./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:27:49,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:27:49,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:27:49,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:27:49,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:27:49,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:27:49,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:27:49,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:27:49,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:27:49,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:27:49,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:27:49,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:27:49,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:27:49,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:27:49,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:27:49,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:27:49,607 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:27:49,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:27:49,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:27:49,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:27:49,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:27:49,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:27:49,613 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:27:49,613 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:27:49,614 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:27:49,614 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:27:49,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:27:49,616 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:27:49,616 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:27:49,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:27:49,617 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:27:49,618 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:27:49,618 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:27:49,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:27:49,618 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:27:49,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:27:49,619 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:27:49,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:27:49,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:27:49,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:27:49,627 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:27:49,628 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:27:49,628 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:27:49,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:27:49,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:27:49,628 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:27:49,629 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:27:49,630 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:27:49,630 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:27:49,630 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:27:49,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:27:49,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:27:49,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:27:49,631 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:27:49,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:27:49,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:27:49,631 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:27:49,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:27:49,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:27:49,631 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_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 [2018-11-18 19:27:49,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:27:49,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:27:49,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:27:49,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:27:49,670 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:27:49,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-18 19:27:49,717 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/data/7afb8609f/2eabb358115d49f9b7afaf5429ebbe6a/FLAGaebb60171 [2018-11-18 19:27:50,113 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:27:50,114 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-18 19:27:50,126 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/data/7afb8609f/2eabb358115d49f9b7afaf5429ebbe6a/FLAGaebb60171 [2018-11-18 19:27:50,474 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/data/7afb8609f/2eabb358115d49f9b7afaf5429ebbe6a [2018-11-18 19:27:50,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:27:50,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:27:50,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:27:50,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:27:50,479 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:27:50,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11804b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50, skipping insertion in model container [2018-11-18 19:27:50,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:27:50,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:27:50,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:27:50,774 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:27:50,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:27:50,850 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:27:50,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50 WrapperNode [2018-11-18 19:27:50,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:27:50,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:27:50,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:27:50,851 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:27:50,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:27:50,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:27:50,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:27:50,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:27:50,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... [2018-11-18 19:27:50,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:27:50,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:27:50,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:27:50,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:27:50,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:27:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/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 19:27:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 19:27:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:27:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:27:52,351 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:27:52,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:27:52 BoogieIcfgContainer [2018-11-18 19:27:52,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:27:52,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:27:52,353 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:27:52,359 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:27:52,360 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:27:52" (1/1) ... [2018-11-18 19:27:52,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:27:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 19:27:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 19:27:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 19:27:52,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:52,636 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 19:27:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2018-11-18 19:27:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2018-11-18 19:27:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 19:27:53,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 245 states and 326 transitions. [2018-11-18 19:27:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 326 transitions. [2018-11-18 19:27:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 19:27:53,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 19:27:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 246 states and 328 transitions. [2018-11-18 19:27:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 328 transitions. [2018-11-18 19:27:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 19:27:53,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 265 states and 351 transitions. [2018-11-18 19:27:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 351 transitions. [2018-11-18 19:27:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 19:27:53,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:27:54,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 289 states and 383 transitions. [2018-11-18 19:27:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 383 transitions. [2018-11-18 19:27:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 19:27:54,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 293 states and 387 transitions. [2018-11-18 19:27:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2018-11-18 19:27:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 19:27:54,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 325 states and 427 transitions. [2018-11-18 19:27:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 427 transitions. [2018-11-18 19:27:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 19:27:54,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 356 states and 469 transitions. [2018-11-18 19:27:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 469 transitions. [2018-11-18 19:27:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 19:27:55,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 360 states and 474 transitions. [2018-11-18 19:27:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 474 transitions. [2018-11-18 19:27:55,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 19:27:55,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 379 states and 497 transitions. [2018-11-18 19:27:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 497 transitions. [2018-11-18 19:27:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 19:27:56,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:56,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 383 states and 502 transitions. [2018-11-18 19:27:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 502 transitions. [2018-11-18 19:27:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 19:27:56,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 423 states and 552 transitions. [2018-11-18 19:27:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 552 transitions. [2018-11-18 19:27:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 19:27:57,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:57,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 440 states and 570 transitions. [2018-11-18 19:27:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 570 transitions. [2018-11-18 19:27:57,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 19:27:57,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:27:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 459 states and 604 transitions. [2018-11-18 19:27:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 604 transitions. [2018-11-18 19:27:58,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 19:27:58,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:27:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 463 states and 608 transitions. [2018-11-18 19:27:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 608 transitions. [2018-11-18 19:27:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 19:27:58,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:27:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 467 states and 612 transitions. [2018-11-18 19:27:58,699 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 612 transitions. [2018-11-18 19:27:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 19:27:58,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:27:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 471 states and 616 transitions. [2018-11-18 19:27:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 616 transitions. [2018-11-18 19:27:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 19:27:58,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:27:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 472 states and 619 transitions. [2018-11-18 19:27:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 619 transitions. [2018-11-18 19:27:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 19:27:59,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:27:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 473 states and 621 transitions. [2018-11-18 19:27:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 621 transitions. [2018-11-18 19:27:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 19:27:59,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:27:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:27:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 506 states and 658 transitions. [2018-11-18 19:27:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 658 transitions. [2018-11-18 19:27:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 19:27:59,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:27:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:27:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 532 states and 687 transitions. [2018-11-18 19:28:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 687 transitions. [2018-11-18 19:28:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 19:28:00,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 547 states and 703 transitions. [2018-11-18 19:28:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 703 transitions. [2018-11-18 19:28:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 19:28:01,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 558 states and 713 transitions. [2018-11-18 19:28:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 713 transitions. [2018-11-18 19:28:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 19:28:01,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 562 states and 717 transitions. [2018-11-18 19:28:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 717 transitions. [2018-11-18 19:28:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 19:28:01,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 575 states and 733 transitions. [2018-11-18 19:28:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 733 transitions. [2018-11-18 19:28:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 19:28:01,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 584 states and 742 transitions. [2018-11-18 19:28:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 742 transitions. [2018-11-18 19:28:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 19:28:02,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 596 states and 753 transitions. [2018-11-18 19:28:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 753 transitions. [2018-11-18 19:28:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 19:28:02,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 601 states and 765 transitions. [2018-11-18 19:28:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 765 transitions. [2018-11-18 19:28:02,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 19:28:02,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 605 states and 774 transitions. [2018-11-18 19:28:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 774 transitions. [2018-11-18 19:28:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 19:28:02,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 609 states and 780 transitions. [2018-11-18 19:28:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 780 transitions. [2018-11-18 19:28:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 19:28:03,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 613 states and 786 transitions. [2018-11-18 19:28:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 786 transitions. [2018-11-18 19:28:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 19:28:03,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 19:28:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 617 states and 790 transitions. [2018-11-18 19:28:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 790 transitions. [2018-11-18 19:28:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 19:28:03,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 623 states and 796 transitions. [2018-11-18 19:28:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 796 transitions. [2018-11-18 19:28:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 19:28:03,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:28:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 624 states and 798 transitions. [2018-11-18 19:28:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 798 transitions. [2018-11-18 19:28:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 19:28:03,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 19:28:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:03,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 626 states and 800 transitions. [2018-11-18 19:28:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 800 transitions. [2018-11-18 19:28:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 19:28:03,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 665 states and 842 transitions. [2018-11-18 19:28:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 842 transitions. [2018-11-18 19:28:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 19:28:04,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 710 states and 889 transitions. [2018-11-18 19:28:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 889 transitions. [2018-11-18 19:28:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 19:28:05,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 19:28:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:05,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 711 states and 892 transitions. [2018-11-18 19:28:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 892 transitions. [2018-11-18 19:28:05,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 19:28:05,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 716 states and 901 transitions. [2018-11-18 19:28:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 901 transitions. [2018-11-18 19:28:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 19:28:06,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 720 states and 905 transitions. [2018-11-18 19:28:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 905 transitions. [2018-11-18 19:28:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 19:28:06,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 739 states and 928 transitions. [2018-11-18 19:28:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 928 transitions. [2018-11-18 19:28:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 19:28:07,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 743 states and 932 transitions. [2018-11-18 19:28:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 932 transitions. [2018-11-18 19:28:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 19:28:07,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 798 states and 988 transitions. [2018-11-18 19:28:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 988 transitions. [2018-11-18 19:28:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 19:28:07,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 802 states and 992 transitions. [2018-11-18 19:28:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 992 transitions. [2018-11-18 19:28:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 19:28:07,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 19:28:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 915 states and 1136 transitions. [2018-11-18 19:28:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1136 transitions. [2018-11-18 19:28:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 19:28:09,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 19:28:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 916 states and 1139 transitions. [2018-11-18 19:28:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1139 transitions. [2018-11-18 19:28:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 19:28:09,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 19:28:09,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 972 states and 1202 transitions. [2018-11-18 19:28:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1202 transitions. [2018-11-18 19:28:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 19:28:09,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 19:28:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 985 states and 1216 transitions. [2018-11-18 19:28:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1216 transitions. [2018-11-18 19:28:10,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 19:28:10,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 19:28:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 996 states and 1226 transitions. [2018-11-18 19:28:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1226 transitions. [2018-11-18 19:28:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 19:28:10,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1006 states and 1238 transitions. [2018-11-18 19:28:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1238 transitions. [2018-11-18 19:28:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 19:28:10,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1052 states and 1290 transitions. [2018-11-18 19:28:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1290 transitions. [2018-11-18 19:28:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 19:28:11,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1079 states and 1316 transitions. [2018-11-18 19:28:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1316 transitions. [2018-11-18 19:28:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:28:12,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:12,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1091 states and 1327 transitions. [2018-11-18 19:28:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1327 transitions. [2018-11-18 19:28:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:28:12,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1103 states and 1339 transitions. [2018-11-18 19:28:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1339 transitions. [2018-11-18 19:28:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 19:28:13,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:13,079 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 19:28:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1116 states and 1356 transitions. [2018-11-18 19:28:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1356 transitions. [2018-11-18 19:28:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 19:28:13,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 19:28:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1174 states and 1417 transitions. [2018-11-18 19:28:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1417 transitions. [2018-11-18 19:28:14,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 19:28:14,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1194 states and 1439 transitions. [2018-11-18 19:28:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1439 transitions. [2018-11-18 19:28:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:28:15,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1198 states and 1447 transitions. [2018-11-18 19:28:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1447 transitions. [2018-11-18 19:28:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 19:28:15,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:15,418 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1202 states and 1452 transitions. [2018-11-18 19:28:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1452 transitions. [2018-11-18 19:28:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 19:28:15,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 19:28:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1271 states and 1522 transitions. [2018-11-18 19:28:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1522 transitions. [2018-11-18 19:28:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 19:28:16,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 19:28:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1284 states and 1534 transitions. [2018-11-18 19:28:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1534 transitions. [2018-11-18 19:28:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 19:28:16,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1301 states and 1550 transitions. [2018-11-18 19:28:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1550 transitions. [2018-11-18 19:28:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 19:28:16,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:16,863 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:28:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1314 states and 1562 transitions. [2018-11-18 19:28:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1562 transitions. [2018-11-18 19:28:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:28:17,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 19:28:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1315 states and 1562 transitions. [2018-11-18 19:28:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1562 transitions. [2018-11-18 19:28:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:28:17,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 19:28:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1321 states and 1568 transitions. [2018-11-18 19:28:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1568 transitions. [2018-11-18 19:28:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 19:28:17,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1327 states and 1573 transitions. [2018-11-18 19:28:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1573 transitions. [2018-11-18 19:28:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 19:28:17,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 19:28:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1329 states and 1576 transitions. [2018-11-18 19:28:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1576 transitions. [2018-11-18 19:28:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 19:28:17,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 19:28:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1358 states and 1605 transitions. [2018-11-18 19:28:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1605 transitions. [2018-11-18 19:28:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 19:28:18,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 19:28:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1374 states and 1625 transitions. [2018-11-18 19:28:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1625 transitions. [2018-11-18 19:28:18,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 19:28:18,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 19:28:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1375 states and 1625 transitions. [2018-11-18 19:28:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1625 transitions. [2018-11-18 19:28:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 19:28:18,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 19:28:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1455 states and 1708 transitions. [2018-11-18 19:28:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1708 transitions. [2018-11-18 19:28:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 19:28:19,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 19:28:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1484 states and 1737 transitions. [2018-11-18 19:28:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1737 transitions. [2018-11-18 19:28:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 19:28:19,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 19:28:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1487 states and 1740 transitions. [2018-11-18 19:28:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1740 transitions. [2018-11-18 19:28:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 19:28:19,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 19:28:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1527 states and 1789 transitions. [2018-11-18 19:28:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1789 transitions. [2018-11-18 19:28:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 19:28:20,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 19:28:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1542 states and 1806 transitions. [2018-11-18 19:28:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1806 transitions. [2018-11-18 19:28:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 19:28:20,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 19:28:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1553 states and 1816 transitions. [2018-11-18 19:28:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1816 transitions. [2018-11-18 19:28:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 19:28:20,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 19:28:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1558 states and 1824 transitions. [2018-11-18 19:28:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1824 transitions. [2018-11-18 19:28:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 19:28:21,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 19:28:21,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1565 states and 1832 transitions. [2018-11-18 19:28:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1832 transitions. [2018-11-18 19:28:21,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 19:28:21,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:21,698 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 19:28:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1566 states and 1833 transitions. [2018-11-18 19:28:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1833 transitions. [2018-11-18 19:28:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 19:28:21,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 19:28:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1570 states and 1837 transitions. [2018-11-18 19:28:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1837 transitions. [2018-11-18 19:28:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 19:28:22,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 19:28:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1606 states and 1880 transitions. [2018-11-18 19:28:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1880 transitions. [2018-11-18 19:28:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 19:28:23,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:23,443 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 19:28:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1610 states and 1884 transitions. [2018-11-18 19:28:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1884 transitions. [2018-11-18 19:28:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 19:28:23,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 19:28:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1614 states and 1888 transitions. [2018-11-18 19:28:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 1888 transitions. [2018-11-18 19:28:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 19:28:23,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 19:28:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1626 states and 1899 transitions. [2018-11-18 19:28:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1899 transitions. [2018-11-18 19:28:24,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 19:28:24,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 19:28:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:24,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1631 states and 1903 transitions. [2018-11-18 19:28:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1903 transitions. [2018-11-18 19:28:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 19:28:24,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 19:28:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1797 states and 2074 transitions. [2018-11-18 19:28:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2074 transitions. [2018-11-18 19:28:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 19:28:25,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:26,336 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 19:28:28,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:28,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1860 states and 2141 transitions. [2018-11-18 19:28:28,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2141 transitions. [2018-11-18 19:28:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 19:28:28,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 19:28:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1864 states and 2145 transitions. [2018-11-18 19:28:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2145 transitions. [2018-11-18 19:28:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 19:28:29,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 19:28:32,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1937 states and 2218 transitions. [2018-11-18 19:28:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2218 transitions. [2018-11-18 19:28:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 19:28:32,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 19:28:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1937 states and 2217 transitions. [2018-11-18 19:28:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2217 transitions. [2018-11-18 19:28:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 19:28:33,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 19:28:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1938 states and 2217 transitions. [2018-11-18 19:28:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2217 transitions. [2018-11-18 19:28:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 19:28:33,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 19:28:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2038 states and 2321 transitions. [2018-11-18 19:28:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2321 transitions. [2018-11-18 19:28:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 19:28:37,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 19:28:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2042 states and 2325 transitions. [2018-11-18 19:28:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2325 transitions. [2018-11-18 19:28:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 19:28:38,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 272 proven. 42 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 19:28:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2122 states and 2418 transitions. [2018-11-18 19:28:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2418 transitions. [2018-11-18 19:28:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 19:28:42,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-18 19:28:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2123 states and 2418 transitions. [2018-11-18 19:28:42,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2418 transitions. [2018-11-18 19:28:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 19:28:42,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 19:28:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2137 states and 2432 transitions. [2018-11-18 19:28:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2432 transitions. [2018-11-18 19:28:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 19:28:43,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 19:28:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2165 states and 2461 transitions. [2018-11-18 19:28:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2461 transitions. [2018-11-18 19:28:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 19:28:44,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 19:28:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2178 states and 2474 transitions. [2018-11-18 19:28:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2474 transitions. [2018-11-18 19:28:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 19:28:44,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 19:28:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2193 states and 2488 transitions. [2018-11-18 19:28:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2488 transitions. [2018-11-18 19:28:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 19:28:45,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 19:28:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2199 states and 2495 transitions. [2018-11-18 19:28:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2495 transitions. [2018-11-18 19:28:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 19:28:46,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 19:28:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2213 states and 2508 transitions. [2018-11-18 19:28:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2508 transitions. [2018-11-18 19:28:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 19:28:46,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 19:28:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2248 states and 2543 transitions. [2018-11-18 19:28:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2543 transitions. [2018-11-18 19:28:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 19:28:47,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 19:28:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2249 states and 2543 transitions. [2018-11-18 19:28:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2543 transitions. [2018-11-18 19:28:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 19:28:47,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 19:28:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2256 states and 2549 transitions. [2018-11-18 19:28:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2549 transitions. [2018-11-18 19:28:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 19:28:47,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 19:28:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2317 states and 2609 transitions. [2018-11-18 19:28:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2609 transitions. [2018-11-18 19:28:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 19:28:48,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 19:28:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2385 states and 2681 transitions. [2018-11-18 19:28:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2681 transitions. [2018-11-18 19:28:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 19:28:51,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 19:28:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2389 states and 2685 transitions. [2018-11-18 19:28:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2685 transitions. [2018-11-18 19:28:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 19:28:52,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 19:28:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2428 states and 2728 transitions. [2018-11-18 19:28:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2728 transitions. [2018-11-18 19:28:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:55,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2479 states and 2785 transitions. [2018-11-18 19:28:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 2785 transitions. [2018-11-18 19:28:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:56,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2491 states and 2797 transitions. [2018-11-18 19:28:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2797 transitions. [2018-11-18 19:28:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:57,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2502 states and 2807 transitions. [2018-11-18 19:28:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2807 transitions. [2018-11-18 19:28:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:57,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2515 states and 2819 transitions. [2018-11-18 19:28:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2819 transitions. [2018-11-18 19:28:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:57,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2528 states and 2833 transitions. [2018-11-18 19:28:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2833 transitions. [2018-11-18 19:28:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:58,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2540 states and 2846 transitions. [2018-11-18 19:28:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2846 transitions. [2018-11-18 19:28:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 19:28:58,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 19:28:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2553 states and 2858 transitions. [2018-11-18 19:28:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 2858 transitions. [2018-11-18 19:28:58,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 19:28:58,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 242 proven. 26 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 19:28:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:28:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2580 states and 2884 transitions. [2018-11-18 19:28:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 2884 transitions. [2018-11-18 19:28:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 19:28:59,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:28:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:28:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 212 proven. 8 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 19:29:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2600 states and 2906 transitions. [2018-11-18 19:29:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2906 transitions. [2018-11-18 19:29:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 19:29:00,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 212 proven. 8 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 19:29:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2618 states and 2921 transitions. [2018-11-18 19:29:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 2921 transitions. [2018-11-18 19:29:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 19:29:01,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 212 proven. 8 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 19:29:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2624 states and 2926 transitions. [2018-11-18 19:29:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2926 transitions. [2018-11-18 19:29:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 19:29:01,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2018-11-18 19:29:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2626 states and 2928 transitions. [2018-11-18 19:29:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 2928 transitions. [2018-11-18 19:29:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 19:29:02,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2018-11-18 19:29:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2627 states and 2928 transitions. [2018-11-18 19:29:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 2928 transitions. [2018-11-18 19:29:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 19:29:02,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 248 proven. 2 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-11-18 19:29:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2632 states and 2933 transitions. [2018-11-18 19:29:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 2933 transitions. [2018-11-18 19:29:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 19:29:02,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 248 proven. 2 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-11-18 19:29:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2693 states and 2993 transitions. [2018-11-18 19:29:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 2993 transitions. [2018-11-18 19:29:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 19:29:03,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 19:29:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2733 states and 3039 transitions. [2018-11-18 19:29:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3039 transitions. [2018-11-18 19:29:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 19:29:04,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 19:29:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2737 states and 3042 transitions. [2018-11-18 19:29:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3042 transitions. [2018-11-18 19:29:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 19:29:05,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 19:29:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2743 states and 3047 transitions. [2018-11-18 19:29:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3047 transitions. [2018-11-18 19:29:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 19:29:05,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 19:29:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 2747 states and 3050 transitions. [2018-11-18 19:29:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3050 transitions. [2018-11-18 19:29:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 19:29:06,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 19:29:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 2753 states and 3055 transitions. [2018-11-18 19:29:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3055 transitions. [2018-11-18 19:29:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 19:29:06,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 19:29:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2788 states and 3090 transitions. [2018-11-18 19:29:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3090 transitions. [2018-11-18 19:29:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-11-18 19:29:07,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:29:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:29:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 292 proven. 12 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2018-11-18 19:29:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:29:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2507 states and 2778 transitions. [2018-11-18 19:29:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 2778 transitions. [2018-11-18 19:29:07,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:29:07,513 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 131 iterations. [2018-11-18 19:29:07,519 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:29:07,634 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2018-11-18 19:29:07,738 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 24 [2018-11-18 19:29:07,880 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2018-11-18 19:29:08,020 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-11-18 19:29:08,126 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2018-11-18 19:29:08,489 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2018-11-18 19:29:08,594 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2018-11-18 19:29:09,145 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-11-18 19:29:09,250 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 24 [2018-11-18 19:29:09,353 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 24 [2018-11-18 19:29:09,540 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2018-11-18 19:29:09,651 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2018-11-18 19:29:10,085 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-11-18 19:29:10,571 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 24 [2018-11-18 19:29:10,742 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-11-18 19:29:11,235 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 24 [2018-11-18 19:29:11,469 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 24 [2018-11-18 19:29:11,719 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-11-18 19:29:12,009 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2018-11-18 19:29:12,421 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 24 [2018-11-18 19:29:12,523 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-11-18 19:29:12,687 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-11-18 19:29:13,320 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2018-11-18 19:29:13,497 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2018-11-18 19:29:13,601 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-11-18 19:29:13,728 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 24 [2018-11-18 19:29:14,088 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:29:14,090 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 19:29:14,095 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 19:29:14,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:29:14 ImpRootNode [2018-11-18 19:29:14,096 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:29:14,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:29:14,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:29:14,097 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:29:14,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:27:52" (3/4) ... [2018-11-18 19:29:14,100 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:29:14,115 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 19:29:14,116 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 19:29:14,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 19:29:14,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 19:29:14,204 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8af7c8f-2633-45f2-abbb-2a36d253abbe/bin-2019/ukojak/witness.graphml [2018-11-18 19:29:14,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:29:14,205 INFO L168 Benchmark]: Toolchain (without parser) took 83729.10 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 956.6 MB in the beginning and 1.8 GB in the end (delta: -842.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 19:29:14,206 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:29:14,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 19:29:14,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 19:29:14,208 INFO L168 Benchmark]: Boogie Preprocessor took 42.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 19:29:14,208 INFO L168 Benchmark]: RCFGBuilder took 1368.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 243.0 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:29:14,208 INFO L168 Benchmark]: CodeCheck took 81743.91 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 875.3 MB in the beginning and 1.8 GB in the end (delta: -923.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-18 19:29:14,209 INFO L168 Benchmark]: Witness Printer took 107.79 ms. Allocated memory is still 3.3 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:29:14,210 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, 228 locations, 1 error locations. SAFE Result, 75.1s OverallTime, 131 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109052416 SDtfs, 2006108228 SDslu, 1962938368 SDs, 0 SdLazy, 113910490 SolverSat, 357641730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 407.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173536 GetRequests, 171197 SyntacticMatches, 1335 SemanticMatches, 1004 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718233 ImplicationChecksByTransitivity, 58.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 26506 NumberOfCodeBlocks, 26506 NumberOfCodeBlocksAsserted, 130 NumberOfCheckSat, 26376 ConstructedInterpolants, 0 QuantifiedInterpolants, 17148437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 130 InterpolantComputations, 98 PerfectInterpolantSequences, 28064/28308 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: 499]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((a28 == 7 && !(a11 == 1)) || (a19 == 1 && !(a11 == 1))) || (a25 == 1 && !(a11 == 1))) || a17 == 8) || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((a17 == 8 || (a25 == 1 && !(a11 == 1))) || (a28 == 7 && !(a11 == 1))) || (!(a19 == 1) && a11 == 1)) || (a19 == 1 && !(a11 == 1))) || (a11 == 1 && !(a17 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1368.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 243.0 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. * CodeCheck took 81743.91 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 875.3 MB in the beginning and 1.8 GB in the end (delta: -923.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 107.79 ms. Allocated memory is still 3.3 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...