./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/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 f6b5db140f0af5d4dbaefce619ea0ad631629d04 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:17:50,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:17:50,264 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:17:50,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:17:50,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:17:50,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:17:50,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:17:50,278 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:17:50,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:17:50,281 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:17:50,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:17:50,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:17:50,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:17:50,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:17:50,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:17:50,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:17:50,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:17:50,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:17:50,290 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:17:50,291 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:17:50,292 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:17:50,293 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:17:50,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:17:50,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:17:50,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:17:50,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:17:50,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:17:50,298 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:17:50,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:17:50,300 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:17:50,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:17:50,301 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:17:50,301 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:17:50,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:17:50,302 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:17:50,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:17:50,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:17:50,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:17:50,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:17:50,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:17:50,317 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:17:50,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:17:50,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:17:50,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:17:50,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:17:50,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:17:50,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:17:50,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:17:50,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:17:50,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:17:50,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:17:50,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:17:50,321 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:17:50,321 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:17:50,321 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:17:50,322 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:17:50,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:17:50,322 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:17:50,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:17:50,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:17:50,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:17:50,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:17:50,323 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:17:50,323 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:17:50,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:17:50,323 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_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/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 -> f6b5db140f0af5d4dbaefce619ea0ad631629d04 [2018-10-26 20:17:50,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:17:50,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:17:50,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:17:50,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:17:50,388 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:17:50,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-10-26 20:17:50,438 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/data/674c0ebff/cbf26e92eabf4f91ab433f05befdbeb7/FLAG53382566c [2018-10-26 20:17:50,909 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:17:50,910 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-10-26 20:17:50,921 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/data/674c0ebff/cbf26e92eabf4f91ab433f05befdbeb7/FLAG53382566c [2018-10-26 20:17:50,935 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/data/674c0ebff/cbf26e92eabf4f91ab433f05befdbeb7 [2018-10-26 20:17:50,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:17:50,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:17:50,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:17:50,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:17:50,946 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:17:50,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:17:50" (1/1) ... [2018-10-26 20:17:50,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccde937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:50, skipping insertion in model container [2018-10-26 20:17:50,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:17:50" (1/1) ... [2018-10-26 20:17:50,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:17:51,010 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:17:51,411 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:17:51,422 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:17:51,552 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:17:51,567 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:17:51,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51 WrapperNode [2018-10-26 20:17:51,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:17:51,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:17:51,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:17:51,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:17:51,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:17:51,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:17:51,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:17:51,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:17:51,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... [2018-10-26 20:17:51,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:17:51,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:17:51,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:17:51,813 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:17:51,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:17:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:17:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 20:17:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:17:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:17:57,034 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:17:57,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:17:57 BoogieIcfgContainer [2018-10-26 20:17:57,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:17:57,035 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:17:57,035 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:17:57,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:17:57,048 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:17:57" (1/1) ... [2018-10-26 20:17:57,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:17:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:17:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 20:17:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 20:17:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 20:17:57,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:17:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:17:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:17:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:17:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-10-26 20:17:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-10-26 20:17:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 20:17:58,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:17:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:17:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:17:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:17:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-10-26 20:17:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-10-26 20:17:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 20:17:58,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:17:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:17:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:17:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:17:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-26 20:17:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-26 20:17:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 20:17:59,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:17:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:17:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:17:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:17:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-10-26 20:17:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-10-26 20:17:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 20:17:59,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:17:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:18:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-10-26 20:18:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-10-26 20:18:00,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 20:18:00,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:18:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-10-26 20:18:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-10-26 20:18:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 20:18:00,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:18:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-10-26 20:18:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-10-26 20:18:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 20:18:01,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:18:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-10-26 20:18:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-10-26 20:18:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 20:18:01,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 20:18:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-10-26 20:18:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-10-26 20:18:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 20:18:01,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 20:18:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-10-26 20:18:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-10-26 20:18:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 20:18:02,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:18:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:03,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 338 states and 445 transitions. [2018-10-26 20:18:03,798 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 445 transitions. [2018-10-26 20:18:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 20:18:03,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:18:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 350 states and 461 transitions. [2018-10-26 20:18:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 461 transitions. [2018-10-26 20:18:04,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 20:18:04,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 381 states and 500 transitions. [2018-10-26 20:18:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 500 transitions. [2018-10-26 20:18:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 20:18:06,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:18:06,585 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 20:18:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 398 states and 521 transitions. [2018-10-26 20:18:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 521 transitions. [2018-10-26 20:18:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 20:18:07,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:18:08,040 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 20:18:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 400 states and 522 transitions. [2018-10-26 20:18:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 522 transitions. [2018-10-26 20:18:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 20:18:08,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 431 states and 558 transitions. [2018-10-26 20:18:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 558 transitions. [2018-10-26 20:18:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 20:18:09,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 435 states and 562 transitions. [2018-10-26 20:18:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 562 transitions. [2018-10-26 20:18:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:18:09,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:09,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 448 states and 576 transitions. [2018-10-26 20:18:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 576 transitions. [2018-10-26 20:18:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 20:18:09,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 467 states and 598 transitions. [2018-10-26 20:18:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 598 transitions. [2018-10-26 20:18:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 20:18:10,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 20:18:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 471 states and 601 transitions. [2018-10-26 20:18:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 601 transitions. [2018-10-26 20:18:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:18:10,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:18:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 498 states and 628 transitions. [2018-10-26 20:18:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 628 transitions. [2018-10-26 20:18:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:18:11,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:18:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 503 states and 632 transitions. [2018-10-26 20:18:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 632 transitions. [2018-10-26 20:18:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 20:18:11,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:11,964 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 20:18:13,384 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 20:18:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:14,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 517 states and 647 transitions. [2018-10-26 20:18:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 647 transitions. [2018-10-26 20:18:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 20:18:14,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 529 states and 658 transitions. [2018-10-26 20:18:14,381 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 658 transitions. [2018-10-26 20:18:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 20:18:14,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:14,868 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 20:18:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 534 states and 664 transitions. [2018-10-26 20:18:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 664 transitions. [2018-10-26 20:18:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 20:18:15,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 553 states and 683 transitions. [2018-10-26 20:18:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 683 transitions. [2018-10-26 20:18:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:18:16,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 595 states and 736 transitions. [2018-10-26 20:18:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 736 transitions. [2018-10-26 20:18:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:18:18,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:18,492 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 20:18:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 610 states and 750 transitions. [2018-10-26 20:18:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 750 transitions. [2018-10-26 20:18:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 20:18:18,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 622 states and 761 transitions. [2018-10-26 20:18:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 761 transitions. [2018-10-26 20:18:18,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 20:18:18,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 624 states and 763 transitions. [2018-10-26 20:18:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 763 transitions. [2018-10-26 20:18:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 20:18:19,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 629 states and 770 transitions. [2018-10-26 20:18:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 770 transitions. [2018-10-26 20:18:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 20:18:19,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 630 states and 771 transitions. [2018-10-26 20:18:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 771 transitions. [2018-10-26 20:18:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 20:18:19,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 20:18:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 632 states and 772 transitions. [2018-10-26 20:18:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 772 transitions. [2018-10-26 20:18:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 20:18:19,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:18:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 646 states and 786 transitions. [2018-10-26 20:18:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 786 transitions. [2018-10-26 20:18:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 20:18:19,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 665 states and 808 transitions. [2018-10-26 20:18:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 808 transitions. [2018-10-26 20:18:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 20:18:20,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 666 states and 809 transitions. [2018-10-26 20:18:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 809 transitions. [2018-10-26 20:18:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 20:18:20,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 669 states and 812 transitions. [2018-10-26 20:18:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 812 transitions. [2018-10-26 20:18:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 20:18:21,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 680 states and 823 transitions. [2018-10-26 20:18:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 823 transitions. [2018-10-26 20:18:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 20:18:21,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:18:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 696 states and 839 transitions. [2018-10-26 20:18:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 839 transitions. [2018-10-26 20:18:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 20:18:22,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 700 states and 845 transitions. [2018-10-26 20:18:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 845 transitions. [2018-10-26 20:18:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 20:18:23,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 712 states and 856 transitions. [2018-10-26 20:18:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 856 transitions. [2018-10-26 20:18:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:18:23,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 20:18:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 713 states and 858 transitions. [2018-10-26 20:18:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 858 transitions. [2018-10-26 20:18:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 20:18:24,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:24,181 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 717 states and 862 transitions. [2018-10-26 20:18:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 862 transitions. [2018-10-26 20:18:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 20:18:24,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 744 states and 890 transitions. [2018-10-26 20:18:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 890 transitions. [2018-10-26 20:18:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 20:18:24,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 20:18:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 762 states and 910 transitions. [2018-10-26 20:18:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 910 transitions. [2018-10-26 20:18:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 20:18:25,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 774 states and 925 transitions. [2018-10-26 20:18:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 925 transitions. [2018-10-26 20:18:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 20:18:26,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 20:18:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 775 states and 926 transitions. [2018-10-26 20:18:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 926 transitions. [2018-10-26 20:18:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 20:18:26,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 20:18:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 776 states and 926 transitions. [2018-10-26 20:18:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 926 transitions. [2018-10-26 20:18:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 20:18:26,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 780 states and 931 transitions. [2018-10-26 20:18:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 931 transitions. [2018-10-26 20:18:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 20:18:26,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 188 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 804 states and 961 transitions. [2018-10-26 20:18:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 961 transitions. [2018-10-26 20:18:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 20:18:28,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:18:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 876 states and 1039 transitions. [2018-10-26 20:18:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1039 transitions. [2018-10-26 20:18:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 20:18:29,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 20:18:30,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 877 states and 1040 transitions. [2018-10-26 20:18:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1040 transitions. [2018-10-26 20:18:30,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 20:18:30,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 907 states and 1070 transitions. [2018-10-26 20:18:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1070 transitions. [2018-10-26 20:18:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 20:18:30,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 931 states and 1095 transitions. [2018-10-26 20:18:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1095 transitions. [2018-10-26 20:18:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 20:18:31,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 20:18:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 932 states and 1095 transitions. [2018-10-26 20:18:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1095 transitions. [2018-10-26 20:18:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 20:18:31,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 20:18:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 938 states and 1100 transitions. [2018-10-26 20:18:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1100 transitions. [2018-10-26 20:18:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 20:18:31,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 20:18:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1015 states and 1184 transitions. [2018-10-26 20:18:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1184 transitions. [2018-10-26 20:18:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 20:18:33,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 20:18:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1046 states and 1215 transitions. [2018-10-26 20:18:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1215 transitions. [2018-10-26 20:18:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 20:18:33,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:18:34,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1079 states and 1252 transitions. [2018-10-26 20:18:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1252 transitions. [2018-10-26 20:18:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 20:18:34,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:18:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1080 states and 1252 transitions. [2018-10-26 20:18:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1252 transitions. [2018-10-26 20:18:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 20:18:34,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-26 20:18:34,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1092 states and 1267 transitions. [2018-10-26 20:18:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1267 transitions. [2018-10-26 20:18:34,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 20:18:34,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:18:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1113 states and 1292 transitions. [2018-10-26 20:18:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1292 transitions. [2018-10-26 20:18:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 20:18:36,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:18:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1115 states and 1293 transitions. [2018-10-26 20:18:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1293 transitions. [2018-10-26 20:18:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 20:18:36,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 20:18:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1139 states and 1318 transitions. [2018-10-26 20:18:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1318 transitions. [2018-10-26 20:18:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-10-26 20:18:36,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 20:18:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1173 states and 1355 transitions. [2018-10-26 20:18:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1355 transitions. [2018-10-26 20:18:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-10-26 20:18:38,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 20:18:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1177 states and 1359 transitions. [2018-10-26 20:18:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1359 transitions. [2018-10-26 20:18:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-10-26 20:18:39,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 20:18:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1181 states and 1365 transitions. [2018-10-26 20:18:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1365 transitions. [2018-10-26 20:18:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-26 20:18:39,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 20:18:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1198 states and 1381 transitions. [2018-10-26 20:18:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1381 transitions. [2018-10-26 20:18:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-26 20:18:39,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 20:18:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1236 states and 1421 transitions. [2018-10-26 20:18:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1421 transitions. [2018-10-26 20:18:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 20:18:40,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 20:18:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:44,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1300 states and 1491 transitions. [2018-10-26 20:18:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1491 transitions. [2018-10-26 20:18:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 20:18:44,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 20:18:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1305 states and 1496 transitions. [2018-10-26 20:18:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1496 transitions. [2018-10-26 20:18:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 20:18:45,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 20:18:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1308 states and 1498 transitions. [2018-10-26 20:18:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1498 transitions. [2018-10-26 20:18:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 20:18:45,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:18:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1431 states and 1640 transitions. [2018-10-26 20:18:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1640 transitions. [2018-10-26 20:18:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 20:18:50,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:18:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1435 states and 1644 transitions. [2018-10-26 20:18:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1644 transitions. [2018-10-26 20:18:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 20:18:51,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 20:18:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1440 states and 1648 transitions. [2018-10-26 20:18:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1648 transitions. [2018-10-26 20:18:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 20:18:51,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 20:18:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1467 states and 1675 transitions. [2018-10-26 20:18:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1675 transitions. [2018-10-26 20:18:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 20:18:51,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 20:18:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1491 states and 1699 transitions. [2018-10-26 20:18:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1699 transitions. [2018-10-26 20:18:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 20:18:52,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 20:18:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1510 states and 1717 transitions. [2018-10-26 20:18:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1717 transitions. [2018-10-26 20:18:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 20:18:53,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 20:18:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1524 states and 1731 transitions. [2018-10-26 20:18:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1731 transitions. [2018-10-26 20:18:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-26 20:18:53,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 20:18:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1541 states and 1751 transitions. [2018-10-26 20:18:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1751 transitions. [2018-10-26 20:18:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-26 20:18:53,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:18:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:18:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 20:18:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:18:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1377 states and 1564 transitions. [2018-10-26 20:18:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1564 transitions. [2018-10-26 20:18:54,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:18:54,581 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 82 iterations. [2018-10-26 20:18:54,591 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:18:55,085 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 15 [2018-10-26 20:18:55,943 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 15 [2018-10-26 20:18:56,271 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 15 [2018-10-26 20:18:56,852 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2018-10-26 20:18:58,504 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 15 [2018-10-26 20:18:58,734 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:18:58,736 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 20:18:58,742 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 20:18:58,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:18:58 ImpRootNode [2018-10-26 20:18:58,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:18:58,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:18:58,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:18:58,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:18:58,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:17:57" (3/4) ... [2018-10-26 20:18:58,750 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:18:58,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 20:18:58,770 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 20:18:58,771 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 20:18:58,773 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:18:58,911 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60736e78-1b5d-4062-a9ee-fa4823dc2fb3/bin-2019/ukojak/witness.graphml [2018-10-26 20:18:58,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:18:58,912 INFO L168 Benchmark]: Toolchain (without parser) took 67973.26 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 951.8 MB in the beginning and 1.4 GB in the end (delta: -425.3 MB). Peak memory consumption was 610.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,913 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:18:58,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -232.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,914 INFO L168 Benchmark]: Boogie Preprocessor took 76.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,914 INFO L168 Benchmark]: RCFGBuilder took 5222.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 913.6 MB in the end (delta: 236.7 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,914 INFO L168 Benchmark]: CodeCheck took 61707.59 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 874.0 MB). Free memory was 913.6 MB in the beginning and 1.4 GB in the end (delta: -486.1 MB). Peak memory consumption was 857.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,915 INFO L168 Benchmark]: Witness Printer took 168.52 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:18:58,920 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 57.5s OverallTime, 82 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 91101200 SDtfs, 441341020 SDslu, 729723008 SDs, 0 SdLazy, -789120126 SolverSat, -467798994 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 419.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93018 GetRequests, 91646 SyntacticMatches, 842 SemanticMatches, 530 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197665 ImplicationChecksByTransitivity, 40.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 14745 NumberOfCodeBlocks, 14745 NumberOfCodeBlocksAsserted, 81 NumberOfCheckSat, 14664 ConstructedInterpolants, 0 QuantifiedInterpolants, 6962776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 81 InterpolantComputations, 64 PerfectInterpolantSequences, 14281/14554 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: 454]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a11 == 1 && !(a17 == 9)) || a17 == 8) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 166.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -232.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5222.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 913.6 MB in the end (delta: 236.7 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. * CodeCheck took 61707.59 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 874.0 MB). Free memory was 913.6 MB in the beginning and 1.4 GB in the end (delta: -486.1 MB). Peak memory consumption was 857.0 MB. Max. memory is 11.5 GB. * Witness Printer took 168.52 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...