrapperNode [2018-11-10 03:50:24,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:50:24,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:50:24,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:50:24,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:50:24,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:24,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:50:25,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:50:25,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:50:25,075 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:50:25,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... [2018-11-10 03:50:25,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:50:25,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:50:25,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:50:25,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:50:25,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:50:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/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 [2018-11-10 03:50:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 03:50:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:50:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:50:26,760 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:50:26,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:50:26 BoogieIcfgContainer [2018-11-10 03:50:26,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:50:26,762 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:50:26,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:50:26,770 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:50:26,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:50:26" (1/1) ... [2018-11-10 03:50:26,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:50:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 03:50:26,808 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 03:50:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 03:50:26,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-10 03:50:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-10 03:50:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 03:50:27,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 03:50:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-10 03:50:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-10 03:50:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 03:50:27,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-10 03:50:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-10 03:50:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 03:50:27,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-10 03:50:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-10 03:50:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 03:50:28,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-10 03:50:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-10 03:50:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 03:50:28,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-10 03:50:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-10 03:50:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 03:50:28,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-10 03:50:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-10 03:50:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 03:50:28,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 03:50:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-10 03:50:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-10 03:50:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 03:50:29,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 03:50:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-10 03:50:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-10 03:50:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 03:50:29,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 03:50:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-10 03:50:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-10 03:50:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 03:50:29,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 338 states and 459 transitions. [2018-11-10 03:50:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 459 transitions. [2018-11-10 03:50:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 03:50:30,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 369 states and 498 transitions. [2018-11-10 03:50:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 498 transitions. [2018-11-10 03:50:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 03:50:30,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 388 states and 519 transitions. [2018-11-10 03:50:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2018-11-10 03:50:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 03:50:30,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 395 states and 530 transitions. [2018-11-10 03:50:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 530 transitions. [2018-11-10 03:50:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 03:50:31,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 426 states and 566 transitions. [2018-11-10 03:50:32,155 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 566 transitions. [2018-11-10 03:50:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 03:50:32,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 430 states and 570 transitions. [2018-11-10 03:50:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 570 transitions. [2018-11-10 03:50:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 03:50:32,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 435 states and 575 transitions. [2018-11-10 03:50:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2018-11-10 03:50:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 03:50:32,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:32,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 448 states and 589 transitions. [2018-11-10 03:50:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 589 transitions. [2018-11-10 03:50:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 03:50:32,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 467 states and 611 transitions. [2018-11-10 03:50:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 611 transitions. [2018-11-10 03:50:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 03:50:32,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,771 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 03:50:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 471 states and 614 transitions. [2018-11-10 03:50:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 614 transitions. [2018-11-10 03:50:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 03:50:32,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 476 states and 618 transitions. [2018-11-10 03:50:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 618 transitions. [2018-11-10 03:50:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 03:50:32,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 478 states and 621 transitions. [2018-11-10 03:50:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 621 transitions. [2018-11-10 03:50:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 03:50:33,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 492 states and 636 transitions. [2018-11-10 03:50:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 636 transitions. [2018-11-10 03:50:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 03:50:33,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 497 states and 642 transitions. [2018-11-10 03:50:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 642 transitions. [2018-11-10 03:50:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 03:50:33,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 539 states and 695 transitions. [2018-11-10 03:50:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 695 transitions. [2018-11-10 03:50:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 03:50:35,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 560 states and 716 transitions. [2018-11-10 03:50:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 716 transitions. [2018-11-10 03:50:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 03:50:35,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 587 states and 743 transitions. [2018-11-10 03:50:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 743 transitions. [2018-11-10 03:50:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 03:50:35,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 592 states and 748 transitions. [2018-11-10 03:50:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 748 transitions. [2018-11-10 03:50:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 03:50:35,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 593 states and 749 transitions. [2018-11-10 03:50:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 749 transitions. [2018-11-10 03:50:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 03:50:35,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 652 states and 814 transitions. [2018-11-10 03:50:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 814 transitions. [2018-11-10 03:50:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 03:50:38,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 671 states and 836 transitions. [2018-11-10 03:50:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 836 transitions. [2018-11-10 03:50:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 03:50:38,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 672 states and 838 transitions. [2018-11-10 03:50:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 838 transitions. [2018-11-10 03:50:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 03:50:38,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 741 states and 921 transitions. [2018-11-10 03:50:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 921 transitions. [2018-11-10 03:50:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 03:50:41,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 745 states and 925 transitions. [2018-11-10 03:50:42,051 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 925 transitions. [2018-11-10 03:50:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 03:50:42,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 762 states and 942 transitions. [2018-11-10 03:50:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 942 transitions. [2018-11-10 03:50:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 03:50:42,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 809 states and 991 transitions. [2018-11-10 03:50:44,303 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 991 transitions. [2018-11-10 03:50:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 03:50:44,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 821 states and 1003 transitions. [2018-11-10 03:50:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1003 transitions. [2018-11-10 03:50:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 03:50:44,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 825 states and 1007 transitions. [2018-11-10 03:50:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1007 transitions. [2018-11-10 03:50:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 03:50:44,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 03:50:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 827 states and 1008 transitions. [2018-11-10 03:50:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1008 transitions. [2018-11-10 03:50:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 03:50:44,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 829 states and 1010 transitions. [2018-11-10 03:50:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1010 transitions. [2018-11-10 03:50:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 03:50:45,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 833 states and 1017 transitions. [2018-11-10 03:50:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1017 transitions. [2018-11-10 03:50:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 03:50:45,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 860 states and 1046 transitions. [2018-11-10 03:50:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1046 transitions. [2018-11-10 03:50:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 03:50:46,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 03:50:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 862 states and 1048 transitions. [2018-11-10 03:50:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1048 transitions. [2018-11-10 03:50:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 03:50:46,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 874 states and 1065 transitions. [2018-11-10 03:50:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1065 transitions. [2018-11-10 03:50:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 03:50:47,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 878 states and 1070 transitions. [2018-11-10 03:50:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1070 transitions. [2018-11-10 03:50:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 03:50:47,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 898 states and 1095 transitions. [2018-11-10 03:50:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1095 transitions. [2018-11-10 03:50:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 03:50:48,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 03:50:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 900 states and 1096 transitions. [2018-11-10 03:50:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1096 transitions. [2018-11-10 03:50:49,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 03:50:49,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:50:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 980 states and 1182 transitions. [2018-11-10 03:50:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1182 transitions. [2018-11-10 03:50:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 03:50:49,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1052 states and 1260 transitions. [2018-11-10 03:50:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1260 transitions. [2018-11-10 03:50:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 03:50:50,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1082 states and 1291 transitions. [2018-11-10 03:50:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1291 transitions. [2018-11-10 03:50:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 03:50:50,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1107 states and 1316 transitions. [2018-11-10 03:50:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1316 transitions. [2018-11-10 03:50:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 03:50:52,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:52,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1132 states and 1340 transitions. [2018-11-10 03:50:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1340 transitions. [2018-11-10 03:50:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 03:50:52,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:50:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1164 states and 1372 transitions. [2018-11-10 03:50:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1372 transitions. [2018-11-10 03:50:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 03:50:53,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1166 states and 1373 transitions. [2018-11-10 03:50:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1373 transitions. [2018-11-10 03:50:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 03:50:53,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 03:50:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1172 states and 1378 transitions. [2018-11-10 03:50:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1378 transitions. [2018-11-10 03:50:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 03:50:54,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:50:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1249 states and 1464 transitions. [2018-11-10 03:50:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1464 transitions. [2018-11-10 03:50:55,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 03:50:55,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1254 states and 1469 transitions. [2018-11-10 03:50:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1469 transitions. [2018-11-10 03:50:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 03:50:55,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:50:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1279 states and 1494 transitions. [2018-11-10 03:50:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1494 transitions. [2018-11-10 03:50:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 03:50:55,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:50:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1286 states and 1507 transitions. [2018-11-10 03:50:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1507 transitions. [2018-11-10 03:50:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 03:50:56,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 03:50:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1292 states and 1516 transitions. [2018-11-10 03:50:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1516 transitions. [2018-11-10 03:50:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 03:50:56,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 03:50:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1293 states and 1516 transitions. [2018-11-10 03:50:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1516 transitions. [2018-11-10 03:50:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 03:50:56,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1328 states and 1555 transitions. [2018-11-10 03:50:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1555 transitions. [2018-11-10 03:50:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 03:50:57,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:50:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1330 states and 1556 transitions. [2018-11-10 03:50:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1556 transitions. [2018-11-10 03:50:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 03:50:58,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:50:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1350 states and 1580 transitions. [2018-11-10 03:50:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1580 transitions. [2018-11-10 03:50:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 03:50:58,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:50:58,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1354 states and 1584 transitions. [2018-11-10 03:50:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1584 transitions. [2018-11-10 03:50:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 03:50:58,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 03:50:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:50:59,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1401 states and 1637 transitions. [2018-11-10 03:50:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1637 transitions. [2018-11-10 03:50:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 03:50:59,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:50:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:50:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 03:51:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1407 states and 1643 transitions. [2018-11-10 03:51:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1643 transitions. [2018-11-10 03:51:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 03:51:00,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 03:51:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1412 states and 1648 transitions. [2018-11-10 03:51:00,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1648 transitions. [2018-11-10 03:51:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 03:51:00,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:51:01,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1446 states and 1688 transitions. [2018-11-10 03:51:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1688 transitions. [2018-11-10 03:51:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 03:51:01,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:51:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1457 states and 1698 transitions. [2018-11-10 03:51:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1698 transitions. [2018-11-10 03:51:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 03:51:01,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:51:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1461 states and 1704 transitions. [2018-11-10 03:51:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1704 transitions. [2018-11-10 03:51:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 03:51:01,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:51:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1473 states and 1716 transitions. [2018-11-10 03:51:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1716 transitions. [2018-11-10 03:51:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 03:51:02,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:51:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1480 states and 1722 transitions. [2018-11-10 03:51:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1722 transitions. [2018-11-10 03:51:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-10 03:51:02,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 03:51:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1485 states and 1727 transitions. [2018-11-10 03:51:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1727 transitions. [2018-11-10 03:51:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 03:51:02,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:51:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1540 states and 1792 transitions. [2018-11-10 03:51:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1792 transitions. [2018-11-10 03:51:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 03:51:04,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:51:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1543 states and 1795 transitions. [2018-11-10 03:51:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1795 transitions. [2018-11-10 03:51:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 03:51:04,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:51:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1575 states and 1826 transitions. [2018-11-10 03:51:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1826 transitions. [2018-11-10 03:51:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 03:51:05,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:51:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1593 states and 1845 transitions. [2018-11-10 03:51:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1845 transitions. [2018-11-10 03:51:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 03:51:05,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 03:51:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1607 states and 1859 transitions. [2018-11-10 03:51:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1859 transitions. [2018-11-10 03:51:06,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 03:51:06,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 03:51:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1609 states and 1860 transitions. [2018-11-10 03:51:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1860 transitions. [2018-11-10 03:51:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 03:51:06,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 03:51:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1612 states and 1862 transitions. [2018-11-10 03:51:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1862 transitions. [2018-11-10 03:51:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 03:51:06,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1691 states and 1957 transitions. [2018-11-10 03:51:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1957 transitions. [2018-11-10 03:51:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 03:51:10,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1695 states and 1961 transitions. [2018-11-10 03:51:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1961 transitions. [2018-11-10 03:51:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 03:51:10,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1700 states and 1965 transitions. [2018-11-10 03:51:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1965 transitions. [2018-11-10 03:51:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-10 03:51:11,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 03:51:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1713 states and 1979 transitions. [2018-11-10 03:51:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 1979 transitions. [2018-11-10 03:51:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 03:51:11,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 03:51:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1793 states and 2062 transitions. [2018-11-10 03:51:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2062 transitions. [2018-11-10 03:51:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 03:51:12,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-10 03:51:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1811 states and 2082 transitions. [2018-11-10 03:51:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2082 transitions. [2018-11-10 03:51:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 03:51:12,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-10 03:51:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1812 states and 2082 transitions. [2018-11-10 03:51:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2082 transitions. [2018-11-10 03:51:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 03:51:13,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-10 03:51:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1813 states and 2083 transitions. [2018-11-10 03:51:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2083 transitions. [2018-11-10 03:51:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 03:51:13,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-10 03:51:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1730 states and 1997 transitions. [2018-11-10 03:51:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 1997 transitions. [2018-11-10 03:51:13,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:51:13,659 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 91 iterations. [2018-11-10 03:51:13,665 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:51:16,878 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:16,880 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 03:51:16,884 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 03:51:16,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:51:16 ImpRootNode [2018-11-10 03:51:16,885 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:51:16,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:51:16,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:51:16,885 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:51:16,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:50:26" (3/4) ... [2018-11-10 03:51:16,889 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:51:16,905 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-10 03:51:16,906 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 03:51:16,907 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 03:51:16,909 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 03:51:17,000 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_880b3266-c426-4701-91ad-592565511840/bin-2019/ukojak/witness.graphml [2018-11-10 03:51:17,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:51:17,001 INFO L168 Benchmark]: Toolchain (without parser) took 52380.39 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 957.6 MB in the beginning and 1.3 GB in the end (delta: -332.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,002 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:51:17,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.57 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 920.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 920.1 MB in the beginning and 1.1 GB in the end (delta: -220.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,003 INFO L168 Benchmark]: Boogie Preprocessor took 39.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,003 INFO L168 Benchmark]: RCFGBuilder took 1647.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.3 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,003 INFO L168 Benchmark]: CodeCheck took 50123.28 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 891.3 MB in the beginning and 1.3 GB in the end (delta: -399.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,003 INFO L168 Benchmark]: Witness Printer took 115.24 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 139.6 kB). Peak memory consumption was 139.6 kB. Max. memory is 11.5 GB. [2018-11-10 03:51:17,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 46.8s OverallTime, 91 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1337985120 SDtfs, 199822176 SDslu, -1639955712 SDs, 0 SdLazy, -65012280 SolverSat, 1616279424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 221.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100164 GetRequests, 98406 SyntacticMatches, 1044 SemanticMatches, 714 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374150 ImplicationChecksByTransitivity, 36.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 15385 NumberOfCodeBlocks, 15385 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 15295 ConstructedInterpolants, 0 QuantifiedInterpolants, 7017286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 73 PerfectInterpolantSequences, 11757/12050 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: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a19 == 1 || !(a25 == 1)) || a17 == 8) || !(a28 == 11) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a28 == 11) || a19 == 1) || a17 == 8) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.57 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 920.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 920.1 MB in the beginning and 1.1 GB in the end (delta: -220.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1647.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.3 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. * CodeCheck took 50123.28 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 891.3 MB in the beginning and 1.3 GB in the end (delta: -399.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 115.24 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 139.6 kB). Peak memory consumption was 139.6 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...