./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/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 936e1fac1e718929285e646469efe9b1619e10b2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:20:19,459 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:20:19,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:20:19,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:20:19,467 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:20:19,468 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:20:19,469 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:20:19,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:20:19,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:20:19,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:20:19,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:20:19,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:20:19,474 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:20:19,474 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:20:19,475 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:20:19,475 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:20:19,476 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:20:19,477 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:20:19,478 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:20:19,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:20:19,480 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:20:19,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:20:19,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:20:19,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:20:19,482 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:20:19,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:20:19,484 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:20:19,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:20:19,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:20:19,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:20:19,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:20:19,487 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:20:19,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:20:19,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:20:19,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:20:19,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:20:19,488 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:20:19,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:20:19,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:20:19,500 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:20:19,500 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:20:19,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:20:19,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:20:19,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:20:19,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:20:19,502 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:20:19,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:20:19,502 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:20:19,503 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:20:19,504 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:20:19,504 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:20:19,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:20:19,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:20:19,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:20:19,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:20:19,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:20:19,505 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:20:19,505 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:20:19,505 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:20:19,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:20:19,505 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_784c5393-9c13-4b7a-8129-1ae36ab06cf3/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-11-18 14:20:19,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:20:19,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:20:19,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:20:19,543 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:20:19,543 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:20:19,544 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-18 14:20:19,589 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/data/a4c3dcd0b/244f4a6a85b7424e871d0ea15b3d11d4/FLAG3368921a1 [2018-11-18 14:20:20,057 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:20:20,058 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-18 14:20:20,067 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/data/a4c3dcd0b/244f4a6a85b7424e871d0ea15b3d11d4/FLAG3368921a1 [2018-11-18 14:20:20,561 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/data/a4c3dcd0b/244f4a6a85b7424e871d0ea15b3d11d4 [2018-11-18 14:20:20,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:20:20,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:20:20,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:20:20,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:20:20,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:20:20,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:20,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95268b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20, skipping insertion in model container [2018-11-18 14:20:20,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:20,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:20:20,614 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:20:20,840 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:20:20,843 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:20:20,912 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:20:20,925 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:20:20,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20 WrapperNode [2018-11-18 14:20:20,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:20:20,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:20:20,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:20:20,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:20:20,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:20,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:20:21,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:20:21,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:20:21,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:20:21,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... [2018-11-18 14:20:21,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:20:21,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:20:21,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:20:21,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:20:21,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:20:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:20:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:20:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:20:22,408 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:20:22,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:22 BoogieIcfgContainer [2018-11-18 14:20:22,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:20:22,409 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:20:22,409 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:20:22,416 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:20:22,416 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:22" (1/1) ... [2018-11-18 14:20:22,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:20:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 14:20:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 14:20:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 14:20:22,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-18 14:20:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-18 14:20:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 14:20:23,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:20:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-18 14:20:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-18 14:20:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 14:20:23,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-18 14:20:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-18 14:20:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 14:20:23,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 225 states and 307 transitions. [2018-11-18 14:20:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2018-11-18 14:20:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 14:20:23,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:24,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 233 states and 319 transitions. [2018-11-18 14:20:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2018-11-18 14:20:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 14:20:24,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2018-11-18 14:20:24,475 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2018-11-18 14:20:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 14:20:24,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 248 states and 342 transitions. [2018-11-18 14:20:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 342 transitions. [2018-11-18 14:20:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 14:20:24,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 253 states and 347 transitions. [2018-11-18 14:20:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 347 transitions. [2018-11-18 14:20:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 14:20:24,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 262 states and 358 transitions. [2018-11-18 14:20:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2018-11-18 14:20:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 14:20:24,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:20:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 269 states and 366 transitions. [2018-11-18 14:20:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 366 transitions. [2018-11-18 14:20:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 14:20:25,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 272 states and 370 transitions. [2018-11-18 14:20:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2018-11-18 14:20:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 14:20:25,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2018-11-18 14:20:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2018-11-18 14:20:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 14:20:25,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 278 states and 376 transitions. [2018-11-18 14:20:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 376 transitions. [2018-11-18 14:20:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 14:20:25,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 293 states and 398 transitions. [2018-11-18 14:20:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 398 transitions. [2018-11-18 14:20:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 14:20:26,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-11-18 14:20:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-11-18 14:20:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 14:20:27,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 323 states and 436 transitions. [2018-11-18 14:20:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 436 transitions. [2018-11-18 14:20:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:20:27,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:20:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 324 states and 438 transitions. [2018-11-18 14:20:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 438 transitions. [2018-11-18 14:20:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 14:20:27,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:20:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 326 states and 440 transitions. [2018-11-18 14:20:27,629 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2018-11-18 14:20:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 14:20:27,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 14:20:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 337 states and 453 transitions. [2018-11-18 14:20:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 453 transitions. [2018-11-18 14:20:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:20:28,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:20:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 340 states and 456 transitions. [2018-11-18 14:20:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 456 transitions. [2018-11-18 14:20:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 14:20:28,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:20:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-11-18 14:20:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-11-18 14:20:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 14:20:28,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 14:20:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 351 states and 469 transitions. [2018-11-18 14:20:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 469 transitions. [2018-11-18 14:20:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 14:20:28,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 376 states and 499 transitions. [2018-11-18 14:20:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 499 transitions. [2018-11-18 14:20:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 14:20:29,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:29,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 391 states and 518 transitions. [2018-11-18 14:20:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 518 transitions. [2018-11-18 14:20:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 14:20:29,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:30,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2018-11-18 14:20:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2018-11-18 14:20:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 14:20:30,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 431 states and 568 transitions. [2018-11-18 14:20:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 568 transitions. [2018-11-18 14:20:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 14:20:31,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:20:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 434 states and 573 transitions. [2018-11-18 14:20:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 573 transitions. [2018-11-18 14:20:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 14:20:32,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:20:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 448 states and 588 transitions. [2018-11-18 14:20:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 588 transitions. [2018-11-18 14:20:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 14:20:32,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:20:32,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 454 states and 595 transitions. [2018-11-18 14:20:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 595 transitions. [2018-11-18 14:20:32,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 14:20:32,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:20:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 455 states and 596 transitions. [2018-11-18 14:20:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 596 transitions. [2018-11-18 14:20:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 14:20:33,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 14:20:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 458 states and 600 transitions. [2018-11-18 14:20:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2018-11-18 14:20:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 14:20:33,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 465 states and 610 transitions. [2018-11-18 14:20:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 610 transitions. [2018-11-18 14:20:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 14:20:34,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 474 states and 619 transitions. [2018-11-18 14:20:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 619 transitions. [2018-11-18 14:20:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 14:20:34,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 475 states and 620 transitions. [2018-11-18 14:20:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 620 transitions. [2018-11-18 14:20:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 14:20:34,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 524 states and 676 transitions. [2018-11-18 14:20:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 676 transitions. [2018-11-18 14:20:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 14:20:36,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:20:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 534 states and 693 transitions. [2018-11-18 14:20:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 693 transitions. [2018-11-18 14:20:36,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 14:20:36,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 583 states and 746 transitions. [2018-11-18 14:20:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 746 transitions. [2018-11-18 14:20:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 14:20:38,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:39,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 600 states and 765 transitions. [2018-11-18 14:20:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 765 transitions. [2018-11-18 14:20:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 14:20:39,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 605 states and 773 transitions. [2018-11-18 14:20:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 773 transitions. [2018-11-18 14:20:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 14:20:39,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 655 states and 830 transitions. [2018-11-18 14:20:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 830 transitions. [2018-11-18 14:20:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 14:20:40,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:20:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 665 states and 849 transitions. [2018-11-18 14:20:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 849 transitions. [2018-11-18 14:20:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 14:20:41,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:20:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 709 states and 899 transitions. [2018-11-18 14:20:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 899 transitions. [2018-11-18 14:20:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 14:20:43,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:20:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 732 states and 924 transitions. [2018-11-18 14:20:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 924 transitions. [2018-11-18 14:20:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 14:20:44,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:20:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 746 states and 946 transitions. [2018-11-18 14:20:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 946 transitions. [2018-11-18 14:20:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 14:20:45,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 14:20:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 750 states and 949 transitions. [2018-11-18 14:20:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 949 transitions. [2018-11-18 14:20:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 14:20:46,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 767 states and 967 transitions. [2018-11-18 14:20:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 967 transitions. [2018-11-18 14:20:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 14:20:46,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:20:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 769 states and 969 transitions. [2018-11-18 14:20:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 969 transitions. [2018-11-18 14:20:46,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 14:20:46,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 792 states and 1003 transitions. [2018-11-18 14:20:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1003 transitions. [2018-11-18 14:20:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 14:20:47,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 796 states and 1008 transitions. [2018-11-18 14:20:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1008 transitions. [2018-11-18 14:20:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:20:48,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 811 states and 1027 transitions. [2018-11-18 14:20:49,909 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1027 transitions. [2018-11-18 14:20:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:20:49,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 818 states and 1036 transitions. [2018-11-18 14:20:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1036 transitions. [2018-11-18 14:20:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:20:50,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 827 states and 1045 transitions. [2018-11-18 14:20:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1045 transitions. [2018-11-18 14:20:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:20:50,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 832 states and 1050 transitions. [2018-11-18 14:20:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1050 transitions. [2018-11-18 14:20:51,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 14:20:51,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 857 states and 1077 transitions. [2018-11-18 14:20:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1077 transitions. [2018-11-18 14:20:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:20:52,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:20:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 858 states and 1078 transitions. [2018-11-18 14:20:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1078 transitions. [2018-11-18 14:20:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:20:52,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:20:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 859 states and 1078 transitions. [2018-11-18 14:20:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1078 transitions. [2018-11-18 14:20:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 14:20:52,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:20:53,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 862 states and 1082 transitions. [2018-11-18 14:20:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1082 transitions. [2018-11-18 14:20:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 14:20:53,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:20:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 866 states and 1087 transitions. [2018-11-18 14:20:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1087 transitions. [2018-11-18 14:20:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 14:20:53,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 14:20:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 868 states and 1088 transitions. [2018-11-18 14:20:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1088 transitions. [2018-11-18 14:20:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 14:20:53,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 14:20:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 878 states and 1104 transitions. [2018-11-18 14:20:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1104 transitions. [2018-11-18 14:20:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 14:20:54,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 931 states and 1168 transitions. [2018-11-18 14:20:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1168 transitions. [2018-11-18 14:20:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 14:20:56,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 948 states and 1184 transitions. [2018-11-18 14:20:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1184 transitions. [2018-11-18 14:20:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 14:20:57,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:20:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 949 states and 1186 transitions. [2018-11-18 14:20:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1186 transitions. [2018-11-18 14:20:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 14:20:57,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:20:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:20:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 969 states and 1213 transitions. [2018-11-18 14:20:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1213 transitions. [2018-11-18 14:20:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 14:20:59,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:20:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:20:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 14:21:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1027 states and 1274 transitions. [2018-11-18 14:21:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1274 transitions. [2018-11-18 14:21:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 14:21:00,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 14:21:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1028 states and 1274 transitions. [2018-11-18 14:21:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1274 transitions. [2018-11-18 14:21:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 14:21:00,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 14:21:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1095 states and 1349 transitions. [2018-11-18 14:21:02,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1349 transitions. [2018-11-18 14:21:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 14:21:02,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 14:21:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1100 states and 1354 transitions. [2018-11-18 14:21:02,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1354 transitions. [2018-11-18 14:21:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 14:21:02,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 14:21:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1129 states and 1398 transitions. [2018-11-18 14:21:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1398 transitions. [2018-11-18 14:21:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 14:21:04,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 14:21:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1153 states and 1426 transitions. [2018-11-18 14:21:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1426 transitions. [2018-11-18 14:21:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 14:21:05,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:21:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1154 states and 1427 transitions. [2018-11-18 14:21:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1427 transitions. [2018-11-18 14:21:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 14:21:05,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 14:21:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1175 states and 1462 transitions. [2018-11-18 14:21:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1462 transitions. [2018-11-18 14:21:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 14:21:06,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 14:21:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1181 states and 1470 transitions. [2018-11-18 14:21:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1470 transitions. [2018-11-18 14:21:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 14:21:06,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:21:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1200 states and 1493 transitions. [2018-11-18 14:21:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1493 transitions. [2018-11-18 14:21:09,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 14:21:09,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:21:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1214 states and 1508 transitions. [2018-11-18 14:21:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1508 transitions. [2018-11-18 14:21:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 14:21:10,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:21:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1220 states and 1513 transitions. [2018-11-18 14:21:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1513 transitions. [2018-11-18 14:21:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 14:21:10,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:21:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1221 states and 1514 transitions. [2018-11-18 14:21:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1514 transitions. [2018-11-18 14:21:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 14:21:11,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 14:21:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1239 states and 1538 transitions. [2018-11-18 14:21:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1538 transitions. [2018-11-18 14:21:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 14:21:13,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 14:21:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1329 states and 1632 transitions. [2018-11-18 14:21:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1632 transitions. [2018-11-18 14:21:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 14:21:14,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:21:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1403 states and 1714 transitions. [2018-11-18 14:21:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1714 transitions. [2018-11-18 14:21:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 14:21:16,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 14:21:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1404 states and 1714 transitions. [2018-11-18 14:21:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1714 transitions. [2018-11-18 14:21:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 14:21:17,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 14:21:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1418 states and 1731 transitions. [2018-11-18 14:21:17,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1731 transitions. [2018-11-18 14:21:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 14:21:17,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 14:21:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1463 states and 1778 transitions. [2018-11-18 14:21:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1778 transitions. [2018-11-18 14:21:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 14:21:21,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 14:21:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1466 states and 1782 transitions. [2018-11-18 14:21:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1782 transitions. [2018-11-18 14:21:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 14:21:22,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 14:21:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1483 states and 1803 transitions. [2018-11-18 14:21:23,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1803 transitions. [2018-11-18 14:21:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 14:21:23,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 14:21:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1554 states and 1877 transitions. [2018-11-18 14:21:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1877 transitions. [2018-11-18 14:21:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 14:21:23,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 14:21:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1558 states and 1880 transitions. [2018-11-18 14:21:24,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1880 transitions. [2018-11-18 14:21:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 14:21:24,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 14:21:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:24,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1559 states and 1881 transitions. [2018-11-18 14:21:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1881 transitions. [2018-11-18 14:21:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 14:21:24,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:21:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:21:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 14:21:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:21:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1485 states and 1804 transitions. [2018-11-18 14:21:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1804 transitions. [2018-11-18 14:21:24,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:21:24,623 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-18 14:21:24,629 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:21:25,466 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-11-18 14:21:27,568 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-11-18 14:21:27,966 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2018-11-18 14:21:28,163 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 43 [2018-11-18 14:21:28,653 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-11-18 14:21:28,715 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:21:28,717 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 14:21:28,722 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 14:21:28,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:21:28 ImpRootNode [2018-11-18 14:21:28,723 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:21:28,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:21:28,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:21:28,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:21:28,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:22" (3/4) ... [2018-11-18 14:21:28,727 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:21:28,741 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 14:21:28,742 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 14:21:28,743 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 14:21:28,743 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 14:21:28,827 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_784c5393-9c13-4b7a-8129-1ae36ab06cf3/bin-2019/ukojak/witness.graphml [2018-11-18 14:21:28,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:21:28,828 INFO L168 Benchmark]: Toolchain (without parser) took 68263.63 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 951.1 MB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 449.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,828 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:21:28,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,829 INFO L168 Benchmark]: Boogie Preprocessor took 43.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,830 INFO L168 Benchmark]: RCFGBuilder took 1332.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.5 MB in the end (delta: 230.5 MB). Peak memory consumption was 230.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,830 INFO L168 Benchmark]: CodeCheck took 66314.14 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 875.5 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,831 INFO L168 Benchmark]: Witness Printer took 104.14 ms. Allocated memory is still 2.9 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:21:28,832 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, 62.1s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1060759968 SDtfs, 27886232 SDslu, 1253096192 SDs, 0 SdLazy, 1478235368 SolverSat, 408277232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 181.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82443 GetRequests, 79696 SyntacticMatches, 1823 SemanticMatches, 924 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569907 ImplicationChecksByTransitivity, 52.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 12459 NumberOfCodeBlocks, 12459 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 12370 ConstructedInterpolants, 0 QuantifiedInterpolants, 8689544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 72 PerfectInterpolantSequences, 8647/8840 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: 431]: 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: ((a8 == 15 || a7 == 1) || !(a17 == 1)) || a20 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || a7 == 1) || !(a17 == 1)) || a20 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1332.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.5 MB in the end (delta: 230.5 MB). Peak memory consumption was 230.5 MB. Max. memory is 11.5 GB. * CodeCheck took 66314.14 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 875.5 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 104.14 ms. Allocated memory is still 2.9 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...