./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/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 d643ba28d95f16d18742963f1ebc32166d4daeb8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:50:55,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:50:55,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:50:55,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:50:55,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:50:55,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:50:55,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:50:55,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:50:55,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:50:55,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:50:55,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:50:55,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:50:55,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:50:55,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:50:55,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:50:55,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:50:55,621 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:50:55,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:50:55,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:50:55,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:50:55,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:50:55,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:50:55,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:50:55,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:50:55,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:50:55,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:50:55,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:50:55,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:50:55,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:50:55,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:50:55,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:50:55,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:50:55,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:50:55,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:50:55,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:50:55,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:50:55,635 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:50:55,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:50:55,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:50:55,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:50:55,647 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:50:55,648 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:50:55,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:50:55,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:50:55,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:50:55,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:50:55,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:50:55,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:50:55,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:50:55,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:50:55,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:50:55,650 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:50:55,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:50:55,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:50:55,650 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:50:55,650 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:50:55,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:50:55,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:50:55,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:50:55,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:50:55,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:50:55,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:50:55,652 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:50:55,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:50:55,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:50:55,652 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_e7eeac9b-3efe-4323-bb82-030acb61d5ee/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 -> d643ba28d95f16d18742963f1ebc32166d4daeb8 [2018-10-26 20:50:55,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:50:55,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:50:55,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:50:55,694 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:50:55,695 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:50:55,695 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-10-26 20:50:55,749 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/data/fb2c0813f/5319a53c288e4678a2c87638c8120ac2/FLAG2e07698a3 [2018-10-26 20:50:56,220 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:50:56,221 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-10-26 20:50:56,251 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/data/fb2c0813f/5319a53c288e4678a2c87638c8120ac2/FLAG2e07698a3 [2018-10-26 20:50:56,268 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/data/fb2c0813f/5319a53c288e4678a2c87638c8120ac2 [2018-10-26 20:50:56,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:50:56,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:50:56,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:50:56,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:50:56,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:50:56,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37646fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56, skipping insertion in model container [2018-10-26 20:50:56,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:50:56,338 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:50:56,673 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:50:56,677 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:50:56,793 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:50:56,808 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:50:56,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56 WrapperNode [2018-10-26 20:50:56,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:50:56,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:50:56,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:50:56,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:50:56,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:50:56,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:50:56,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:50:56,878 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:50:56,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:56,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:57,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:57,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:57,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... [2018-10-26 20:50:57,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:50:57,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:50:57,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:50:57,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:50:57,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/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 [2018-10-26 20:50:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 20:50:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:50:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:51:01,314 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:51:01,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:01 BoogieIcfgContainer [2018-10-26 20:51:01,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:51:01,316 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:51:01,316 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:51:01,325 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:51:01,325 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:01" (1/1) ... [2018-10-26 20:51:01,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:51:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 20:51:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 20:51:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 20:51:01,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:01,931 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 20:51:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-10-26 20:51:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-10-26 20:51:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 20:51:02,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-10-26 20:51:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-10-26 20:51:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 20:51:03,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-10-26 20:51:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-10-26 20:51:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 20:51:03,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-10-26 20:51:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-10-26 20:51:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 20:51:04,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-10-26 20:51:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-10-26 20:51:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 20:51:04,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:51:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-10-26 20:51:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-10-26 20:51:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 20:51:05,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 187 states and 307 transitions. [2018-10-26 20:51:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2018-10-26 20:51:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 20:51:06,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 191 states and 312 transitions. [2018-10-26 20:51:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2018-10-26 20:51:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 20:51:06,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 336 transitions. [2018-10-26 20:51:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-10-26 20:51:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 20:51:07,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:08,590 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-26 20:51:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2018-10-26 20:51:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2018-10-26 20:51:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 20:51:08,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:09,517 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 20:51:10,202 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-10-26 20:51:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-10-26 20:51:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-10-26 20:51:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 20:51:10,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:11,532 WARN L179 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-10-26 20:51:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2018-10-26 20:51:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2018-10-26 20:51:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 20:51:11,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 388 transitions. [2018-10-26 20:51:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-10-26 20:51:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 20:51:12,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 245 states and 392 transitions. [2018-10-26 20:51:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 392 transitions. [2018-10-26 20:51:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 20:51:12,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 254 states and 404 transitions. [2018-10-26 20:51:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2018-10-26 20:51:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 20:51:13,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2018-10-26 20:51:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2018-10-26 20:51:14,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 20:51:14,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2018-10-26 20:51:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2018-10-26 20:51:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 20:51:14,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 278 states and 439 transitions. [2018-10-26 20:51:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2018-10-26 20:51:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 20:51:14,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2018-10-26 20:51:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2018-10-26 20:51:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 20:51:14,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 294 states and 458 transitions. [2018-10-26 20:51:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2018-10-26 20:51:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 20:51:14,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 322 states and 495 transitions. [2018-10-26 20:51:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2018-10-26 20:51:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 20:51:15,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 331 states and 503 transitions. [2018-10-26 20:51:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2018-10-26 20:51:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 20:51:16,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 335 states and 508 transitions. [2018-10-26 20:51:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2018-10-26 20:51:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 20:51:16,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 339 states and 511 transitions. [2018-10-26 20:51:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 511 transitions. [2018-10-26 20:51:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 20:51:17,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 344 states and 518 transitions. [2018-10-26 20:51:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 518 transitions. [2018-10-26 20:51:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 20:51:17,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:18,072 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-26 20:51:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 359 states and 533 transitions. [2018-10-26 20:51:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 533 transitions. [2018-10-26 20:51:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 20:51:18,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2018-10-26 20:51:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2018-10-26 20:51:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 20:51:18,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 367 states and 549 transitions. [2018-10-26 20:51:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 549 transitions. [2018-10-26 20:51:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 20:51:19,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 20:51:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 460 states and 664 transitions. [2018-10-26 20:51:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 664 transitions. [2018-10-26 20:51:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 20:51:20,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 484 states and 699 transitions. [2018-10-26 20:51:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 699 transitions. [2018-10-26 20:51:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 20:51:21,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 527 states and 751 transitions. [2018-10-26 20:51:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 751 transitions. [2018-10-26 20:51:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 20:51:23,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:51:23,937 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 20:51:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 535 states and 762 transitions. [2018-10-26 20:51:24,289 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 762 transitions. [2018-10-26 20:51:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 20:51:24,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 543 states and 771 transitions. [2018-10-26 20:51:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 771 transitions. [2018-10-26 20:51:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 20:51:24,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 574 states and 808 transitions. [2018-10-26 20:51:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 808 transitions. [2018-10-26 20:51:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 20:51:25,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 596 states and 834 transitions. [2018-10-26 20:51:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 834 transitions. [2018-10-26 20:51:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 20:51:26,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 616 states and 859 transitions. [2018-10-26 20:51:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 859 transitions. [2018-10-26 20:51:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 20:51:27,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 635 states and 881 transitions. [2018-10-26 20:51:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 881 transitions. [2018-10-26 20:51:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 20:51:28,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 644 states and 889 transitions. [2018-10-26 20:51:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 889 transitions. [2018-10-26 20:51:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 20:51:28,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 667 states and 911 transitions. [2018-10-26 20:51:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 911 transitions. [2018-10-26 20:51:29,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 20:51:29,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 20:51:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 690 states and 941 transitions. [2018-10-26 20:51:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 941 transitions. [2018-10-26 20:51:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 20:51:30,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 714 states and 976 transitions. [2018-10-26 20:51:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 976 transitions. [2018-10-26 20:51:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 20:51:31,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:51:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 731 states and 999 transitions. [2018-10-26 20:51:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 999 transitions. [2018-10-26 20:51:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 20:51:33,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:51:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 735 states and 1002 transitions. [2018-10-26 20:51:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1002 transitions. [2018-10-26 20:51:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 20:51:33,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 20:51:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 745 states and 1014 transitions. [2018-10-26 20:51:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1014 transitions. [2018-10-26 20:51:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 20:51:34,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 763 states and 1033 transitions. [2018-10-26 20:51:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1033 transitions. [2018-10-26 20:51:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 20:51:34,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:34,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 771 states and 1040 transitions. [2018-10-26 20:51:34,765 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1040 transitions. [2018-10-26 20:51:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 20:51:34,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 804 states and 1075 transitions. [2018-10-26 20:51:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1075 transitions. [2018-10-26 20:51:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 20:51:36,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 819 states and 1094 transitions. [2018-10-26 20:51:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1094 transitions. [2018-10-26 20:51:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 20:51:37,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 820 states and 1095 transitions. [2018-10-26 20:51:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1095 transitions. [2018-10-26 20:51:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 20:51:37,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:51:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 835 states and 1113 transitions. [2018-10-26 20:51:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1113 transitions. [2018-10-26 20:51:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 20:51:38,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 20:51:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 836 states and 1114 transitions. [2018-10-26 20:51:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1114 transitions. [2018-10-26 20:51:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:38,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:39,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 856 states and 1141 transitions. [2018-10-26 20:51:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1141 transitions. [2018-10-26 20:51:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:39,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:39,896 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 875 states and 1161 transitions. [2018-10-26 20:51:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1161 transitions. [2018-10-26 20:51:40,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:40,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 884 states and 1169 transitions. [2018-10-26 20:51:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1169 transitions. [2018-10-26 20:51:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:40,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 893 states and 1179 transitions. [2018-10-26 20:51:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1179 transitions. [2018-10-26 20:51:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:41,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 911 states and 1199 transitions. [2018-10-26 20:51:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1199 transitions. [2018-10-26 20:51:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:41,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 918 states and 1205 transitions. [2018-10-26 20:51:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1205 transitions. [2018-10-26 20:51:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:42,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 922 states and 1208 transitions. [2018-10-26 20:51:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1208 transitions. [2018-10-26 20:51:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:42,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 930 states and 1215 transitions. [2018-10-26 20:51:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1215 transitions. [2018-10-26 20:51:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:51:42,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 20:51:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 950 states and 1236 transitions. [2018-10-26 20:51:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1236 transitions. [2018-10-26 20:51:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 20:51:44,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:51:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 965 states and 1253 transitions. [2018-10-26 20:51:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1253 transitions. [2018-10-26 20:51:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:51:44,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:51:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 977 states and 1267 transitions. [2018-10-26 20:51:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1267 transitions. [2018-10-26 20:51:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:51:44,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:51:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 982 states and 1272 transitions. [2018-10-26 20:51:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1272 transitions. [2018-10-26 20:51:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:51:45,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:51:45,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:45,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 986 states and 1276 transitions. [2018-10-26 20:51:45,416 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1276 transitions. [2018-10-26 20:51:45,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:51:45,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:51:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 994 states and 1283 transitions. [2018-10-26 20:51:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1283 transitions. [2018-10-26 20:51:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 20:51:46,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:51:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1003 states and 1292 transitions. [2018-10-26 20:51:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1292 transitions. [2018-10-26 20:51:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 20:51:46,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1030 states and 1320 transitions. [2018-10-26 20:51:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1320 transitions. [2018-10-26 20:51:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 20:51:47,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1059 states and 1354 transitions. [2018-10-26 20:51:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1354 transitions. [2018-10-26 20:51:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 20:51:49,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:49,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1071 states and 1368 transitions. [2018-10-26 20:51:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1368 transitions. [2018-10-26 20:51:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:51:49,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 20:51:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1123 states and 1430 transitions. [2018-10-26 20:51:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1430 transitions. [2018-10-26 20:51:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 20:51:53,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 20:51:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1124 states and 1431 transitions. [2018-10-26 20:51:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1431 transitions. [2018-10-26 20:51:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 20:51:53,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 20:51:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1130 states and 1441 transitions. [2018-10-26 20:51:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1441 transitions. [2018-10-26 20:51:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 20:51:53,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:51:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1139 states and 1450 transitions. [2018-10-26 20:51:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1450 transitions. [2018-10-26 20:51:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 20:51:54,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1143 states and 1462 transitions. [2018-10-26 20:51:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1462 transitions. [2018-10-26 20:51:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 20:51:54,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1148 states and 1468 transitions. [2018-10-26 20:51:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1468 transitions. [2018-10-26 20:51:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 20:51:54,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:51:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1153 states and 1475 transitions. [2018-10-26 20:51:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1475 transitions. [2018-10-26 20:51:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 20:51:55,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:51:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1172 states and 1504 transitions. [2018-10-26 20:51:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1504 transitions. [2018-10-26 20:51:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 20:51:55,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1179 states and 1512 transitions. [2018-10-26 20:51:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1512 transitions. [2018-10-26 20:51:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 20:51:56,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:51:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1181 states and 1513 transitions. [2018-10-26 20:51:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1513 transitions. [2018-10-26 20:51:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:56,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 20:51:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1203 states and 1534 transitions. [2018-10-26 20:51:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1534 transitions. [2018-10-26 20:51:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:56,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:51:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1206 states and 1540 transitions. [2018-10-26 20:51:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1540 transitions. [2018-10-26 20:51:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:56,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:51:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1211 states and 1547 transitions. [2018-10-26 20:51:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1547 transitions. [2018-10-26 20:51:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:57,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:51:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1212 states and 1547 transitions. [2018-10-26 20:51:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1547 transitions. [2018-10-26 20:51:57,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:57,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:51:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1217 states and 1552 transitions. [2018-10-26 20:51:57,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1552 transitions. [2018-10-26 20:51:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:57,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:51:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1222 states and 1557 transitions. [2018-10-26 20:51:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1557 transitions. [2018-10-26 20:51:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:51:58,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1227 states and 1562 transitions. [2018-10-26 20:51:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1562 transitions. [2018-10-26 20:51:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:51:59,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:51:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1238 states and 1575 transitions. [2018-10-26 20:51:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1575 transitions. [2018-10-26 20:51:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:51:59,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1267 states and 1602 transitions. [2018-10-26 20:52:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1602 transitions. [2018-10-26 20:52:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:52:00,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1277 states and 1610 transitions. [2018-10-26 20:52:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1610 transitions. [2018-10-26 20:52:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 20:52:00,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 93 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:52:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1316 states and 1665 transitions. [2018-10-26 20:52:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1665 transitions. [2018-10-26 20:52:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 20:52:04,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 20:52:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1336 states and 1685 transitions. [2018-10-26 20:52:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1685 transitions. [2018-10-26 20:52:04,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 20:52:04,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:52:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1361 states and 1716 transitions. [2018-10-26 20:52:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1716 transitions. [2018-10-26 20:52:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 20:52:06,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 20:52:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1366 states and 1722 transitions. [2018-10-26 20:52:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1722 transitions. [2018-10-26 20:52:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 20:52:07,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1413 states and 1782 transitions. [2018-10-26 20:52:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1782 transitions. [2018-10-26 20:52:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 20:52:09,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1439 states and 1811 transitions. [2018-10-26 20:52:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1811 transitions. [2018-10-26 20:52:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 20:52:11,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1462 states and 1837 transitions. [2018-10-26 20:52:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1837 transitions. [2018-10-26 20:52:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 20:52:12,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1467 states and 1843 transitions. [2018-10-26 20:52:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1843 transitions. [2018-10-26 20:52:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 20:52:13,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:14,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1472 states and 1850 transitions. [2018-10-26 20:52:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1850 transitions. [2018-10-26 20:52:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 20:52:14,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 20:52:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1474 states and 1852 transitions. [2018-10-26 20:52:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1852 transitions. [2018-10-26 20:52:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 20:52:15,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 20:52:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1516 states and 1897 transitions. [2018-10-26 20:52:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1897 transitions. [2018-10-26 20:52:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:52:15,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1542 states and 1933 transitions. [2018-10-26 20:52:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1933 transitions. [2018-10-26 20:52:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:52:20,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1553 states and 1945 transitions. [2018-10-26 20:52:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1945 transitions. [2018-10-26 20:52:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:52:21,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:52:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1571 states and 1963 transitions. [2018-10-26 20:52:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1963 transitions. [2018-10-26 20:52:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:52:23,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 20:52:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1572 states and 1964 transitions. [2018-10-26 20:52:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1964 transitions. [2018-10-26 20:52:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 20:52:23,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1594 states and 1993 transitions. [2018-10-26 20:52:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1993 transitions. [2018-10-26 20:52:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 20:52:24,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:52:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 1609 states and 2007 transitions. [2018-10-26 20:52:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2007 transitions. [2018-10-26 20:52:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 20:52:25,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 20:52:26,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1632 states and 2030 transitions. [2018-10-26 20:52:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2030 transitions. [2018-10-26 20:52:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 20:52:26,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 20:52:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1640 states and 2037 transitions. [2018-10-26 20:52:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2037 transitions. [2018-10-26 20:52:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 20:52:27,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 20:52:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1645 states and 2041 transitions. [2018-10-26 20:52:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2041 transitions. [2018-10-26 20:52:27,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 20:52:27,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 20:52:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 1716 states and 2114 transitions. [2018-10-26 20:52:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2114 transitions. [2018-10-26 20:52:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 20:52:28,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 20:52:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1769 states and 2171 transitions. [2018-10-26 20:52:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2171 transitions. [2018-10-26 20:52:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 20:52:33,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 20:52:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1774 states and 2176 transitions. [2018-10-26 20:52:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2176 transitions. [2018-10-26 20:52:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 20:52:33,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 20:52:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1799 states and 2207 transitions. [2018-10-26 20:52:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2207 transitions. [2018-10-26 20:52:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 20:52:35,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-26 20:52:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1800 states and 2207 transitions. [2018-10-26 20:52:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2207 transitions. [2018-10-26 20:52:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 20:52:35,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:52:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:52:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-10-26 20:52:35,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:52:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1727 states and 2132 transitions. [2018-10-26 20:52:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2132 transitions. [2018-10-26 20:52:35,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:52:35,652 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 116 iterations. [2018-10-26 20:52:35,661 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:52:35,989 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-10-26 20:52:36,431 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-10-26 20:52:36,591 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-10-26 20:52:37,001 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-10-26 20:52:37,171 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-10-26 20:52:37,378 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 11 [2018-10-26 20:52:37,698 WARN L179 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-10-26 20:52:37,884 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 11 [2018-10-26 20:52:39,628 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-10-26 20:52:40,056 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-10-26 20:52:40,317 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:52:40,319 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:52:40,326 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:52:40,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:52:40 ImpRootNode [2018-10-26 20:52:40,327 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:52:40,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:52:40,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:52:40,327 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:52:40,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:01" (3/4) ... [2018-10-26 20:52:40,334 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:52:40,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 20:52:40,352 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 20:52:40,353 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 20:52:40,354 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 20:52:40,480 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e7eeac9b-3efe-4323-bb82-030acb61d5ee/bin-2019/ukojak/witness.graphml [2018-10-26 20:52:40,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:52:40,481 INFO L168 Benchmark]: Toolchain (without parser) took 104208.70 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 958.1 MB in the beginning and 1.5 GB in the end (delta: -562.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,482 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:40,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.05 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 927.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.90 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 919.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,482 INFO L168 Benchmark]: Boogie Preprocessor took 150.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 919.4 MB in the beginning and 1.2 GB in the end (delta: -250.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,483 INFO L168 Benchmark]: RCFGBuilder took 4287.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 946.0 MB in the end (delta: 223.9 MB). Peak memory consumption was 223.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,483 INFO L168 Benchmark]: CodeCheck took 99011.01 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 946.0 MB in the beginning and 1.6 GB in the end (delta: -610.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,483 INFO L168 Benchmark]: Witness Printer took 153.49 ms. Allocated memory is still 2.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:40,485 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 94.3s OverallTime, 116 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2123296528 SDtfs, 642673800 SDslu, 195594048 SDs, 0 SdLazy, -1254451296 SolverSat, 106577912 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 543.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112850 GetRequests, 110418 SyntacticMatches, 1386 SemanticMatches, 1046 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751516 ImplicationChecksByTransitivity, 77.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 15859 NumberOfCodeBlocks, 15859 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 15744 ConstructedInterpolants, 0 QuantifiedInterpolants, 6648624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 103 PerfectInterpolantSequences, 10153/10222 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: 557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.05 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 927.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.90 ms. Allocated memory is still 1.0 GB. Free memory was 927.5 MB in the beginning and 919.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 150.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 919.4 MB in the beginning and 1.2 GB in the end (delta: -250.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4287.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 946.0 MB in the end (delta: 223.9 MB). Peak memory consumption was 223.9 MB. Max. memory is 11.5 GB. * CodeCheck took 99011.01 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 946.0 MB in the beginning and 1.6 GB in the end (delta: -610.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 153.49 ms. Allocated memory is still 2.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...