./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/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_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/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 0.1.23-635dfa2 [2018-12-08 17:45:09,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:45:09,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:45:09,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:45:09,581 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:45:09,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:45:09,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:45:09,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:45:09,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:45:09,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:45:09,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:45:09,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:45:09,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:45:09,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:45:09,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:45:09,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:45:09,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:45:09,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:45:09,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:45:09,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:45:09,594 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:45:09,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:45:09,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:45:09,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:45:09,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:45:09,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:45:09,598 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:45:09,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:45:09,599 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:45:09,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:45:09,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:45:09,600 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:45:09,600 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:45:09,601 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:45:09,601 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:45:09,602 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:45:09,602 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 17:45:09,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:45:09,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:45:09,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:45:09,613 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:45:09,613 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:45:09,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:45:09,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:45:09,615 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 17:45:09,615 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:45:09,615 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:45:09,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:45:09,615 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:45:09,615 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:45:09,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:45:09,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:45:09,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:45:09,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:45:09,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:45:09,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:45:09,616 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:45:09,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:45:09,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:45:09,616 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_5ad7b681-bebf-4b20-aec1-599d57dc6945/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 [2018-12-08 17:45:09,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:45:09,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:45:09,650 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:45:09,651 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:45:09,652 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:45:09,652 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c [2018-12-08 17:45:09,696 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/data/9f347acb4/8bc5bfe3a2b244168af94fee0ba41b83/FLAG1605c421e [2018-12-08 17:45:10,090 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:45:10,091 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c [2018-12-08 17:45:10,094 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/data/9f347acb4/8bc5bfe3a2b244168af94fee0ba41b83/FLAG1605c421e [2018-12-08 17:45:10,102 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/data/9f347acb4/8bc5bfe3a2b244168af94fee0ba41b83 [2018-12-08 17:45:10,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:45:10,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:45:10,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:45:10,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:45:10,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:45:10,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10, skipping insertion in model container [2018-12-08 17:45:10,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:45:10,121 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:45:10,202 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:45:10,204 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:45:10,212 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:45:10,220 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:45:10,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10 WrapperNode [2018-12-08 17:45:10,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:45:10,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:45:10,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:45:10,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:45:10,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:45:10,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:45:10,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:45:10,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:45:10,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:45:10,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:45:10,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:45:10,251 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:45:10,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:45:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/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 [2018-12-08 17:45:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:45:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:45:10,446 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:45:10,446 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 17:45:10,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:45:10 BoogieIcfgContainer [2018-12-08 17:45:10,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:45:10,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:45:10,447 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:45:10,454 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:45:10,454 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:45:10" (1/1) ... [2018-12-08 17:45:10,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:45:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-08 17:45:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-08 17:45:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 17:45:10,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:10,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-12-08 17:45:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-12-08 17:45:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 17:45:10,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-08 17:45:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-08 17:45:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 17:45:10,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-08 17:45:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-08 17:45:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 17:45:10,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-08 17:45:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-08 17:45:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 17:45:10,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-12-08 17:45:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-12-08 17:45:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:45:11,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-12-08 17:45:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-12-08 17:45:11,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 17:45:11,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-12-08 17:45:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-12-08 17:45:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 17:45:11,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-12-08 17:45:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-12-08 17:45:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 17:45:11,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:45:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:11,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-08 17:45:11,949 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-08 17:45:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:45:11,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-08 17:45:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-08 17:45:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:45:12,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-08 17:45:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-08 17:45:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 17:45:12,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2018-12-08 17:45:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2018-12-08 17:45:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 17:45:12,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2018-12-08 17:45:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2018-12-08 17:45:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 17:45:12,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 51 states and 91 transitions. [2018-12-08 17:45:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2018-12-08 17:45:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 17:45:13,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2018-12-08 17:45:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2018-12-08 17:45:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 17:45:13,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 17:45:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2018-12-08 17:45:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2018-12-08 17:45:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 17:45:13,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 17:45:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-12-08 17:45:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-12-08 17:45:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:45:13,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-12-08 17:45:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-12-08 17:45:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:45:14,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2018-12-08 17:45:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2018-12-08 17:45:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:45:14,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2018-12-08 17:45:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2018-12-08 17:45:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:45:14,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2018-12-08 17:45:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2018-12-08 17:45:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 17:45:15,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 17:45:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2018-12-08 17:45:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2018-12-08 17:45:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:45:15,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 138 transitions. [2018-12-08 17:45:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2018-12-08 17:45:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:45:16,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 74 states and 139 transitions. [2018-12-08 17:45:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2018-12-08 17:45:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:45:16,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 76 states and 141 transitions. [2018-12-08 17:45:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 141 transitions. [2018-12-08 17:45:16,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:45:16,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 78 states and 142 transitions. [2018-12-08 17:45:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2018-12-08 17:45:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 17:45:16,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 17:45:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 141 transitions. [2018-12-08 17:45:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2018-12-08 17:45:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:45:16,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 143 transitions. [2018-12-08 17:45:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2018-12-08 17:45:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:45:16,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 142 transitions. [2018-12-08 17:45:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2018-12-08 17:45:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:45:17,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:17,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2018-12-08 17:45:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2018-12-08 17:45:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:45:17,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2018-12-08 17:45:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2018-12-08 17:45:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:45:17,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:17,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 84 states and 150 transitions. [2018-12-08 17:45:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 150 transitions. [2018-12-08 17:45:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:45:17,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2018-12-08 17:45:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2018-12-08 17:45:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:45:18,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 88 states and 153 transitions. [2018-12-08 17:45:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 153 transitions. [2018-12-08 17:45:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:45:18,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 154 transitions. [2018-12-08 17:45:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 154 transitions. [2018-12-08 17:45:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:45:18,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 90 states and 153 transitions. [2018-12-08 17:45:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 153 transitions. [2018-12-08 17:45:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:45:19,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 157 transitions. [2018-12-08 17:45:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2018-12-08 17:45:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:45:19,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 172 transitions. [2018-12-08 17:45:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 172 transitions. [2018-12-08 17:45:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:45:20,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 174 transitions. [2018-12-08 17:45:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 174 transitions. [2018-12-08 17:45:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:45:20,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 103 states and 175 transitions. [2018-12-08 17:45:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 175 transitions. [2018-12-08 17:45:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:45:21,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 176 transitions. [2018-12-08 17:45:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2018-12-08 17:45:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 17:45:21,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:21,597 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 181 transitions. [2018-12-08 17:45:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2018-12-08 17:45:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 17:45:22,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 110 states and 182 transitions. [2018-12-08 17:45:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2018-12-08 17:45:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 17:45:22,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 111 states and 180 transitions. [2018-12-08 17:45:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2018-12-08 17:45:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:45:22,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 116 states and 195 transitions. [2018-12-08 17:45:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2018-12-08 17:45:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:45:23,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2018-12-08 17:45:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2018-12-08 17:45:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:45:23,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 197 transitions. [2018-12-08 17:45:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2018-12-08 17:45:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:45:24,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 122 states and 199 transitions. [2018-12-08 17:45:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 199 transitions. [2018-12-08 17:45:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:45:24,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2018-12-08 17:45:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2018-12-08 17:45:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:45:25,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2018-12-08 17:45:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-12-08 17:45:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 17:45:25,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 127 states and 213 transitions. [2018-12-08 17:45:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 213 transitions. [2018-12-08 17:45:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 17:45:26,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 214 transitions. [2018-12-08 17:45:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 214 transitions. [2018-12-08 17:45:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 17:45:26,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 131 states and 216 transitions. [2018-12-08 17:45:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 216 transitions. [2018-12-08 17:45:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 17:45:26,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2018-12-08 17:45:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2018-12-08 17:45:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 17:45:26,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 134 states and 219 transitions. [2018-12-08 17:45:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 219 transitions. [2018-12-08 17:45:27,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 17:45:27,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 216 transitions. [2018-12-08 17:45:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 216 transitions. [2018-12-08 17:45:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 17:45:27,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 138 states and 231 transitions. [2018-12-08 17:45:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2018-12-08 17:45:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 17:45:29,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 233 transitions. [2018-12-08 17:45:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2018-12-08 17:45:29,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 17:45:29,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 142 states and 234 transitions. [2018-12-08 17:45:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2018-12-08 17:45:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 17:45:30,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-12-08 17:45:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-12-08 17:45:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 17:45:30,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-12-08 17:45:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-12-08 17:45:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 17:45:31,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 144 states and 234 transitions. [2018-12-08 17:45:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 234 transitions. [2018-12-08 17:45:31,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 17:45:31,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 149 states and 249 transitions. [2018-12-08 17:45:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 249 transitions. [2018-12-08 17:45:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 17:45:32,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:32,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 151 states and 250 transitions. [2018-12-08 17:45:32,673 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 250 transitions. [2018-12-08 17:45:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 17:45:32,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 153 states and 252 transitions. [2018-12-08 17:45:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 252 transitions. [2018-12-08 17:45:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 17:45:33,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 155 states and 253 transitions. [2018-12-08 17:45:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 253 transitions. [2018-12-08 17:45:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 17:45:33,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 198 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 155 states and 252 transitions. [2018-12-08 17:45:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 252 transitions. [2018-12-08 17:45:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 17:45:34,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2018-12-08 17:45:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2018-12-08 17:45:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 17:45:35,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 162 states and 269 transitions. [2018-12-08 17:45:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 269 transitions. [2018-12-08 17:45:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 17:45:35,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:35,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2018-12-08 17:45:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2018-12-08 17:45:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 17:45:35,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 166 states and 271 transitions. [2018-12-08 17:45:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2018-12-08 17:45:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 17:45:36,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 166 states and 270 transitions. [2018-12-08 17:45:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2018-12-08 17:45:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:45:37,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 171 states and 285 transitions. [2018-12-08 17:45:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2018-12-08 17:45:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:45:38,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 173 states and 286 transitions. [2018-12-08 17:45:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 286 transitions. [2018-12-08 17:45:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:45:38,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 175 states and 287 transitions. [2018-12-08 17:45:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 287 transitions. [2018-12-08 17:45:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 17:45:38,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 177 states and 289 transitions. [2018-12-08 17:45:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2018-12-08 17:45:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 17:45:39,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 178 states and 291 transitions. [2018-12-08 17:45:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 291 transitions. [2018-12-08 17:45:40,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 17:45:40,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2018-12-08 17:45:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2018-12-08 17:45:41,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 17:45:41,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 182 states and 303 transitions. [2018-12-08 17:45:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 303 transitions. [2018-12-08 17:45:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 17:45:42,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:42,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 184 states and 304 transitions. [2018-12-08 17:45:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 304 transitions. [2018-12-08 17:45:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 17:45:42,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 186 states and 305 transitions. [2018-12-08 17:45:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 305 transitions. [2018-12-08 17:45:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 17:45:42,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 188 states and 307 transitions. [2018-12-08 17:45:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 307 transitions. [2018-12-08 17:45:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 17:45:43,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 189 states and 309 transitions. [2018-12-08 17:45:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 309 transitions. [2018-12-08 17:45:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 17:45:44,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 188 states and 306 transitions. [2018-12-08 17:45:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 306 transitions. [2018-12-08 17:45:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 17:45:45,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 193 states and 321 transitions. [2018-12-08 17:45:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 321 transitions. [2018-12-08 17:45:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 17:45:46,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 195 states and 323 transitions. [2018-12-08 17:45:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 323 transitions. [2018-12-08 17:45:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 17:45:47,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 197 states and 324 transitions. [2018-12-08 17:45:47,821 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 324 transitions. [2018-12-08 17:45:47,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 17:45:47,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 199 states and 325 transitions. [2018-12-08 17:45:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 325 transitions. [2018-12-08 17:45:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 17:45:48,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 200 states and 327 transitions. [2018-12-08 17:45:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 327 transitions. [2018-12-08 17:45:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 17:45:51,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 199 states and 324 transitions. [2018-12-08 17:45:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 324 transitions. [2018-12-08 17:45:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 17:45:54,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 204 states and 339 transitions. [2018-12-08 17:45:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 339 transitions. [2018-12-08 17:45:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 17:45:56,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 206 states and 340 transitions. [2018-12-08 17:45:56,564 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 340 transitions. [2018-12-08 17:45:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 17:45:56,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 208 states and 341 transitions. [2018-12-08 17:45:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 341 transitions. [2018-12-08 17:45:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 17:45:56,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 210 states and 343 transitions. [2018-12-08 17:45:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 343 transitions. [2018-12-08 17:45:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 17:45:57,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:45:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:45:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 211 states and 345 transitions. [2018-12-08 17:45:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 345 transitions. [2018-12-08 17:45:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 17:45:59,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:45:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:45:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:00,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 210 states and 342 transitions. [2018-12-08 17:46:00,214 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 342 transitions. [2018-12-08 17:46:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 17:46:00,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 215 states and 357 transitions. [2018-12-08 17:46:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 357 transitions. [2018-12-08 17:46:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 17:46:01,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 217 states and 358 transitions. [2018-12-08 17:46:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 358 transitions. [2018-12-08 17:46:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 17:46:01,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 219 states and 360 transitions. [2018-12-08 17:46:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 360 transitions. [2018-12-08 17:46:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 17:46:02,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 221 states and 361 transitions. [2018-12-08 17:46:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 361 transitions. [2018-12-08 17:46:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 17:46:02,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 222 states and 363 transitions. [2018-12-08 17:46:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 363 transitions. [2018-12-08 17:46:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 17:46:04,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 221 states and 360 transitions. [2018-12-08 17:46:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 360 transitions. [2018-12-08 17:46:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 17:46:06,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 226 states and 375 transitions. [2018-12-08 17:46:08,114 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 375 transitions. [2018-12-08 17:46:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 17:46:08,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 228 states and 376 transitions. [2018-12-08 17:46:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2018-12-08 17:46:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 17:46:08,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 230 states and 378 transitions. [2018-12-08 17:46:09,414 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 378 transitions. [2018-12-08 17:46:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 17:46:09,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:09,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:09,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 232 states and 379 transitions. [2018-12-08 17:46:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 379 transitions. [2018-12-08 17:46:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 17:46:09,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 233 states and 381 transitions. [2018-12-08 17:46:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 381 transitions. [2018-12-08 17:46:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 17:46:11,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 232 states and 378 transitions. [2018-12-08 17:46:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 378 transitions. [2018-12-08 17:46:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 17:46:13,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-08 17:46:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 244 states and 403 transitions. [2018-12-08 17:46:20,700 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 403 transitions. [2018-12-08 17:46:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 17:46:20,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-08 17:46:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 246 states and 406 transitions. [2018-12-08 17:46:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 406 transitions. [2018-12-08 17:46:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 17:46:21,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-08 17:46:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 248 states and 407 transitions. [2018-12-08 17:46:21,974 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 407 transitions. [2018-12-08 17:46:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 17:46:21,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-08 17:46:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 250 states and 409 transitions. [2018-12-08 17:46:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 409 transitions. [2018-12-08 17:46:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 17:46:22,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-08 17:46:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 252 states and 411 transitions. [2018-12-08 17:46:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 411 transitions. [2018-12-08 17:46:22,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 17:46:22,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 253 states and 413 transitions. [2018-12-08 17:46:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 413 transitions. [2018-12-08 17:46:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 17:46:25,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:46:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 252 states and 410 transitions. [2018-12-08 17:46:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 410 transitions. [2018-12-08 17:46:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 17:46:26,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-12-08 17:46:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 253 states and 411 transitions. [2018-12-08 17:46:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 411 transitions. [2018-12-08 17:46:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 17:46:27,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:46:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:46:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-12-08 17:46:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:46:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 252 transitions. [2018-12-08 17:46:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 252 transitions. [2018-12-08 17:46:27,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:46:27,995 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 118 iterations. [2018-12-08 17:46:28,001 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-08 17:46:29,301 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2018-12-08 17:46:30,497 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2018-12-08 17:46:30,607 INFO L583 CodeCheckObserver]: Invariant with dag size 100 [2018-12-08 17:46:30,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:46:30 ImpRootNode [2018-12-08 17:46:30,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:46:30,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:46:30,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:46:30,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:46:30,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:45:10" (3/4) ... [2018-12-08 17:46:30,620 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:46:30,626 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:46:30,626 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:46:30,626 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:46:30,657 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ad7b681-bebf-4b20-aec1-599d57dc6945/bin-2019/ukojak/witness.graphml [2018-12-08 17:46:30,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:46:30,658 INFO L168 Benchmark]: Toolchain (without parser) took 80554.21 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 771.2 MB). Free memory was 956.0 MB in the beginning and 1.5 GB in the end (delta: -496.9 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:46:30,658 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:46:30,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:46:30,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.75 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:46:30,659 INFO L168 Benchmark]: Boogie Preprocessor took 10.72 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:46:30,659 INFO L168 Benchmark]: RCFGBuilder took 196.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:46:30,659 INFO L168 Benchmark]: CodeCheck took 80170.58 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 648.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -350.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-08 17:46:30,660 INFO L168 Benchmark]: Witness Printer took 39.73 ms. Allocated memory is still 1.8 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:46:30,661 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, 14 locations, 4 error locations. SAFE Result, 77.5s OverallTime, 118 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1431663128 SDslu, 0 SDs, 0 SdLazy, -987962572 SolverSat, 1772535884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57218 GetRequests, 51360 SyntacticMatches, 4926 SemanticMatches, 932 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774153 ImplicationChecksByTransitivity, 74.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 5583 NumberOfCodeBlocks, 5583 NumberOfCodeBlocksAsserted, 117 NumberOfCheckSat, 5466 ConstructedInterpolants, 0 QuantifiedInterpolants, 966510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 117 InterpolantComputations, 9 PerfectInterpolantSequences, 13673/31307 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: 20]: 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 - 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) || ((y <= 13 && x <= y + 2147483646) && 12 < y)) || ((x <= y + 2147483646 && 9 < y) && y <= 10)) || ((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 <= 2 * y + 2147483641 && y <= 3) && 2 < y)) || ((x <= y + 2147483646 && 7 < y) && y <= 8)) || ((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)) || ((y <= 2 && x <= 2 * y + 2147483643) && 1 < y)) || ((x <= 2 * y + 2147483635 && y <= 6) && 5 < y)) || ((x <= y + 2147483646 && 6 < y) && y <= 7)) || ((x + y <= 2147483648 && 16 < y) && y <= 17) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.75 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.72 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 196.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 80170.58 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 648.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -350.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 39.73 ms. Allocated memory is still 1.8 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...