./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i --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_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/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 4fc86a08ff37d05adddb13279399a852f6ece83c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:23:45,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:23:45,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:23:45,469 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:23:45,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:23:45,471 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:23:45,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:23:45,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:23:45,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:23:45,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:23:45,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:23:45,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:23:45,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:23:45,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:23:45,487 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:23:45,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:23:45,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:23:45,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:23:45,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:23:45,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:23:45,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:23:45,495 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:23:45,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:23:45,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:23:45,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:23:45,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:23:45,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:23:45,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:23:45,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:23:45,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:23:45,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:23:45,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:23:45,504 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:23:45,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:23:45,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:23:45,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:23:45,505 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:23:45,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:23:45,520 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:23:45,521 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:23:45,521 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:23:45,522 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:23:45,523 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:23:45,523 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:23:45,523 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:23:45,523 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:23:45,523 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:23:45,524 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:23:45,524 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:23:45,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:23:45,525 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:23:45,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:23:45,525 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:23:45,525 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:23:45,525 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:23:45,525 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:23:45,526 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:23:45,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:23:45,526 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_1f021704-dfad-4e18-8946-4d5040041c0a/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 -> 4fc86a08ff37d05adddb13279399a852f6ece83c [2018-10-26 19:23:45,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:23:45,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:23:45,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:23:45,567 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:23:45,567 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:23:45,568 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-10-26 19:23:45,611 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/data/35c0e698c/8237511552da44b7a8ddb9f7662cbf36/FLAGe4946bbc6 [2018-10-26 19:23:45,985 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:23:45,985 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-10-26 19:23:45,990 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/data/35c0e698c/8237511552da44b7a8ddb9f7662cbf36/FLAGe4946bbc6 [2018-10-26 19:23:46,006 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/data/35c0e698c/8237511552da44b7a8ddb9f7662cbf36 [2018-10-26 19:23:46,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:23:46,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:23:46,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:23:46,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:23:46,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:23:46,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed68ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46, skipping insertion in model container [2018-10-26 19:23:46,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:23:46,048 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:23:46,162 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:23:46,165 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:23:46,182 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:23:46,193 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:23:46,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46 WrapperNode [2018-10-26 19:23:46,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:23:46,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:23:46,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:23:46,194 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:23:46,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:23:46,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:23:46,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:23:46,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:23:46,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:23:46,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:23:46,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:23:46,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:23:46,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:23:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/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 [2018-10-26 19:23:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:23:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:23:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 19:23:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 19:23:46,837 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:23:46,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:23:46 BoogieIcfgContainer [2018-10-26 19:23:46,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:23:46,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:23:46,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:23:46,845 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:23:46,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:23:46" (1/1) ... [2018-10-26 19:23:46,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:23:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-10-26 19:23:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-10-26 19:23:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:23:46,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-10-26 19:23:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-10-26 19:23:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:23:47,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2018-10-26 19:23:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2018-10-26 19:23:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:23:47,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2018-10-26 19:23:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2018-10-26 19:23:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:23:48,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 91 transitions. [2018-10-26 19:23:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2018-10-26 19:23:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:23:48,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 96 transitions. [2018-10-26 19:23:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-10-26 19:23:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:23:48,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 112 transitions. [2018-10-26 19:23:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2018-10-26 19:23:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:23:49,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:49,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 118 transitions. [2018-10-26 19:23:49,802 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2018-10-26 19:23:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:23:49,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 68 states and 137 transitions. [2018-10-26 19:23:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 137 transitions. [2018-10-26 19:23:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:23:50,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:23:51,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 143 transitions. [2018-10-26 19:23:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2018-10-26 19:23:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 19:23:51,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:23:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 146 transitions. [2018-10-26 19:23:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2018-10-26 19:23:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 19:23:51,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:23:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 78 states and 163 transitions. [2018-10-26 19:23:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 163 transitions. [2018-10-26 19:23:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 19:23:52,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:23:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 82 states and 172 transitions. [2018-10-26 19:23:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 172 transitions. [2018-10-26 19:23:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:23:52,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:23:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 175 transitions. [2018-10-26 19:23:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 175 transitions. [2018-10-26 19:23:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 19:23:52,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:23:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 91 states and 195 transitions. [2018-10-26 19:23:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 195 transitions. [2018-10-26 19:23:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:23:55,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:23:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 94 states and 202 transitions. [2018-10-26 19:23:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2018-10-26 19:23:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:23:55,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:23:56,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 97 states and 210 transitions. [2018-10-26 19:23:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 210 transitions. [2018-10-26 19:23:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 19:23:56,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:23:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 101 states and 220 transitions. [2018-10-26 19:23:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 220 transitions. [2018-10-26 19:23:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 19:23:57,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:57,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:23:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 109 states and 242 transitions. [2018-10-26 19:23:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 242 transitions. [2018-10-26 19:23:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:23:59,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 19:23:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:23:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 112 states and 247 transitions. [2018-10-26 19:23:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 247 transitions. [2018-10-26 19:23:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 19:23:59,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:23:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:23:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 19:24:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 117 states and 260 transitions. [2018-10-26 19:24:00,564 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 260 transitions. [2018-10-26 19:24:00,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:24:00,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:24:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 120 states and 266 transitions. [2018-10-26 19:24:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 266 transitions. [2018-10-26 19:24:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:24:01,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:24:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 122 states and 268 transitions. [2018-10-26 19:24:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 268 transitions. [2018-10-26 19:24:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:24:03,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:24:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 124 states and 270 transitions. [2018-10-26 19:24:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 270 transitions. [2018-10-26 19:24:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 19:24:03,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 19:24:03,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 125 states and 272 transitions. [2018-10-26 19:24:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 272 transitions. [2018-10-26 19:24:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 19:24:03,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 19:24:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 129 states and 282 transitions. [2018-10-26 19:24:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 282 transitions. [2018-10-26 19:24:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 19:24:04,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 19:24:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 140 states and 313 transitions. [2018-10-26 19:24:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 313 transitions. [2018-10-26 19:24:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 19:24:07,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 19:24:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 146 states and 328 transitions. [2018-10-26 19:24:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 328 transitions. [2018-10-26 19:24:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 19:24:08,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 19:24:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 147 states and 331 transitions. [2018-10-26 19:24:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 331 transitions. [2018-10-26 19:24:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:24:09,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 19:24:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 151 states and 340 transitions. [2018-10-26 19:24:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 340 transitions. [2018-10-26 19:24:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:24:09,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 19:24:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 152 states and 341 transitions. [2018-10-26 19:24:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 341 transitions. [2018-10-26 19:24:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:24:10,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 19:24:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 153 states and 343 transitions. [2018-10-26 19:24:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 343 transitions. [2018-10-26 19:24:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:24:10,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 19:24:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 161 states and 368 transitions. [2018-10-26 19:24:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 368 transitions. [2018-10-26 19:24:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:24:13,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 19:24:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 163 states and 370 transitions. [2018-10-26 19:24:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 370 transitions. [2018-10-26 19:24:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:24:13,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 19:24:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 168 states and 381 transitions. [2018-10-26 19:24:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 381 transitions. [2018-10-26 19:24:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 19:24:15,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 19:24:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 168 states and 380 transitions. [2018-10-26 19:24:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 380 transitions. [2018-10-26 19:24:15,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 19:24:15,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 19:24:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 173 states and 389 transitions. [2018-10-26 19:24:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 389 transitions. [2018-10-26 19:24:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 19:24:16,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 19:24:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:20,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 180 states and 419 transitions. [2018-10-26 19:24:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 419 transitions. [2018-10-26 19:24:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 19:24:20,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 19:24:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 181 states and 421 transitions. [2018-10-26 19:24:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 421 transitions. [2018-10-26 19:24:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:21,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:24:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 190 states and 453 transitions. [2018-10-26 19:24:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 453 transitions. [2018-10-26 19:24:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:23,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:23,717 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:24:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 192 states and 460 transitions. [2018-10-26 19:24:24,682 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 460 transitions. [2018-10-26 19:24:24,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:24,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:24:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 199 states and 479 transitions. [2018-10-26 19:24:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 479 transitions. [2018-10-26 19:24:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:26,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:24:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 201 states and 486 transitions. [2018-10-26 19:24:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 486 transitions. [2018-10-26 19:24:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:27,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:24:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 202 states and 487 transitions. [2018-10-26 19:24:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 487 transitions. [2018-10-26 19:24:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:28,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:24:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 203 states and 490 transitions. [2018-10-26 19:24:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 490 transitions. [2018-10-26 19:24:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:24:28,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:24:30,398 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 19:24:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 204 states and 492 transitions. [2018-10-26 19:24:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 492 transitions. [2018-10-26 19:24:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 19:24:30,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 12 proven. 34 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:24:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 209 states and 507 transitions. [2018-10-26 19:24:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 507 transitions. [2018-10-26 19:24:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 19:24:32,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:24:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 214 states and 516 transitions. [2018-10-26 19:24:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 516 transitions. [2018-10-26 19:24:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 19:24:34,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 19:24:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 214 states and 515 transitions. [2018-10-26 19:24:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 515 transitions. [2018-10-26 19:24:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:24:34,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-26 19:24:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 221 states and 535 transitions. [2018-10-26 19:24:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 535 transitions. [2018-10-26 19:24:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:24:36,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-26 19:24:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 222 states and 539 transitions. [2018-10-26 19:24:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 539 transitions. [2018-10-26 19:24:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:24:37,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-26 19:24:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 223 states and 541 transitions. [2018-10-26 19:24:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 541 transitions. [2018-10-26 19:24:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 19:24:38,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-26 19:24:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 224 states and 543 transitions. [2018-10-26 19:24:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 543 transitions. [2018-10-26 19:24:38,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 19:24:38,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 19:24:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 235 states and 572 transitions. [2018-10-26 19:24:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 572 transitions. [2018-10-26 19:24:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 19:24:42,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-26 19:24:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 242 states and 590 transitions. [2018-10-26 19:24:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 590 transitions. [2018-10-26 19:24:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 19:24:45,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 41 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-26 19:24:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 242 states and 588 transitions. [2018-10-26 19:24:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 588 transitions. [2018-10-26 19:24:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 19:24:45,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-26 19:24:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:46,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 242 states and 586 transitions. [2018-10-26 19:24:46,236 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 586 transitions. [2018-10-26 19:24:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 19:24:46,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:24:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 248 states and 605 transitions. [2018-10-26 19:24:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 605 transitions. [2018-10-26 19:24:48,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 19:24:48,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:24:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 252 states and 615 transitions. [2018-10-26 19:24:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 615 transitions. [2018-10-26 19:24:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 19:24:49,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:24:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 253 states and 618 transitions. [2018-10-26 19:24:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 618 transitions. [2018-10-26 19:24:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 19:24:50,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:24:51,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 255 states and 621 transitions. [2018-10-26 19:24:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 621 transitions. [2018-10-26 19:24:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 19:24:51,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:24:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 256 states and 623 transitions. [2018-10-26 19:24:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 623 transitions. [2018-10-26 19:24:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:24:52,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 30 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-10-26 19:24:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 264 states and 643 transitions. [2018-10-26 19:24:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 643 transitions. [2018-10-26 19:24:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:24:54,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 30 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-10-26 19:24:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 266 states and 646 transitions. [2018-10-26 19:24:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 646 transitions. [2018-10-26 19:24:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 19:24:55,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 43 proven. 73 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-10-26 19:24:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 269 states and 650 transitions. [2018-10-26 19:24:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 650 transitions. [2018-10-26 19:24:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:24:56,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 54 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-10-26 19:24:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 280 states and 680 transitions. [2018-10-26 19:24:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 680 transitions. [2018-10-26 19:24:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:24:59,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 54 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-10-26 19:25:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 281 states and 682 transitions. [2018-10-26 19:25:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 682 transitions. [2018-10-26 19:25:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:00,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-10-26 19:25:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 285 states and 691 transitions. [2018-10-26 19:25:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 691 transitions. [2018-10-26 19:25:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:00,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-10-26 19:25:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 289 states and 700 transitions. [2018-10-26 19:25:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 700 transitions. [2018-10-26 19:25:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:01,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-10-26 19:25:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 290 states and 702 transitions. [2018-10-26 19:25:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 702 transitions. [2018-10-26 19:25:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:03,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-10-26 19:25:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 299 states and 726 transitions. [2018-10-26 19:25:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 726 transitions. [2018-10-26 19:25:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:05,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-10-26 19:25:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 300 states and 728 transitions. [2018-10-26 19:25:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 728 transitions. [2018-10-26 19:25:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:06,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-10-26 19:25:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 303 states and 736 transitions. [2018-10-26 19:25:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 736 transitions. [2018-10-26 19:25:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:08,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-10-26 19:25:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 305 states and 741 transitions. [2018-10-26 19:25:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 741 transitions. [2018-10-26 19:25:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:09,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-10-26 19:25:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 307 states and 743 transitions. [2018-10-26 19:25:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 743 transitions. [2018-10-26 19:25:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:09,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-10-26 19:25:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 308 states and 744 transitions. [2018-10-26 19:25:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 744 transitions. [2018-10-26 19:25:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:25:10,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-10-26 19:25:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 312 states and 752 transitions. [2018-10-26 19:25:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 752 transitions. [2018-10-26 19:25:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 19:25:11,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 79 proven. 59 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-10-26 19:25:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 314 states and 757 transitions. [2018-10-26 19:25:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 757 transitions. [2018-10-26 19:25:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 19:25:13,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 84 proven. 62 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2018-10-26 19:25:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 316 states and 763 transitions. [2018-10-26 19:25:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 763 transitions. [2018-10-26 19:25:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:25:14,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 19:25:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 321 states and 774 transitions. [2018-10-26 19:25:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 774 transitions. [2018-10-26 19:25:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:25:16,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 19:25:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 325 states and 782 transitions. [2018-10-26 19:25:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 782 transitions. [2018-10-26 19:25:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:25:18,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 19:25:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 326 states and 784 transitions. [2018-10-26 19:25:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 784 transitions. [2018-10-26 19:25:19,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:25:19,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 19:25:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 327 states and 785 transitions. [2018-10-26 19:25:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 785 transitions. [2018-10-26 19:25:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:25:19,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 51 proven. 102 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2018-10-26 19:25:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 328 states and 786 transitions. [2018-10-26 19:25:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 786 transitions. [2018-10-26 19:25:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:25:20,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:20,402 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 42 proven. 104 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-10-26 19:25:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 329 states and 789 transitions. [2018-10-26 19:25:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 789 transitions. [2018-10-26 19:25:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:25:21,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 42 proven. 104 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-10-26 19:25:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 332 states and 794 transitions. [2018-10-26 19:25:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 794 transitions. [2018-10-26 19:25:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 19:25:23,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 39 proven. 60 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2018-10-26 19:25:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 334 states and 797 transitions. [2018-10-26 19:25:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 797 transitions. [2018-10-26 19:25:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:25:23,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:24,082 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 55 proven. 116 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2018-10-26 19:25:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 336 states and 802 transitions. [2018-10-26 19:25:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 802 transitions. [2018-10-26 19:25:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:25:24,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 55 proven. 116 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2018-10-26 19:25:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 339 states and 807 transitions. [2018-10-26 19:25:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 807 transitions. [2018-10-26 19:25:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:25:26,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 46 proven. 119 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2018-10-26 19:25:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 341 states and 811 transitions. [2018-10-26 19:25:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 811 transitions. [2018-10-26 19:25:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 19:25:26,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 59 proven. 132 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2018-10-26 19:25:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 343 states and 814 transitions. [2018-10-26 19:25:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 814 transitions. [2018-10-26 19:25:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 19:25:26,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:25:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:25:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 50 proven. 132 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2018-10-26 19:25:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:25:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 110 states and 231 transitions. [2018-10-26 19:25:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 231 transitions. [2018-10-26 19:25:27,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:25:27,315 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-10-26 19:25:27,322 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:25:27,474 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 1 [2018-10-26 19:25:28,147 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 19:25:28,155 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:25:28,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:25:28 ImpRootNode [2018-10-26 19:25:28,155 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:25:28,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:25:28,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:25:28,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:25:28,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:23:46" (3/4) ... [2018-10-26 19:25:28,159 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:25:28,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 19:25:28,166 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 19:25:28,166 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:25:28,166 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:25:28,166 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:25:28,208 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f021704-dfad-4e18-8946-4d5040041c0a/bin-2019/ukojak/witness.graphml [2018-10-26 19:25:28,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:25:28,209 INFO L168 Benchmark]: Toolchain (without parser) took 102200.06 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 954.4 MB in the beginning and 1.8 GB in the end (delta: -850.2 MB). Peak memory consumption was 271.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:25:28,210 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:25:28,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.44 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:25:28,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:25:28,211 INFO L168 Benchmark]: Boogie Preprocessor took 19.37 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:25:28,211 INFO L168 Benchmark]: RCFGBuilder took 594.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:25:28,211 INFO L168 Benchmark]: CodeCheck took 101317.42 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 968.4 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -677.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 19:25:28,212 INFO L168 Benchmark]: Witness Printer took 53.16 ms. Allocated memory is still 2.2 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:25:28,216 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 2 procedures, 41 locations, 1 error locations. SAFE Result, 100.4s OverallTime, 92 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1554779328 SDslu, 163393408 SDs, 0 SdLazy, -88053388 SolverSat, -1583314256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 168.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80423 GetRequests, 78020 SyntacticMatches, 1493 SemanticMatches, 910 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432262 ImplicationChecksByTransitivity, 93.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 6023 NumberOfCodeBlocks, 6023 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 5932 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 10 PerfectInterpolantSequences, 21461/25023 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: 5]: 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: 24]: Loop Invariant Derived loop invariant: (((((((2 * l < j && 2 * i + 2 <= r + j) && j <= 2 * i) || n < l + 1) || ((j < 2 * l && 2 * i + 2 <= r + j) && j <= 2 * i)) || n < r) || j < 1) || r < 2) || (2 * i <= j && j <= 2 * i) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.44 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.37 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 594.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * CodeCheck took 101317.42 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 968.4 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -677.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 53.16 ms. Allocated memory is still 2.2 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...