./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 85017c4a5a64f245bd703090448e8d5785d54b75 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:01:39,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:01:39,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:01:39,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:01:39,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:01:39,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:01:39,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:01:39,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:01:39,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:01:39,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:01:39,563 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:01:39,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:01:39,564 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:01:39,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:01:39,565 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:01:39,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:01:39,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:01:39,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:01:39,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:01:39,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:01:39,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:01:39,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:01:39,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:01:39,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:01:39,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:01:39,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:01:39,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:01:39,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:01:39,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:01:39,574 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:01:39,574 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:01:39,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:01:39,575 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:01:39,575 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:01:39,575 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:01:39,576 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:01:39,576 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 12:01:39,584 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:01:39,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:01:39,585 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:01:39,585 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:01:39,586 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:01:39,586 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:01:39,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:01:39,586 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:01:39,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:01:39,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:01:39,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:01:39,587 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:01:39,587 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:01:39,587 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:01:39,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:01:39,587 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:01:39,587 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:01:39,587 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:01:39,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:01:39,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:01:39,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:01:39,588 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:01:39,588 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:01:39,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:01:39,588 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:01:39,588 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:01:39,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:01:39,589 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_ae4761c5-aee1-4af4-9a4a-640eab204b26/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85017c4a5a64f245bd703090448e8d5785d54b75 [2018-11-10 12:01:39,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:01:39,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:01:39,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:01:39,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:01:39,626 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:01:39,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c [2018-11-10 12:01:39,672 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/data/11b542051/ea9e5b6aec3a4d91a43fbca7548b0ffd/FLAG8e2f8f91f [2018-11-10 12:01:40,068 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:01:40,068 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c [2018-11-10 12:01:40,073 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/data/11b542051/ea9e5b6aec3a4d91a43fbca7548b0ffd/FLAG8e2f8f91f [2018-11-10 12:01:40,082 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/data/11b542051/ea9e5b6aec3a4d91a43fbca7548b0ffd [2018-11-10 12:01:40,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:01:40,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:01:40,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:01:40,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:01:40,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:01:40,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40, skipping insertion in model container [2018-11-10 12:01:40,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:01:40,112 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:01:40,230 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:01:40,233 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:01:40,242 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:01:40,250 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:01:40,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40 WrapperNode [2018-11-10 12:01:40,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:01:40,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:01:40,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:01:40,251 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:01:40,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:01:40,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:01:40,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:01:40,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:01:40,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:01:40,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:01:40,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:01:40,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:01:40,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:01:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:01:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:01:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:01:40,456 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:01:40,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:01:40 BoogieIcfgContainer [2018-11-10 12:01:40,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:01:40,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:01:40,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:01:40,467 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:01:40,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:01:40" (1/1) ... [2018-11-10 12:01:40,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:01:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-10 12:01:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-10 12:01:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 12:01:40,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-10 12:01:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 12:01:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:01:40,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-11-10 12:01:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-11-10 12:01:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:01:40,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-10 12:01:40,968 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-10 12:01:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:01:40,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:41,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-10 12:01:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-10 12:01:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:01:41,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:41,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2018-11-10 12:01:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2018-11-10 12:01:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:01:41,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-10 12:01:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-10 12:01:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:01:41,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-10 12:01:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-10 12:01:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:01:41,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-11-10 12:01:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-11-10 12:01:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 12:01:41,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:01:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-11-10 12:01:42,263 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-11-10 12:01:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:01:42,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2018-11-10 12:01:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2018-11-10 12:01:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:01:42,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-11-10 12:01:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-11-10 12:01:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 12:01:43,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2018-11-10 12:01:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2018-11-10 12:01:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:01:43,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2018-11-10 12:01:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2018-11-10 12:01:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:01:43,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:43,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2018-11-10 12:01:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2018-11-10 12:01:43,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:01:43,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2018-11-10 12:01:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2018-11-10 12:01:44,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:01:44,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:01:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2018-11-10 12:01:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2018-11-10 12:01:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:01:44,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:01:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2018-11-10 12:01:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2018-11-10 12:01:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:01:44,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 67 states and 107 transitions. [2018-11-10 12:01:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2018-11-10 12:01:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:01:45,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 119 transitions. [2018-11-10 12:01:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 119 transitions. [2018-11-10 12:01:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:01:45,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 118 transitions. [2018-11-10 12:01:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2018-11-10 12:01:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:01:46,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2018-11-10 12:01:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2018-11-10 12:01:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:01:46,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 12:01:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2018-11-10 12:01:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2018-11-10 12:01:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:01:46,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 85 states and 151 transitions. [2018-11-10 12:01:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 151 transitions. [2018-11-10 12:01:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:01:47,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 87 states and 153 transitions. [2018-11-10 12:01:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 153 transitions. [2018-11-10 12:01:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:01:47,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 89 states and 154 transitions. [2018-11-10 12:01:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 154 transitions. [2018-11-10 12:01:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:01:47,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:47,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:47,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-11-10 12:01:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-11-10 12:01:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 12:01:47,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 12:01:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 91 states and 154 transitions. [2018-11-10 12:01:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2018-11-10 12:01:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:01:48,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:48,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2018-11-10 12:01:48,388 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2018-11-10 12:01:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:01:48,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 149 transitions. [2018-11-10 12:01:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2018-11-10 12:01:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:01:48,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2018-11-10 12:01:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2018-11-10 12:01:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:01:48,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:49,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 98 states and 164 transitions. [2018-11-10 12:01:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 164 transitions. [2018-11-10 12:01:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:01:49,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 166 transitions. [2018-11-10 12:01:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-11-10 12:01:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:01:49,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2018-11-10 12:01:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2018-11-10 12:01:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:01:49,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2018-11-10 12:01:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-11-10 12:01:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:01:50,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-11-10 12:01:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-11-10 12:01:50,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:01:50,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 107 states and 171 transitions. [2018-11-10 12:01:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2018-11-10 12:01:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:01:51,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 109 states and 172 transitions. [2018-11-10 12:01:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2018-11-10 12:01:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:01:51,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:52,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 189 transitions. [2018-11-10 12:01:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2018-11-10 12:01:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:01:52,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 117 states and 190 transitions. [2018-11-10 12:01:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 190 transitions. [2018-11-10 12:01:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:01:52,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:52,892 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 119 states and 191 transitions. [2018-11-10 12:01:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2018-11-10 12:01:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:01:53,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 121 states and 192 transitions. [2018-11-10 12:01:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-11-10 12:01:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:01:53,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 125 states and 198 transitions. [2018-11-10 12:01:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2018-11-10 12:01:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:01:54,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 199 transitions. [2018-11-10 12:01:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 199 transitions. [2018-11-10 12:01:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:01:54,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 197 transitions. [2018-11-10 12:01:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2018-11-10 12:01:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:01:55,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2018-11-10 12:01:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2018-11-10 12:01:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:01:56,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 136 states and 214 transitions. [2018-11-10 12:01:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 214 transitions. [2018-11-10 12:01:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:01:56,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 138 states and 216 transitions. [2018-11-10 12:01:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 216 transitions. [2018-11-10 12:01:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:01:56,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 140 states and 217 transitions. [2018-11-10 12:01:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2018-11-10 12:01:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:01:56,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 141 states and 219 transitions. [2018-11-10 12:01:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 219 transitions. [2018-11-10 12:01:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:01:57,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:57,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2018-11-10 12:01:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2018-11-10 12:01:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:01:57,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 146 states and 232 transitions. [2018-11-10 12:01:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 232 transitions. [2018-11-10 12:01:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:01:58,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 148 states and 233 transitions. [2018-11-10 12:01:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2018-11-10 12:01:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:01:58,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2018-11-10 12:01:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2018-11-10 12:01:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:01:59,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:01:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:01:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 152 states and 236 transitions. [2018-11-10 12:01:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 236 transitions. [2018-11-10 12:01:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:01:59,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:01:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:01:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2018-11-10 12:02:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2018-11-10 12:02:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:02:00,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 158 states and 252 transitions. [2018-11-10 12:02:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 252 transitions. [2018-11-10 12:02:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:02:01,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:01,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 160 states and 253 transitions. [2018-11-10 12:02:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 253 transitions. [2018-11-10 12:02:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:02:01,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:01,883 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2018-11-10 12:02:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2018-11-10 12:02:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:02:02,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 164 states and 255 transitions. [2018-11-10 12:02:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 255 transitions. [2018-11-10 12:02:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:02:02,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 192 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2018-11-10 12:02:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2018-11-10 12:02:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:02:03,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 192 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 164 states and 254 transitions. [2018-11-10 12:02:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 254 transitions. [2018-11-10 12:02:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:02:03,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 170 states and 270 transitions. [2018-11-10 12:02:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 270 transitions. [2018-11-10 12:02:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:02:04,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 172 states and 271 transitions. [2018-11-10 12:02:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 271 transitions. [2018-11-10 12:02:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:02:04,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 174 states and 272 transitions. [2018-11-10 12:02:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 272 transitions. [2018-11-10 12:02:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:02:05,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 176 states and 274 transitions. [2018-11-10 12:02:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 274 transitions. [2018-11-10 12:02:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:02:05,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 243 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2018-11-10 12:02:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2018-11-10 12:02:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:02:06,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 243 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 176 states and 273 transitions. [2018-11-10 12:02:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 273 transitions. [2018-11-10 12:02:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:02:06,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 182 states and 289 transitions. [2018-11-10 12:02:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 289 transitions. [2018-11-10 12:02:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:02:08,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 184 states and 291 transitions. [2018-11-10 12:02:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 291 transitions. [2018-11-10 12:02:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:02:08,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 186 states and 292 transitions. [2018-11-10 12:02:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 292 transitions. [2018-11-10 12:02:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:02:08,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 188 states and 293 transitions. [2018-11-10 12:02:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 293 transitions. [2018-11-10 12:02:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:02:09,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 189 states and 295 transitions. [2018-11-10 12:02:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 295 transitions. [2018-11-10 12:02:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:02:09,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:10,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 188 states and 292 transitions. [2018-11-10 12:02:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 292 transitions. [2018-11-10 12:02:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:02:10,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 194 states and 308 transitions. [2018-11-10 12:02:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 308 transitions. [2018-11-10 12:02:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:02:11,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2018-11-10 12:02:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2018-11-10 12:02:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:02:12,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:12,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 198 states and 311 transitions. [2018-11-10 12:02:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 311 transitions. [2018-11-10 12:02:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:02:12,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 200 states and 312 transitions. [2018-11-10 12:02:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 312 transitions. [2018-11-10 12:02:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:02:12,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 363 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 201 states and 314 transitions. [2018-11-10 12:02:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2018-11-10 12:02:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:02:13,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 363 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 200 states and 311 transitions. [2018-11-10 12:02:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 311 transitions. [2018-11-10 12:02:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 12:02:14,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 206 states and 327 transitions. [2018-11-10 12:02:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 327 transitions. [2018-11-10 12:02:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 12:02:15,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 208 states and 328 transitions. [2018-11-10 12:02:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 328 transitions. [2018-11-10 12:02:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 12:02:16,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 210 states and 330 transitions. [2018-11-10 12:02:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 330 transitions. [2018-11-10 12:02:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 12:02:16,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 212 states and 331 transitions. [2018-11-10 12:02:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 331 transitions. [2018-11-10 12:02:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 12:02:16,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 432 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 213 states and 333 transitions. [2018-11-10 12:02:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 333 transitions. [2018-11-10 12:02:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 12:02:18,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 432 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 212 states and 330 transitions. [2018-11-10 12:02:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 330 transitions. [2018-11-10 12:02:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:02:19,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 218 states and 346 transitions. [2018-11-10 12:02:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 346 transitions. [2018-11-10 12:02:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:02:20,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 220 states and 348 transitions. [2018-11-10 12:02:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 348 transitions. [2018-11-10 12:02:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:02:21,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 222 states and 349 transitions. [2018-11-10 12:02:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 349 transitions. [2018-11-10 12:02:21,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:02:21,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 224 states and 350 transitions. [2018-11-10 12:02:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 350 transitions. [2018-11-10 12:02:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 12:02:21,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 507 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 225 states and 352 transitions. [2018-11-10 12:02:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 352 transitions. [2018-11-10 12:02:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 12:02:23,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 507 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 224 states and 349 transitions. [2018-11-10 12:02:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 349 transitions. [2018-11-10 12:02:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 12:02:24,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 230 states and 365 transitions. [2018-11-10 12:02:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 365 transitions. [2018-11-10 12:02:25,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 12:02:25,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 232 states and 366 transitions. [2018-11-10 12:02:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 366 transitions. [2018-11-10 12:02:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 12:02:26,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 234 states and 367 transitions. [2018-11-10 12:02:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 367 transitions. [2018-11-10 12:02:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 12:02:26,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 236 states and 369 transitions. [2018-11-10 12:02:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 369 transitions. [2018-11-10 12:02:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 12:02:27,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 588 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 237 states and 371 transitions. [2018-11-10 12:02:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 371 transitions. [2018-11-10 12:02:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 12:02:28,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 588 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 236 states and 368 transitions. [2018-11-10 12:02:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 368 transitions. [2018-11-10 12:02:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 12:02:30,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 384 transitions. [2018-11-10 12:02:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 384 transitions. [2018-11-10 12:02:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 12:02:31,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 244 states and 385 transitions. [2018-11-10 12:02:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 385 transitions. [2018-11-10 12:02:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 12:02:31,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 246 states and 387 transitions. [2018-11-10 12:02:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2018-11-10 12:02:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 12:02:32,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 248 states and 388 transitions. [2018-11-10 12:02:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 388 transitions. [2018-11-10 12:02:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 12:02:32,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 675 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:34,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 249 states and 390 transitions. [2018-11-10 12:02:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 390 transitions. [2018-11-10 12:02:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 12:02:34,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 675 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 248 states and 387 transitions. [2018-11-10 12:02:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 387 transitions. [2018-11-10 12:02:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 12:02:36,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 254 states and 403 transitions. [2018-11-10 12:02:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 403 transitions. [2018-11-10 12:02:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 12:02:37,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:38,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 256 states and 404 transitions. [2018-11-10 12:02:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 404 transitions. [2018-11-10 12:02:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 12:02:38,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:38,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 258 states and 406 transitions. [2018-11-10 12:02:38,778 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2018-11-10 12:02:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 12:02:38,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 260 states and 407 transitions. [2018-11-10 12:02:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 407 transitions. [2018-11-10 12:02:39,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 12:02:39,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 768 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 260 states and 406 transitions. [2018-11-10 12:02:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 406 transitions. [2018-11-10 12:02:41,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 12:02:41,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-10 12:02:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 275 states and 434 transitions. [2018-11-10 12:02:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 434 transitions. [2018-11-10 12:02:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 12:02:48,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-10 12:02:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 279 states and 437 transitions. [2018-11-10 12:02:49,004 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 437 transitions. [2018-11-10 12:02:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 12:02:49,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-10 12:02:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 281 states and 439 transitions. [2018-11-10 12:02:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 439 transitions. [2018-11-10 12:02:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 12:02:49,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-10 12:02:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-11-10 12:02:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-11-10 12:02:50,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 12:02:50,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 867 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 284 states and 444 transitions. [2018-11-10 12:02:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 444 transitions. [2018-11-10 12:02:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 12:02:52,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 867 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:02:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 283 states and 441 transitions. [2018-11-10 12:02:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 441 transitions. [2018-11-10 12:02:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 12:02:53,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 309 proven. 24 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2018-11-10 12:02:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 284 states and 442 transitions. [2018-11-10 12:02:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 442 transitions. [2018-11-10 12:02:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 12:02:54,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:02:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 309 proven. 24 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2018-11-10 12:02:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:02:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 206 states and 271 transitions. [2018-11-10 12:02:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 271 transitions. [2018-11-10 12:02:55,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:02:55,294 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 117 iterations. [2018-11-10 12:02:55,300 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 12:02:56,696 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2018-11-10 12:02:57,885 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2018-11-10 12:02:57,997 INFO L582 CodeCheckObserver]: Invariant with dag size 100 [2018-11-10 12:02:58,012 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:02:58,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:02:58 ImpRootNode [2018-11-10 12:02:58,013 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:02:58,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:02:58,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:02:58,013 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:02:58,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:01:40" (3/4) ... [2018-11-10 12:02:58,017 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:02:58,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:02:58,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:02:58,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:02:58,052 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae4761c5-aee1-4af4-9a4a-640eab204b26/bin-2019/ukojak/witness.graphml [2018-11-10 12:02:58,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:02:58,053 INFO L168 Benchmark]: Toolchain (without parser) took 77968.44 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 960.3 MB in the beginning and 878.0 MB in the end (delta: 82.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-10 12:02:58,053 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:02:58,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:58,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.73 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:02:58,054 INFO L168 Benchmark]: Boogie Preprocessor took 10.13 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:58,054 INFO L168 Benchmark]: RCFGBuilder took 178.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:58,054 INFO L168 Benchmark]: CodeCheck took 77554.93 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 904.5 MB in the end (delta: 223.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-10 12:02:58,054 INFO L168 Benchmark]: Witness Printer took 39.07 ms. Allocated memory is still 2.3 GB. Free memory was 904.5 MB in the beginning and 878.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:58,056 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, 16 locations, 4 error locations. SAFE Result, 74.8s OverallTime, 117 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1499837112 SDslu, 136350720 SDs, 0 SdLazy, -1320716428 SolverSat, -1704345172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62901 GetRequests, 56077 SyntacticMatches, 5856 SemanticMatches, 968 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813462 ImplicationChecksByTransitivity, 70.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.1s InterpolantComputationTime, 6589 NumberOfCodeBlocks, 6589 NumberOfCodeBlocksAsserted, 116 NumberOfCheckSat, 6473 ConstructedInterpolants, 0 QuantifiedInterpolants, 1372595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 116 InterpolantComputations, 9 PerfectInterpolantSequences, 15367/36637 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((((((((((y <= 11 && x <= y + 2147483646) && 10 < y) || ((x <= y + 2147483646 && 9 < y) && y <= 10)) || ((y <= 13 && x <= y + 2147483646) && 12 < y)) || ((y <= 1 && x <= y + 2147483646) && 1 <= y)) || ((y <= 5 && x <= 2 * y + 2147483637) && 4 < y)) || ((14 < y && x <= y + 2147483646) && y <= 15)) || ((15 < y && x <= y + 2147483631) && y <= 16)) || ((x <= y + 2147483646 && 7 < y) && y <= 8)) || ((x <= 2 * y + 2147483641 && y <= 3) && 2 < y)) || ((3 < y && y <= 4) && x <= y + 2147483646)) || ((y <= 9 && x <= y + 2147483646) && 8 < y)) || ((x <= y + 2147483646 && 11 < y) && y <= 12)) || ((17 < y && x + 2 * y <= 2147483650) && y <= 2147483647)) || ((x <= y + 2147483646 && 13 < y) && y <= 14)) || ((x <= 2 * y + 2147483635 && y <= 6) && 5 < y)) || ((x <= y + 2147483646 && 6 < y) && y <= 7)) || ((y <= 2 && x <= 2 * y + 2147483643) && 1 < y)) || ((x + y <= 2147483648 && 16 < y) && y <= 17) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.73 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.13 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 77554.93 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 904.5 MB in the end (delta: 223.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 39.07 ms. Allocated memory is still 2.3 GB. Free memory was 904.5 MB in the beginning and 878.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...