./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:51:16,529 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:51:16,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:51:16,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:51:16,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:51:16,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:51:16,541 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:51:16,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:51:16,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:51:16,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:51:16,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:51:16,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:51:16,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:51:16,546 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:51:16,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:51:16,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:51:16,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:51:16,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:51:16,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:51:16,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:51:16,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:51:16,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:51:16,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:51:16,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:51:16,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:51:16,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:51:16,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:51:16,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:51:16,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:51:16,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:51:16,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:51:16,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:51:16,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:51:16,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:51:16,559 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:51:16,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:51:16,560 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:51:16,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:51:16,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:51:16,571 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:51:16,571 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:51:16,572 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:51:16,572 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:51:16,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:51:16,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:51:16,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:51:16,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:51:16,573 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:51:16,574 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:51:16,574 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:51:16,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:51:16,574 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:51:16,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:51:16,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:51:16,574 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:51:16,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:51:16,575 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:51:16,575 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:51:16,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:51:16,575 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_b50d5ebf-5729-42b3-bb13-8563dedc5c40/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-11-09 23:51:16,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:51:16,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:51:16,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:51:16,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:51:16,611 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:51:16,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-09 23:51:16,645 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/data/b378a61d0/81d771d71e434053b697a4234870847a/FLAGdbf4a0923 [2018-11-09 23:51:17,100 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:51:17,101 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-09 23:51:17,109 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/data/b378a61d0/81d771d71e434053b697a4234870847a/FLAGdbf4a0923 [2018-11-09 23:51:17,121 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/data/b378a61d0/81d771d71e434053b697a4234870847a [2018-11-09 23:51:17,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:51:17,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:51:17,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:51:17,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:51:17,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:51:17,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17, skipping insertion in model container [2018-11-09 23:51:17,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:51:17,174 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:51:17,399 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:51:17,402 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:51:17,471 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:51:17,483 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:51:17,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17 WrapperNode [2018-11-09 23:51:17,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:51:17,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:51:17,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:51:17,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:51:17,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:51:17,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:51:17,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:51:17,586 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:51:17,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... [2018-11-09 23:51:17,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:51:17,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:51:17,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:51:17,627 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:51:17,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:51:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/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 [2018-11-09 23:51:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-09 23:51:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:51:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:51:19,114 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:51:19,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:51:19 BoogieIcfgContainer [2018-11-09 23:51:19,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:51:19,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:51:19,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:51:19,123 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:51:19,123 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:51:19" (1/1) ... [2018-11-09 23:51:19,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:51:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-09 23:51:19,157 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-09 23:51:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-09 23:51:19,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 147 states and 234 transitions. [2018-11-09 23:51:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2018-11-09 23:51:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-09 23:51:19,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 218 states and 340 transitions. [2018-11-09 23:51:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 340 transitions. [2018-11-09 23:51:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-09 23:51:20,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 289 states and 417 transitions. [2018-11-09 23:51:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 417 transitions. [2018-11-09 23:51:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-09 23:51:20,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 290 states and 418 transitions. [2018-11-09 23:51:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 418 transitions. [2018-11-09 23:51:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-09 23:51:21,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-09 23:51:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 295 states and 427 transitions. [2018-11-09 23:51:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 427 transitions. [2018-11-09 23:51:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-09 23:51:21,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 310 states and 445 transitions. [2018-11-09 23:51:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 445 transitions. [2018-11-09 23:51:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-09 23:51:21,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 320 states and 461 transitions. [2018-11-09 23:51:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-11-09 23:51:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-09 23:51:22,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-09 23:51:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 321 states and 462 transitions. [2018-11-09 23:51:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 462 transitions. [2018-11-09 23:51:22,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-09 23:51:22,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 337 states and 483 transitions. [2018-11-09 23:51:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 483 transitions. [2018-11-09 23:51:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-09 23:51:22,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 345 states and 494 transitions. [2018-11-09 23:51:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 494 transitions. [2018-11-09 23:51:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-09 23:51:22,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 359 states and 514 transitions. [2018-11-09 23:51:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 514 transitions. [2018-11-09 23:51:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-09 23:51:23,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 368 states and 527 transitions. [2018-11-09 23:51:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 527 transitions. [2018-11-09 23:51:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-09 23:51:23,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:24,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 386 states and 547 transitions. [2018-11-09 23:51:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 547 transitions. [2018-11-09 23:51:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-09 23:51:24,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-09 23:51:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 391 states and 560 transitions. [2018-11-09 23:51:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 560 transitions. [2018-11-09 23:51:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-09 23:51:24,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:24,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 397 states and 568 transitions. [2018-11-09 23:51:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 568 transitions. [2018-11-09 23:51:24,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-09 23:51:24,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 412 states and 593 transitions. [2018-11-09 23:51:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 593 transitions. [2018-11-09 23:51:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-09 23:51:25,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 413 states and 594 transitions. [2018-11-09 23:51:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 594 transitions. [2018-11-09 23:51:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-09 23:51:25,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 23:51:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 420 states and 601 transitions. [2018-11-09 23:51:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 601 transitions. [2018-11-09 23:51:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-09 23:51:25,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 442 states and 627 transitions. [2018-11-09 23:51:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 627 transitions. [2018-11-09 23:51:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-09 23:51:25,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 453 states and 640 transitions. [2018-11-09 23:51:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 640 transitions. [2018-11-09 23:51:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-09 23:51:26,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-09 23:51:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 459 states and 649 transitions. [2018-11-09 23:51:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 649 transitions. [2018-11-09 23:51:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-09 23:51:26,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 468 states and 658 transitions. [2018-11-09 23:51:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 658 transitions. [2018-11-09 23:51:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-09 23:51:26,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 479 states and 672 transitions. [2018-11-09 23:51:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 672 transitions. [2018-11-09 23:51:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-09 23:51:26,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:27,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 496 states and 691 transitions. [2018-11-09 23:51:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 691 transitions. [2018-11-09 23:51:27,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-09 23:51:27,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 497 states and 693 transitions. [2018-11-09 23:51:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 693 transitions. [2018-11-09 23:51:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-09 23:51:27,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 23:51:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 506 states and 702 transitions. [2018-11-09 23:51:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 702 transitions. [2018-11-09 23:51:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-09 23:51:27,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-09 23:51:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 517 states and 713 transitions. [2018-11-09 23:51:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 713 transitions. [2018-11-09 23:51:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-09 23:51:28,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 23:51:28,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 518 states and 715 transitions. [2018-11-09 23:51:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 715 transitions. [2018-11-09 23:51:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-09 23:51:28,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 23:51:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 519 states and 716 transitions. [2018-11-09 23:51:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 716 transitions. [2018-11-09 23:51:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-09 23:51:28,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 520 states and 716 transitions. [2018-11-09 23:51:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 716 transitions. [2018-11-09 23:51:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-09 23:51:28,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 591 states and 802 transitions. [2018-11-09 23:51:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 802 transitions. [2018-11-09 23:51:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-09 23:51:29,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 607 states and 825 transitions. [2018-11-09 23:51:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 825 transitions. [2018-11-09 23:51:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-09 23:51:30,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 627 states and 848 transitions. [2018-11-09 23:51:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 848 transitions. [2018-11-09 23:51:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-09 23:51:30,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 637 states and 859 transitions. [2018-11-09 23:51:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 859 transitions. [2018-11-09 23:51:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-09 23:51:31,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 638 states and 859 transitions. [2018-11-09 23:51:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 859 transitions. [2018-11-09 23:51:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-09 23:51:31,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 23:51:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 645 states and 866 transitions. [2018-11-09 23:51:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 866 transitions. [2018-11-09 23:51:31,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-09 23:51:31,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 668 states and 893 transitions. [2018-11-09 23:51:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 893 transitions. [2018-11-09 23:51:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-09 23:51:31,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-09 23:51:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 673 states and 899 transitions. [2018-11-09 23:51:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 899 transitions. [2018-11-09 23:51:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-09 23:51:32,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-09 23:51:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 684 states and 912 transitions. [2018-11-09 23:51:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 912 transitions. [2018-11-09 23:51:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-09 23:51:32,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 23:51:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 689 states and 917 transitions. [2018-11-09 23:51:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 917 transitions. [2018-11-09 23:51:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:32,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 713 states and 945 transitions. [2018-11-09 23:51:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 945 transitions. [2018-11-09 23:51:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:32,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 23:51:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 721 states and 955 transitions. [2018-11-09 23:51:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 955 transitions. [2018-11-09 23:51:33,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:33,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 722 states and 955 transitions. [2018-11-09 23:51:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 955 transitions. [2018-11-09 23:51:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:33,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 23:51:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:33,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 723 states and 956 transitions. [2018-11-09 23:51:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 956 transitions. [2018-11-09 23:51:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:33,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 736 states and 969 transitions. [2018-11-09 23:51:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 969 transitions. [2018-11-09 23:51:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:33,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 749 states and 990 transitions. [2018-11-09 23:51:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 990 transitions. [2018-11-09 23:51:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-09 23:51:33,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 754 states and 995 transitions. [2018-11-09 23:51:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 995 transitions. [2018-11-09 23:51:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-09 23:51:34,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 23:51:34,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 755 states and 996 transitions. [2018-11-09 23:51:34,149 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 996 transitions. [2018-11-09 23:51:34,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-09 23:51:34,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-09 23:51:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 761 states and 1004 transitions. [2018-11-09 23:51:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1004 transitions. [2018-11-09 23:51:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-09 23:51:34,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 774 states and 1029 transitions. [2018-11-09 23:51:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1029 transitions. [2018-11-09 23:51:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-09 23:51:35,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 779 states and 1035 transitions. [2018-11-09 23:51:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1035 transitions. [2018-11-09 23:51:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-09 23:51:35,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 789 states and 1054 transitions. [2018-11-09 23:51:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1054 transitions. [2018-11-09 23:51:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-09 23:51:36,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-09 23:51:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 806 states and 1074 transitions. [2018-11-09 23:51:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1074 transitions. [2018-11-09 23:51:36,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-09 23:51:36,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 829 states and 1098 transitions. [2018-11-09 23:51:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1098 transitions. [2018-11-09 23:51:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-09 23:51:36,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-09 23:51:37,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:37,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 835 states and 1106 transitions. [2018-11-09 23:51:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1106 transitions. [2018-11-09 23:51:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-09 23:51:37,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-09 23:51:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 845 states and 1126 transitions. [2018-11-09 23:51:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1126 transitions. [2018-11-09 23:51:38,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-09 23:51:38,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 864 states and 1148 transitions. [2018-11-09 23:51:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1148 transitions. [2018-11-09 23:51:38,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-09 23:51:38,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 866 states and 1149 transitions. [2018-11-09 23:51:38,919 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1149 transitions. [2018-11-09 23:51:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-09 23:51:38,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 23:51:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:39,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 871 states and 1160 transitions. [2018-11-09 23:51:39,431 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1160 transitions. [2018-11-09 23:51:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-09 23:51:39,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-09 23:51:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 876 states and 1166 transitions. [2018-11-09 23:51:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1166 transitions. [2018-11-09 23:51:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-09 23:51:39,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 23:51:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 880 states and 1170 transitions. [2018-11-09 23:51:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1170 transitions. [2018-11-09 23:51:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-09 23:51:39,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-09 23:51:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 884 states and 1180 transitions. [2018-11-09 23:51:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1180 transitions. [2018-11-09 23:51:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-09 23:51:40,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-09 23:51:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 885 states and 1181 transitions. [2018-11-09 23:51:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1181 transitions. [2018-11-09 23:51:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-09 23:51:40,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-09 23:51:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 918 states and 1223 transitions. [2018-11-09 23:51:41,352 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1223 transitions. [2018-11-09 23:51:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-09 23:51:41,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-09 23:51:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:41,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 923 states and 1230 transitions. [2018-11-09 23:51:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1230 transitions. [2018-11-09 23:51:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-09 23:51:41,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 954 states and 1283 transitions. [2018-11-09 23:51:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1283 transitions. [2018-11-09 23:51:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-09 23:51:44,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 964 states and 1293 transitions. [2018-11-09 23:51:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1293 transitions. [2018-11-09 23:51:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-09 23:51:44,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 966 states and 1294 transitions. [2018-11-09 23:51:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1294 transitions. [2018-11-09 23:51:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-09 23:51:45,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 973 states and 1303 transitions. [2018-11-09 23:51:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1303 transitions. [2018-11-09 23:51:45,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-09 23:51:45,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 978 states and 1309 transitions. [2018-11-09 23:51:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1309 transitions. [2018-11-09 23:51:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-09 23:51:45,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:51:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 983 states and 1317 transitions. [2018-11-09 23:51:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1317 transitions. [2018-11-09 23:51:46,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-09 23:51:46,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-09 23:51:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 989 states and 1332 transitions. [2018-11-09 23:51:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1332 transitions. [2018-11-09 23:51:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-09 23:51:46,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-09 23:51:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 990 states and 1333 transitions. [2018-11-09 23:51:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1333 transitions. [2018-11-09 23:51:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-09 23:51:47,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-09 23:51:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 992 states and 1335 transitions. [2018-11-09 23:51:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1335 transitions. [2018-11-09 23:51:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-09 23:51:47,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-09 23:51:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1019 states and 1366 transitions. [2018-11-09 23:51:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1366 transitions. [2018-11-09 23:51:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-09 23:51:48,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-09 23:51:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1027 states and 1374 transitions. [2018-11-09 23:51:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1374 transitions. [2018-11-09 23:51:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-09 23:51:48,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-09 23:51:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1048 states and 1396 transitions. [2018-11-09 23:51:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1396 transitions. [2018-11-09 23:51:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-09 23:51:48,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-09 23:51:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1057 states and 1407 transitions. [2018-11-09 23:51:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1407 transitions. [2018-11-09 23:51:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-09 23:51:48,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-09 23:51:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1102 states and 1456 transitions. [2018-11-09 23:51:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1456 transitions. [2018-11-09 23:51:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-09 23:51:50,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-09 23:51:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1108 states and 1468 transitions. [2018-11-09 23:51:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1468 transitions. [2018-11-09 23:51:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-09 23:51:50,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-09 23:51:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1115 states and 1475 transitions. [2018-11-09 23:51:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1475 transitions. [2018-11-09 23:51:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-09 23:51:50,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-09 23:51:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1131 states and 1493 transitions. [2018-11-09 23:51:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1493 transitions. [2018-11-09 23:51:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-09 23:51:50,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-09 23:51:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1139 states and 1501 transitions. [2018-11-09 23:51:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1501 transitions. [2018-11-09 23:51:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-09 23:51:50,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-09 23:51:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1170 states and 1536 transitions. [2018-11-09 23:51:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1536 transitions. [2018-11-09 23:51:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-09 23:51:51,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 101 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-09 23:51:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1180 states and 1547 transitions. [2018-11-09 23:51:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1547 transitions. [2018-11-09 23:51:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-09 23:51:51,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-09 23:51:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1182 states and 1550 transitions. [2018-11-09 23:51:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1550 transitions. [2018-11-09 23:51:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-09 23:51:51,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-09 23:51:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1192 states and 1574 transitions. [2018-11-09 23:51:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1574 transitions. [2018-11-09 23:51:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-09 23:51:52,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-09 23:51:56,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1267 states and 1652 transitions. [2018-11-09 23:51:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1652 transitions. [2018-11-09 23:51:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-09 23:51:56,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 23:51:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1268 states and 1654 transitions. [2018-11-09 23:51:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1654 transitions. [2018-11-09 23:51:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-09 23:51:56,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-09 23:51:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1269 states and 1656 transitions. [2018-11-09 23:51:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1656 transitions. [2018-11-09 23:51:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-09 23:51:56,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-09 23:51:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1270 states and 1657 transitions. [2018-11-09 23:51:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1657 transitions. [2018-11-09 23:51:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-09 23:51:57,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:51:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:51:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-09 23:51:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:51:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1196 states and 1574 transitions. [2018-11-09 23:51:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1574 transitions. [2018-11-09 23:51:57,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 23:51:57,328 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 93 iterations. [2018-11-09 23:51:57,335 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 23:51:59,706 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:51:59,708 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-09 23:51:59,713 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-09 23:51:59,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:51:59 ImpRootNode [2018-11-09 23:51:59,713 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:51:59,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:51:59,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:51:59,714 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:51:59,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:51:19" (3/4) ... [2018-11-09 23:51:59,717 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 23:51:59,729 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-09 23:51:59,730 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-09 23:51:59,730 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-09 23:51:59,731 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-09 23:51:59,815 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b50d5ebf-5729-42b3-bb13-8563dedc5c40/bin-2019/ukojak/witness.graphml [2018-11-09 23:51:59,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:51:59,816 INFO L168 Benchmark]: Toolchain (without parser) took 42692.26 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 957.5 MB in the beginning and 1.8 GB in the end (delta: -849.5 MB). Peak memory consumption was 278.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,818 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:51:59,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.72 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 917.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -277.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,818 INFO L168 Benchmark]: Boogie Preprocessor took 40.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,819 INFO L168 Benchmark]: RCFGBuilder took 1488.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 951.2 MB in the end (delta: 233.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,819 INFO L168 Benchmark]: CodeCheck took 40597.67 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 923.8 MB). Free memory was 951.2 MB in the beginning and 1.8 GB in the end (delta: -879.4 MB). Peak memory consumption was 997.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,819 INFO L168 Benchmark]: Witness Printer took 102.12 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:51:59,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 38.1s OverallTime, 93 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 541147456 SDtfs, 370008654 SDslu, -1574711312 SDs, 0 SdLazy, 1105700474 SolverSat, 1221677168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 187.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82615 GetRequests, 81362 SyntacticMatches, 569 SemanticMatches, 684 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280300 ImplicationChecksByTransitivity, 29.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 11710 NumberOfCodeBlocks, 11710 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 11618 ConstructedInterpolants, 0 QuantifiedInterpolants, 4498646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 92 InterpolantComputations, 76 PerfectInterpolantSequences, 6856/6949 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: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a16 == 5 || !(a20 == 1)) || !(a8 == 15)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a16 == 5 || !(a8 == 15)) || !(a17 == 1)) || !(a20 == 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.72 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 917.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -277.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1488.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 951.2 MB in the end (delta: 233.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. * CodeCheck took 40597.67 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 923.8 MB). Free memory was 951.2 MB in the beginning and 1.8 GB in the end (delta: -879.4 MB). Peak memory consumption was 997.1 MB. Max. memory is 11.5 GB. * Witness Printer took 102.12 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...