./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/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_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/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 0.1.23-5842f4b [2018-11-18 08:59:39,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:59:39,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:59:39,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:59:39,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:59:39,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:59:39,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:59:39,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:59:39,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:59:39,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:59:39,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:59:39,420 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:59:39,420 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:59:39,421 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:59:39,422 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:59:39,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:59:39,423 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:59:39,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:59:39,425 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:59:39,426 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:59:39,427 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:59:39,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:59:39,429 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:59:39,429 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:59:39,430 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:59:39,430 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:59:39,431 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:59:39,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:59:39,432 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:59:39,433 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:59:39,433 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:59:39,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:59:39,434 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:59:39,434 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:59:39,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:59:39,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:59:39,435 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:59:39,444 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:59:39,444 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:59:39,445 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:59:39,445 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:59:39,445 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:59:39,446 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:59:39,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:59:39,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:59:39,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:59:39,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:59:39,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:59:39,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:59:39,447 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:59:39,447 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:59:39,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:59:39,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:59:39,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:59:39,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:59:39,448 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:59:39,448 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:59:39,448 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:59:39,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:59:39,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:59:39,449 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_91895881-3f7d-4531-9638-03d8ac65c8ec/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 [2018-11-18 08:59:39,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:59:39,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:59:39,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:59:39,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:59:39,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:59:39,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-11-18 08:59:39,518 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/data/b1c15928a/9755bc0adcc049f68348d9869e2fbffc/FLAGa6e5e53cb [2018-11-18 08:59:39,837 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:59:39,837 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-11-18 08:59:39,842 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/data/b1c15928a/9755bc0adcc049f68348d9869e2fbffc/FLAGa6e5e53cb [2018-11-18 08:59:39,851 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/data/b1c15928a/9755bc0adcc049f68348d9869e2fbffc [2018-11-18 08:59:39,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:59:39,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:59:39,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:59:39,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:59:39,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:59:39,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:39" (1/1) ... [2018-11-18 08:59:39,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f35898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:39, skipping insertion in model container [2018-11-18 08:59:39,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:39" (1/1) ... [2018-11-18 08:59:39,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:59:39,878 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:59:39,986 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:59:39,988 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:59:40,002 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:59:40,011 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:59:40,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40 WrapperNode [2018-11-18 08:59:40,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:59:40,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:59:40,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:59:40,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:59:40,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:59:40,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:59:40,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:59:40,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:59:40,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:59:40,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:59:40,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:59:40,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:59:40,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:59:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 08:59:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 08:59:40,288 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:59:40,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:40 BoogieIcfgContainer [2018-11-18 08:59:40,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:59:40,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:59:40,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:59:40,297 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:59:40,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:40" (1/1) ... [2018-11-18 08:59:40,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-11-18 08:59:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-11-18 08:59:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 08:59:40,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-18 08:59:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-18 08:59:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:59:40,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:40,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2018-11-18 08:59:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2018-11-18 08:59:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:59:40,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2018-11-18 08:59:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2018-11-18 08:59:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:59:40,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 91 transitions. [2018-11-18 08:59:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2018-11-18 08:59:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:59:40,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 96 transitions. [2018-11-18 08:59:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-11-18 08:59:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:59:40,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 112 transitions. [2018-11-18 08:59:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2018-11-18 08:59:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:59:41,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 118 transitions. [2018-11-18 08:59:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 118 transitions. [2018-11-18 08:59:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:59:42,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 68 states and 137 transitions. [2018-11-18 08:59:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 137 transitions. [2018-11-18 08:59:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:59:42,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 143 transitions. [2018-11-18 08:59:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2018-11-18 08:59:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:59:42,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:59:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 146 transitions. [2018-11-18 08:59:42,944 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2018-11-18 08:59:42,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:59:42,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:59:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 78 states and 163 transitions. [2018-11-18 08:59:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 163 transitions. [2018-11-18 08:59:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 08:59:43,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:59:43,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 82 states and 172 transitions. [2018-11-18 08:59:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 172 transitions. [2018-11-18 08:59:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:59:43,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 175 transitions. [2018-11-18 08:59:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 175 transitions. [2018-11-18 08:59:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 08:59:44,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 91 states and 195 transitions. [2018-11-18 08:59:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 195 transitions. [2018-11-18 08:59:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:59:45,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:59:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 94 states and 202 transitions. [2018-11-18 08:59:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2018-11-18 08:59:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:59:45,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 08:59:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 97 states and 210 transitions. [2018-11-18 08:59:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 210 transitions. [2018-11-18 08:59:46,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:59:46,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 105 states and 233 transitions. [2018-11-18 08:59:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 233 transitions. [2018-11-18 08:59:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:59:47,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 109 states and 243 transitions. [2018-11-18 08:59:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2018-11-18 08:59:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:59:48,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:59:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 112 states and 248 transitions. [2018-11-18 08:59:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 248 transitions. [2018-11-18 08:59:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 08:59:48,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:59:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 117 states and 261 transitions. [2018-11-18 08:59:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 261 transitions. [2018-11-18 08:59:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:59:49,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 119 states and 263 transitions. [2018-11-18 08:59:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 263 transitions. [2018-11-18 08:59:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:59:49,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 122 states and 269 transitions. [2018-11-18 08:59:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 269 transitions. [2018-11-18 08:59:50,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:59:50,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:59:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 124 states and 271 transitions. [2018-11-18 08:59:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 271 transitions. [2018-11-18 08:59:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 08:59:50,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 08:59:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 125 states and 273 transitions. [2018-11-18 08:59:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 273 transitions. [2018-11-18 08:59:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 08:59:51,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 08:59:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 283 transitions. [2018-11-18 08:59:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 283 transitions. [2018-11-18 08:59:51,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 08:59:51,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:59:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 140 states and 314 transitions. [2018-11-18 08:59:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 314 transitions. [2018-11-18 08:59:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 08:59:53,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 08:59:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 146 states and 329 transitions. [2018-11-18 08:59:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 329 transitions. [2018-11-18 08:59:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 08:59:54,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 08:59:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 147 states and 332 transitions. [2018-11-18 08:59:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 332 transitions. [2018-11-18 08:59:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:59:55,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 08:59:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 151 states and 341 transitions. [2018-11-18 08:59:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 341 transitions. [2018-11-18 08:59:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:59:55,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 08:59:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 152 states and 343 transitions. [2018-11-18 08:59:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 343 transitions. [2018-11-18 08:59:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:59:55,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 08:59:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 153 states and 344 transitions. [2018-11-18 08:59:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 344 transitions. [2018-11-18 08:59:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:59:56,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 08:59:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 161 states and 369 transitions. [2018-11-18 08:59:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 369 transitions. [2018-11-18 08:59:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:59:58,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 08:59:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:59,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 166 states and 380 transitions. [2018-11-18 08:59:59,382 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 380 transitions. [2018-11-18 08:59:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:59:59,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 08:59:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:59:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 168 states and 381 transitions. [2018-11-18 08:59:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 381 transitions. [2018-11-18 08:59:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 08:59:59,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:59:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 09:00:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 173 states and 390 transitions. [2018-11-18 09:00:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 390 transitions. [2018-11-18 09:00:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:00:00,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 09:00:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:00,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 173 states and 389 transitions. [2018-11-18 09:00:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 389 transitions. [2018-11-18 09:00:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 09:00:00,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 09:00:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 180 states and 419 transitions. [2018-11-18 09:00:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 419 transitions. [2018-11-18 09:00:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 09:00:03,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 09:00:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 181 states and 421 transitions. [2018-11-18 09:00:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 421 transitions. [2018-11-18 09:00:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:03,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:00:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 188 states and 445 transitions. [2018-11-18 09:00:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 445 transitions. [2018-11-18 09:00:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:05,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 09:00:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 195 states and 467 transitions. [2018-11-18 09:00:07,209 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 467 transitions. [2018-11-18 09:00:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:07,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:00:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 196 states and 469 transitions. [2018-11-18 09:00:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 469 transitions. [2018-11-18 09:00:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:07,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 09:00:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 200 states and 483 transitions. [2018-11-18 09:00:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 483 transitions. [2018-11-18 09:00:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:08,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:08,617 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:00:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 202 states and 491 transitions. [2018-11-18 09:00:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 491 transitions. [2018-11-18 09:00:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:09,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 09:00:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 203 states and 493 transitions. [2018-11-18 09:00:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 493 transitions. [2018-11-18 09:00:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:09,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 09:00:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 204 states and 494 transitions. [2018-11-18 09:00:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 494 transitions. [2018-11-18 09:00:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:00:10,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:00:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 205 states and 497 transitions. [2018-11-18 09:00:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 497 transitions. [2018-11-18 09:00:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:00:10,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:10,596 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:00:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 210 states and 506 transitions. [2018-11-18 09:00:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 506 transitions. [2018-11-18 09:00:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:00:11,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 12 proven. 34 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 09:00:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 215 states and 519 transitions. [2018-11-18 09:00:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 519 transitions. [2018-11-18 09:00:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 09:00:12,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 09:00:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 215 states and 518 transitions. [2018-11-18 09:00:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 518 transitions. [2018-11-18 09:00:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:00:13,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 09:00:14,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 222 states and 538 transitions. [2018-11-18 09:00:14,941 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 538 transitions. [2018-11-18 09:00:14,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:00:14,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 09:00:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 223 states and 542 transitions. [2018-11-18 09:00:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 542 transitions. [2018-11-18 09:00:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:00:15,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 09:00:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 224 states and 544 transitions. [2018-11-18 09:00:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 544 transitions. [2018-11-18 09:00:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:00:15,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 09:00:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 225 states and 546 transitions. [2018-11-18 09:00:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 546 transitions. [2018-11-18 09:00:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 09:00:16,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 19 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 09:00:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 236 states and 575 transitions. [2018-11-18 09:00:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 575 transitions. [2018-11-18 09:00:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 09:00:19,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-18 09:00:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 243 states and 593 transitions. [2018-11-18 09:00:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 593 transitions. [2018-11-18 09:00:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:00:21,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 41 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 09:00:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 243 states and 591 transitions. [2018-11-18 09:00:22,601 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 591 transitions. [2018-11-18 09:00:22,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:00:22,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-18 09:00:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 243 states and 589 transitions. [2018-11-18 09:00:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 589 transitions. [2018-11-18 09:00:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:00:22,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 09:00:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 247 states and 602 transitions. [2018-11-18 09:00:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 602 transitions. [2018-11-18 09:00:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:00:23,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 09:00:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 251 states and 612 transitions. [2018-11-18 09:00:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 612 transitions. [2018-11-18 09:00:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:00:25,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 09:00:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 253 states and 617 transitions. [2018-11-18 09:00:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 617 transitions. [2018-11-18 09:00:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:00:25,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 09:00:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 255 states and 622 transitions. [2018-11-18 09:00:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 622 transitions. [2018-11-18 09:00:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:00:26,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 09:00:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 256 states and 624 transitions. [2018-11-18 09:00:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 624 transitions. [2018-11-18 09:00:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:00:27,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 39 proven. 55 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 09:00:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 257 states and 626 transitions. [2018-11-18 09:00:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 626 transitions. [2018-11-18 09:00:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 09:00:27,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 30 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-18 09:00:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 265 states and 646 transitions. [2018-11-18 09:00:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 646 transitions. [2018-11-18 09:00:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 09:00:29,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 30 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-18 09:00:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 267 states and 649 transitions. [2018-11-18 09:00:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 649 transitions. [2018-11-18 09:00:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 09:00:30,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 43 proven. 73 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-11-18 09:00:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 270 states and 653 transitions. [2018-11-18 09:00:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 653 transitions. [2018-11-18 09:00:30,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 09:00:30,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 54 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-11-18 09:00:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 281 states and 683 transitions. [2018-11-18 09:00:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 683 transitions. [2018-11-18 09:00:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 09:00:33,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 54 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-11-18 09:00:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 284 states and 688 transitions. [2018-11-18 09:00:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 688 transitions. [2018-11-18 09:00:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:34,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-18 09:00:35,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 289 states and 699 transitions. [2018-11-18 09:00:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 699 transitions. [2018-11-18 09:00:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:35,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 09:00:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 295 states and 715 transitions. [2018-11-18 09:00:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 715 transitions. [2018-11-18 09:00:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:37,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-18 09:00:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 299 states and 723 transitions. [2018-11-18 09:00:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 723 transitions. [2018-11-18 09:00:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:37,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 09:00:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 304 states and 738 transitions. [2018-11-18 09:00:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 738 transitions. [2018-11-18 09:00:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:39,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-18 09:00:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 305 states and 740 transitions. [2018-11-18 09:00:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 740 transitions. [2018-11-18 09:00:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:39,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 09:00:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 309 states and 748 transitions. [2018-11-18 09:00:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 748 transitions. [2018-11-18 09:00:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:40,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-18 09:00:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 311 states and 754 transitions. [2018-11-18 09:00:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 754 transitions. [2018-11-18 09:00:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:41,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-18 09:00:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 313 states and 758 transitions. [2018-11-18 09:00:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 758 transitions. [2018-11-18 09:00:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:42,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-11-18 09:00:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 315 states and 763 transitions. [2018-11-18 09:00:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 763 transitions. [2018-11-18 09:00:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:00:43,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-18 09:00:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 318 states and 769 transitions. [2018-11-18 09:00:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 769 transitions. [2018-11-18 09:00:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 09:00:44,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 79 proven. 59 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-11-18 09:00:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 320 states and 774 transitions. [2018-11-18 09:00:46,082 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 774 transitions. [2018-11-18 09:00:46,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 09:00:46,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 84 proven. 62 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2018-11-18 09:00:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:47,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 322 states and 780 transitions. [2018-11-18 09:00:47,118 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 780 transitions. [2018-11-18 09:00:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 09:00:47,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-18 09:00:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 327 states and 791 transitions. [2018-11-18 09:00:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 791 transitions. [2018-11-18 09:00:48,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 09:00:48,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-18 09:00:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 331 states and 799 transitions. [2018-11-18 09:00:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 799 transitions. [2018-11-18 09:00:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 09:00:49,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-18 09:00:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 332 states and 801 transitions. [2018-11-18 09:00:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 801 transitions. [2018-11-18 09:00:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 09:00:50,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 51 proven. 103 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-18 09:00:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 333 states and 802 transitions. [2018-11-18 09:00:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 802 transitions. [2018-11-18 09:00:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 09:00:50,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 51 proven. 102 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2018-11-18 09:00:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 334 states and 803 transitions. [2018-11-18 09:00:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 803 transitions. [2018-11-18 09:00:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 09:00:51,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 42 proven. 104 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-11-18 09:00:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 335 states and 806 transitions. [2018-11-18 09:00:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 806 transitions. [2018-11-18 09:00:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 09:00:51,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 42 proven. 104 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-11-18 09:00:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 337 states and 809 transitions. [2018-11-18 09:00:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 809 transitions. [2018-11-18 09:00:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 09:00:52,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 42 proven. 104 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2018-11-18 09:00:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 338 states and 811 transitions. [2018-11-18 09:00:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 811 transitions. [2018-11-18 09:00:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 09:00:52,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 39 proven. 60 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2018-11-18 09:00:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 340 states and 814 transitions. [2018-11-18 09:00:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 814 transitions. [2018-11-18 09:00:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 09:00:53,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 56 proven. 114 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2018-11-18 09:00:54,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 342 states and 817 transitions. [2018-11-18 09:00:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 817 transitions. [2018-11-18 09:00:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 09:00:54,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 46 proven. 119 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2018-11-18 09:00:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 344 states and 821 transitions. [2018-11-18 09:00:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 821 transitions. [2018-11-18 09:00:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 09:00:54,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 59 proven. 132 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2018-11-18 09:00:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 346 states and 824 transitions. [2018-11-18 09:00:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 824 transitions. [2018-11-18 09:00:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 09:00:54,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:00:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 50 proven. 132 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2018-11-18 09:00:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:00:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 110 states and 231 transitions. [2018-11-18 09:00:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 231 transitions. [2018-11-18 09:00:55,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:00:55,028 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-11-18 09:00:55,034 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:00:55,647 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 09:00:55,656 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:00:55,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:00:55 ImpRootNode [2018-11-18 09:00:55,657 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:00:55,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:00:55,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:00:55,657 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:00:55,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:40" (3/4) ... [2018-11-18 09:00:55,660 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:00:55,663 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 09:00:55,666 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 09:00:55,667 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:00:55,667 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:00:55,667 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:00:55,704 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91895881-3f7d-4531-9638-03d8ac65c8ec/bin-2019/ukojak/witness.graphml [2018-11-18 09:00:55,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:00:55,705 INFO L168 Benchmark]: Toolchain (without parser) took 75851.21 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 959.1 MB in the beginning and 1.6 GB in the end (delta: -596.4 MB). Peak memory consumption was 491.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:00:55,706 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:00:55,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.43 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:00:55,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.88 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:00:55,707 INFO L168 Benchmark]: Boogie Preprocessor took 12.96 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:00:55,707 INFO L168 Benchmark]: RCFGBuilder took 242.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:00:55,707 INFO L168 Benchmark]: CodeCheck took 75368.05 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 965.7 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -457.3 MB). Peak memory consumption was 508.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:00:55,708 INFO L168 Benchmark]: Witness Printer took 47.59 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 09:00:55,709 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, 74.7s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1425345920 SDslu, 425078400 SDs, 0 SdLazy, -948149516 SolverSat, 1189775216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83300 GetRequests, 80847 SyntacticMatches, 1535 SemanticMatches, 918 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440091 ImplicationChecksByTransitivity, 69.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 6149 NumberOfCodeBlocks, 6149 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 6056 ConstructedInterpolants, 0 QuantifiedInterpolants, 1141392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 10 PerfectInterpolantSequences, 21636/25258 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) || ((j < 2 * l && 2 * i + 2 <= r + j) && j <= 2 * i)) || j < 1) || n < r) || r < 2) || n < l + 1) || (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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.43 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 20.88 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.96 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 242.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * CodeCheck took 75368.05 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 965.7 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -457.3 MB). Peak memory consumption was 508.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.59 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...