./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/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 d28857c86a3c83fc75b1b8cf8125f1c52a370911 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:09:12,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:09:12,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:09:12,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:09:12,520 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:09:12,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:09:12,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:09:12,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:09:12,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:09:12,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:09:12,528 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:09:12,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:09:12,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:09:12,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:09:12,531 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:09:12,532 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:09:12,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:09:12,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:09:12,537 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:09:12,546 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:09:12,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:09:12,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:09:12,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:09:12,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:09:12,563 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:09:12,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:09:12,574 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:09:12,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:09:12,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:09:12,576 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:09:12,576 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:09:12,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:09:12,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:09:12,577 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:09:12,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:09:12,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:09:12,587 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 18:09:12,616 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:09:12,616 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:09:12,616 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:09:12,617 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:09:12,617 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:09:12,617 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:09:12,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:09:12,617 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:09:12,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:09:12,619 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:09:12,619 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:09:12,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:09:12,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:09:12,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:09:12,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:09:12,619 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:09:12,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:09:12,620 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:09:12,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:09:12,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:09:12,620 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_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/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 -> d28857c86a3c83fc75b1b8cf8125f1c52a370911 [2018-11-18 18:09:12,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:09:12,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:09:12,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:09:12,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:09:12,689 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:09:12,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn_true-termination_true-no-overflow.c [2018-11-18 18:09:12,748 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/data/9abf94133/623b76e92fd1435d9f8bf108924b89eb/FLAG21c10ff0c [2018-11-18 18:09:13,112 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:09:13,113 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/sv-benchmarks/c/termination-numeric/java_LogBuiltIn_true-termination_true-no-overflow.c [2018-11-18 18:09:13,118 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/data/9abf94133/623b76e92fd1435d9f8bf108924b89eb/FLAG21c10ff0c [2018-11-18 18:09:13,146 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/data/9abf94133/623b76e92fd1435d9f8bf108924b89eb [2018-11-18 18:09:13,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:09:13,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:09:13,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:09:13,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:09:13,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:09:13,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36486ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13, skipping insertion in model container [2018-11-18 18:09:13,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:09:13,193 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:09:13,326 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:09:13,329 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:09:13,341 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:09:13,352 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:09:13,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13 WrapperNode [2018-11-18 18:09:13,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:09:13,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:09:13,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:09:13,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:09:13,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:09:13,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:09:13,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:09:13,386 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:09:13,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... [2018-11-18 18:09:13,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:09:13,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:09:13,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:09:13,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:09:13,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:09:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:09:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:09:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:09:14,119 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:09:14,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:09:14 BoogieIcfgContainer [2018-11-18 18:09:14,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:09:14,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:09:14,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:09:14,130 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:09:14,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:09:14" (1/1) ... [2018-11-18 18:09:14,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-18 18:09:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-18 18:09:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 18:09:14,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-18 18:09:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 18:09:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 18:09:14,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-11-18 18:09:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-11-18 18:09:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:09:14,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2018-11-18 18:09:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-11-18 18:09:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 18:09:15,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2018-11-18 18:09:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2018-11-18 18:09:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:09:15,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2018-11-18 18:09:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2018-11-18 18:09:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:09:16,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2018-11-18 18:09:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2018-11-18 18:09:16,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:09:16,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2018-11-18 18:09:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2018-11-18 18:09:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 18:09:16,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2018-11-18 18:09:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2018-11-18 18:09:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 18:09:17,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 18:09:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2018-11-18 18:09:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2018-11-18 18:09:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 18:09:17,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2018-11-18 18:09:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2018-11-18 18:09:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:09:19,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 18:09:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2018-11-18 18:09:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2018-11-18 18:09:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 18:09:20,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:20,453 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2018-11-18 18:09:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2018-11-18 18:09:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 18:09:20,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:09:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-11-18 18:09:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-11-18 18:09:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 18:09:21,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 101 transitions. [2018-11-18 18:09:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2018-11-18 18:09:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 18:09:21,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 18:09:22,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 71 states and 102 transitions. [2018-11-18 18:09:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2018-11-18 18:09:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 18:09:22,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2018-11-18 18:09:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2018-11-18 18:09:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 18:09:23,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 18:09:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2018-11-18 18:09:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-18 18:09:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 18:09:23,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2018-11-18 18:09:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2018-11-18 18:09:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 18:09:24,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 18:09:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 87 states and 126 transitions. [2018-11-18 18:09:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2018-11-18 18:09:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 18:09:24,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 93 states and 137 transitions. [2018-11-18 18:09:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2018-11-18 18:09:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 18:09:25,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-18 18:09:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 95 states and 138 transitions. [2018-11-18 18:09:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2018-11-18 18:09:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 18:09:26,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2018-11-18 18:09:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2018-11-18 18:09:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 18:09:27,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-11-18 18:09:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 103 states and 150 transitions. [2018-11-18 18:09:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2018-11-18 18:09:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 18:09:27,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 109 states and 161 transitions. [2018-11-18 18:09:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2018-11-18 18:09:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 18:09:28,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-11-18 18:09:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 111 states and 162 transitions. [2018-11-18 18:09:29,385 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2018-11-18 18:09:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 18:09:29,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 117 states and 173 transitions. [2018-11-18 18:09:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2018-11-18 18:09:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 18:09:30,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2018-11-18 18:09:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 119 states and 174 transitions. [2018-11-18 18:09:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2018-11-18 18:09:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 18:09:31,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 125 states and 185 transitions. [2018-11-18 18:09:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2018-11-18 18:09:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 18:09:32,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-18 18:09:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 127 states and 186 transitions. [2018-11-18 18:09:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 186 transitions. [2018-11-18 18:09:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 18:09:33,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 133 states and 197 transitions. [2018-11-18 18:09:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 197 transitions. [2018-11-18 18:09:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 18:09:34,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2018-11-18 18:09:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 135 states and 198 transitions. [2018-11-18 18:09:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2018-11-18 18:09:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 18:09:35,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 141 states and 209 transitions. [2018-11-18 18:09:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 209 transitions. [2018-11-18 18:09:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 18:09:36,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2018-11-18 18:09:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 143 states and 210 transitions. [2018-11-18 18:09:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 210 transitions. [2018-11-18 18:09:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 18:09:37,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 149 states and 221 transitions. [2018-11-18 18:09:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 221 transitions. [2018-11-18 18:09:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 18:09:39,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-11-18 18:09:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2018-11-18 18:09:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2018-11-18 18:09:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 18:09:39,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 157 states and 233 transitions. [2018-11-18 18:09:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2018-11-18 18:09:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 18:09:41,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-11-18 18:09:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 159 states and 234 transitions. [2018-11-18 18:09:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2018-11-18 18:09:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 18:09:41,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 0 proven. 901 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 165 states and 245 transitions. [2018-11-18 18:09:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2018-11-18 18:09:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 18:09:43,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2018-11-18 18:09:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 167 states and 246 transitions. [2018-11-18 18:09:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 246 transitions. [2018-11-18 18:09:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 18:09:44,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 1008 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 173 states and 257 transitions. [2018-11-18 18:09:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2018-11-18 18:09:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 18:09:46,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2018-11-18 18:09:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 175 states and 258 transitions. [2018-11-18 18:09:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 258 transitions. [2018-11-18 18:09:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 18:09:46,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 0 proven. 1121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 181 states and 269 transitions. [2018-11-18 18:09:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 269 transitions. [2018-11-18 18:09:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 18:09:48,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-11-18 18:09:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 183 states and 270 transitions. [2018-11-18 18:09:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 270 transitions. [2018-11-18 18:09:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 18:09:49,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 0 proven. 1240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 189 states and 281 transitions. [2018-11-18 18:09:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 281 transitions. [2018-11-18 18:09:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 18:09:51,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2018-11-18 18:09:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 191 states and 282 transitions. [2018-11-18 18:09:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 282 transitions. [2018-11-18 18:09:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 18:09:52,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 197 states and 293 transitions. [2018-11-18 18:09:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 293 transitions. [2018-11-18 18:09:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 18:09:54,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 1180 trivial. 0 not checked. [2018-11-18 18:09:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 199 states and 294 transitions. [2018-11-18 18:09:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 294 transitions. [2018-11-18 18:09:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 18:09:55,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:09:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 305 transitions. [2018-11-18 18:09:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2018-11-18 18:09:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 18:09:57,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1587 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2018-11-18 18:09:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:09:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 207 states and 306 transitions. [2018-11-18 18:09:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 306 transitions. [2018-11-18 18:09:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 18:09:58,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:09:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 0 proven. 1633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 213 states and 317 transitions. [2018-11-18 18:10:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 317 transitions. [2018-11-18 18:10:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 18:10:00,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-11-18 18:10:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 215 states and 318 transitions. [2018-11-18 18:10:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2018-11-18 18:10:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 18:10:01,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1776 backedges. 0 proven. 1776 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 329 transitions. [2018-11-18 18:10:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2018-11-18 18:10:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 18:10:03,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2018-11-18 18:10:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 223 states and 330 transitions. [2018-11-18 18:10:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 330 transitions. [2018-11-18 18:10:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 18:10:04,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 0 proven. 1925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 229 states and 341 transitions. [2018-11-18 18:10:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 341 transitions. [2018-11-18 18:10:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 18:10:07,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2018-11-18 18:10:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 231 states and 342 transitions. [2018-11-18 18:10:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 342 transitions. [2018-11-18 18:10:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 18:10:08,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 237 states and 353 transitions. [2018-11-18 18:10:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 353 transitions. [2018-11-18 18:10:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 18:10:10,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 1850 trivial. 0 not checked. [2018-11-18 18:10:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-11-18 18:10:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-11-18 18:10:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 18:10:11,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 0 proven. 2241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 245 states and 365 transitions. [2018-11-18 18:10:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 365 transitions. [2018-11-18 18:10:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 18:10:14,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2018-11-18 18:10:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 247 states and 366 transitions. [2018-11-18 18:10:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 366 transitions. [2018-11-18 18:10:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 18:10:15,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 0 proven. 2408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 253 states and 377 transitions. [2018-11-18 18:10:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 377 transitions. [2018-11-18 18:10:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 18:10:17,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 2160 trivial. 0 not checked. [2018-11-18 18:10:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 255 states and 378 transitions. [2018-11-18 18:10:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 378 transitions. [2018-11-18 18:10:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 18:10:18,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 0 proven. 2581 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:10:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 261 states and 389 transitions. [2018-11-18 18:10:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 389 transitions. [2018-11-18 18:10:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 18:10:21,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2018-11-18 18:10:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:10:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 263 states and 390 transitions. [2018-11-18 18:10:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 390 transitions. [2018-11-18 18:10:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 18:10:22,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:10:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:10:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 2760 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:11:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:11:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 185 states and 214 transitions. [2018-11-18 18:11:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 214 transitions. [2018-11-18 18:11:55,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:11:55,899 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 65 iterations. [2018-11-18 18:11:55,906 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 18:11:56,013 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-11-18 18:11:56,166 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-18 18:11:56,294 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-11-18 18:11:56,416 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-11-18 18:11:56,517 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-11-18 18:11:56,618 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-11-18 18:11:56,619 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:11:56,621 INFO L579 CodeCheckObserver]: Invariant with dag size 183 [2018-11-18 18:11:56,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:11:56 ImpRootNode [2018-11-18 18:11:56,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:11:56,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:11:56,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:11:56,633 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:11:56,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:09:14" (3/4) ... [2018-11-18 18:11:56,636 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:11:56,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 18:11:56,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 18:11:56,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:11:56,671 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b43cfd0-bed2-4aa6-96f2-5587d73913e3/bin-2019/ukojak/witness.graphml [2018-11-18 18:11:56,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:11:56,672 INFO L168 Benchmark]: Toolchain (without parser) took 163516.00 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 958.0 MB in the beginning and 1.6 GB in the end (delta: -619.6 MB). Peak memory consumption was 932.8 MB. Max. memory is 11.5 GB. [2018-11-18 18:11:56,672 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:11:56,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.92 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:11:56,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.63 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:11:56,673 INFO L168 Benchmark]: Boogie Preprocessor took 43.80 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:11:56,673 INFO L168 Benchmark]: RCFGBuilder took 689.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:11:56,674 INFO L168 Benchmark]: CodeCheck took 162512.27 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -434.1 MB). Peak memory consumption was 953.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:11:56,674 INFO L168 Benchmark]: Witness Printer took 38.85 ms. Allocated memory is still 2.6 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:11:56,676 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, 17 locations, 4 error locations. SAFE Result, 161.7s OverallTime, 65 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1431655322 SDslu, -1431655536 SDs, 0 SdLazy, -1431654514 SolverSat, 1431656160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44097 GetRequests, 39787 SyntacticMatches, 3032 SemanticMatches, 1278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856058 ImplicationChecksByTransitivity, 157.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 5902 NumberOfCodeBlocks, 5902 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 5838 ConstructedInterpolants, 0 QuantifiedInterpolants, 1674080 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 35 PerfectInterpolantSequences, 31125/57660 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((x <= 3 && res <= 29) && 28 < res) || ((res <= 6 && 5 < res) && x <= 33554431)) || ((res <= 13 && x <= 262143) && 12 < res)) || ((res <= 2 && 1 < res) && x <= 536870911)) || ((res <= 22 && 21 < res) && x <= 511)) || ((res <= 1 && x <= 1073741823) && 0 < res)) || ((res <= 10 && x <= 2097151) && 9 < res)) || ((x <= 31 && 25 < res) && res <= 26)) || ((res <= 4 && 3 < res) && x <= 134217727)) || ((x <= 524287 && res <= 12) && 11 < res)) || ((x <= 268435455 && res <= 3) && 2 < res)) || ((x <= 4194303 && res <= 9) && 8 < res)) || ((13 < res && res <= 14) && x <= 131071)) || ((x <= 1048575 && 10 < res) && res <= 11)) || ((res <= 19 && x <= 4095) && 18 < res)) || ((x <= 8388607 && res <= 8) && 7 < res)) || ((19 < res && res <= 20) && x <= 2047)) || ((x <= 255 && 22 < res) && res <= 23)) || ((res <= 15 && 14 < res) && x <= 65535)) || ((x <= 15 && res <= 27) && 26 < res)) || ((24 < res && x <= 63) && res <= 25)) || ((res <= 5 && 4 < res) && x <= 67108863)) || ((res <= 17 && 16 < res) && x <= 16383)) || ((res <= 7 && 6 < res) && x <= 16777215)) || ((x <= 1023 && 20 < res) && res <= 21)) || ((27 < res && res <= 28) && x <= 7)) || ((x <= 8191 && res <= 18) && 17 < res)) || (29 < res && x < 2)) || ((0 <= res && res <= 0) && x <= 2147483647)) || ((res <= 16 && x <= 32767) && 15 < res)) || ((res <= 24 && x <= 127) && 23 < res) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.92 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 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 32.63 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.80 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 689.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 162512.27 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -434.1 MB). Peak memory consumption was 953.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.85 ms. Allocated memory is still 2.6 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...