./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_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_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:52:33,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:52:33,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:52:33,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:52:33,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:52:33,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:52:33,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:52:33,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:52:33,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:52:33,470 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:52:33,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:52:33,470 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:52:33,471 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:52:33,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:52:33,473 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:52:33,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:52:33,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:52:33,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:52:33,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:52:33,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:52:33,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:52:33,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:52:33,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:52:33,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:52:33,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:52:33,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:52:33,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:52:33,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:52:33,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:52:33,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:52:33,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:52:33,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:52:33,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:52:33,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:52:33,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:52:33,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:52:33,488 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:52:33,498 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:52:33,498 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:52:33,499 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:52:33,499 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:52:33,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:52:33,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:52:33,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:52:33,500 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:52:33,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:52:33,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:52:33,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:52:33,500 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:52:33,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:52:33,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:52:33,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:52:33,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:52:33,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:52:33,501 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:52:33,501 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:52:33,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:52:33,502 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:52:33,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:52:33,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:52:33,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:52:33,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:52:33,502 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:52:33,503 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:52:33,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:52:33,503 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_e53b7747-7faa-4cb4-85ea-8d9e2338d060/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2018-11-10 05:52:33,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:52:33,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:52:33,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:52:33,541 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:52:33,541 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:52:33,542 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-10 05:52:33,581 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/data/112071b49/4411b8b8c9824dddb83b56d82e7a7984/FLAGba4a47a25 [2018-11-10 05:52:34,037 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:52:34,038 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-10 05:52:34,046 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/data/112071b49/4411b8b8c9824dddb83b56d82e7a7984/FLAGba4a47a25 [2018-11-10 05:52:34,059 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/data/112071b49/4411b8b8c9824dddb83b56d82e7a7984 [2018-11-10 05:52:34,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:52:34,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:52:34,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:52:34,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:52:34,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:52:34,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e7f328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34, skipping insertion in model container [2018-11-10 05:52:34,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:52:34,113 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:52:34,320 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:52:34,322 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:52:34,386 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:52:34,399 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:52:34,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34 WrapperNode [2018-11-10 05:52:34,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:52:34,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:52:34,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:52:34,401 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:52:34,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:52:34,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:52:34,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:52:34,506 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:52:34,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... [2018-11-10 05:52:34,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:52:34,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:52:34,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:52:34,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:52:34,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:52:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:52:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:52:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:52:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:52:35,968 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:52:35,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:52:35 BoogieIcfgContainer [2018-11-10 05:52:35,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:52:35,969 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:52:35,969 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:52:35,976 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:52:35,976 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:52:35" (1/1) ... [2018-11-10 05:52:35,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:52:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 05:52:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 05:52:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 05:52:36,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:52:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-10 05:52:36,650 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-10 05:52:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 05:52:36,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:52:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 245 states and 328 transitions. [2018-11-10 05:52:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 328 transitions. [2018-11-10 05:52:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 05:52:37,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:52:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 246 states and 329 transitions. [2018-11-10 05:52:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 329 transitions. [2018-11-10 05:52:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 05:52:37,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:52:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 248 states and 332 transitions. [2018-11-10 05:52:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2018-11-10 05:52:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 05:52:37,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:37,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-11-10 05:52:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-11-10 05:52:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 05:52:37,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:37,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 288 states and 387 transitions. [2018-11-10 05:52:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 387 transitions. [2018-11-10 05:52:37,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 05:52:37,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 307 states and 416 transitions. [2018-11-10 05:52:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2018-11-10 05:52:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 05:52:38,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 312 states and 424 transitions. [2018-11-10 05:52:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2018-11-10 05:52:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 05:52:38,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 316 states and 428 transitions. [2018-11-10 05:52:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 428 transitions. [2018-11-10 05:52:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 05:52:38,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:52:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-11-10 05:52:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-11-10 05:52:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 05:52:38,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:52:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 321 states and 437 transitions. [2018-11-10 05:52:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2018-11-10 05:52:38,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 05:52:38,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:52:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 335 states and 451 transitions. [2018-11-10 05:52:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 451 transitions. [2018-11-10 05:52:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 05:52:39,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 05:52:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 340 states and 458 transitions. [2018-11-10 05:52:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 458 transitions. [2018-11-10 05:52:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 05:52:39,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:52:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-11-10 05:52:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-11-10 05:52:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 05:52:39,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 383 states and 515 transitions. [2018-11-10 05:52:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 515 transitions. [2018-11-10 05:52:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 05:52:40,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:52:41,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2018-11-10 05:52:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2018-11-10 05:52:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 05:52:41,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:52:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 402 states and 537 transitions. [2018-11-10 05:52:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2018-11-10 05:52:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 05:52:41,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 433 states and 574 transitions. [2018-11-10 05:52:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 574 transitions. [2018-11-10 05:52:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 05:52:42,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 437 states and 579 transitions. [2018-11-10 05:52:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 579 transitions. [2018-11-10 05:52:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 05:52:42,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 454 states and 598 transitions. [2018-11-10 05:52:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 598 transitions. [2018-11-10 05:52:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 05:52:42,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 473 states and 620 transitions. [2018-11-10 05:52:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 620 transitions. [2018-11-10 05:52:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 05:52:43,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 474 states and 622 transitions. [2018-11-10 05:52:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 622 transitions. [2018-11-10 05:52:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-10 05:52:43,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 05:52:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 478 states and 625 transitions. [2018-11-10 05:52:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 625 transitions. [2018-11-10 05:52:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 05:52:43,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:52:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 506 states and 653 transitions. [2018-11-10 05:52:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 653 transitions. [2018-11-10 05:52:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 05:52:43,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:52:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 511 states and 657 transitions. [2018-11-10 05:52:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 657 transitions. [2018-11-10 05:52:44,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 05:52:44,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 525 states and 672 transitions. [2018-11-10 05:52:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 672 transitions. [2018-11-10 05:52:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 05:52:44,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 537 states and 683 transitions. [2018-11-10 05:52:44,393 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 683 transitions. [2018-11-10 05:52:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 05:52:44,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 556 states and 702 transitions. [2018-11-10 05:52:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 702 transitions. [2018-11-10 05:52:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:52:44,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:46,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 598 states and 756 transitions. [2018-11-10 05:52:46,207 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 756 transitions. [2018-11-10 05:52:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:52:46,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 613 states and 770 transitions. [2018-11-10 05:52:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 770 transitions. [2018-11-10 05:52:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:52:46,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:46,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 625 states and 781 transitions. [2018-11-10 05:52:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 781 transitions. [2018-11-10 05:52:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 05:52:46,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 627 states and 783 transitions. [2018-11-10 05:52:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 783 transitions. [2018-11-10 05:52:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:52:46,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:52:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 628 states and 784 transitions. [2018-11-10 05:52:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 784 transitions. [2018-11-10 05:52:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:52:47,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 633 states and 791 transitions. [2018-11-10 05:52:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 791 transitions. [2018-11-10 05:52:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 05:52:47,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 634 states and 792 transitions. [2018-11-10 05:52:47,233 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 792 transitions. [2018-11-10 05:52:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 05:52:47,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 05:52:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 636 states and 793 transitions. [2018-11-10 05:52:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2018-11-10 05:52:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 05:52:47,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:52:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 650 states and 807 transitions. [2018-11-10 05:52:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 807 transitions. [2018-11-10 05:52:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-10 05:52:47,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 669 states and 829 transitions. [2018-11-10 05:52:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-10 05:52:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 05:52:47,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 670 states and 830 transitions. [2018-11-10 05:52:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 830 transitions. [2018-11-10 05:52:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 05:52:48,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 673 states and 833 transitions. [2018-11-10 05:52:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 833 transitions. [2018-11-10 05:52:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 05:52:48,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:48,196 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 684 states and 844 transitions. [2018-11-10 05:52:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 844 transitions. [2018-11-10 05:52:48,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 05:52:48,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:52:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 701 states and 862 transitions. [2018-11-10 05:52:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 862 transitions. [2018-11-10 05:52:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:52:49,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 725 states and 887 transitions. [2018-11-10 05:52:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 887 transitions. [2018-11-10 05:52:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:52:49,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 742 states and 907 transitions. [2018-11-10 05:52:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 907 transitions. [2018-11-10 05:52:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:52:50,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 754 states and 918 transitions. [2018-11-10 05:52:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 918 transitions. [2018-11-10 05:52:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 05:52:50,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 776 states and 941 transitions. [2018-11-10 05:52:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 941 transitions. [2018-11-10 05:52:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 05:52:51,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 804 states and 969 transitions. [2018-11-10 05:52:51,248 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 969 transitions. [2018-11-10 05:52:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 05:52:51,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 808 states and 973 transitions. [2018-11-10 05:52:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 973 transitions. [2018-11-10 05:52:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-10 05:52:51,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 818 states and 984 transitions. [2018-11-10 05:52:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 984 transitions. [2018-11-10 05:52:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 05:52:51,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 05:52:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 836 states and 1004 transitions. [2018-11-10 05:52:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1004 transitions. [2018-11-10 05:52:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 05:52:51,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 848 states and 1019 transitions. [2018-11-10 05:52:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1019 transitions. [2018-11-10 05:52:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 05:52:52,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 05:52:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 849 states and 1020 transitions. [2018-11-10 05:52:52,487 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1020 transitions. [2018-11-10 05:52:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 05:52:52,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 05:52:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 850 states and 1020 transitions. [2018-11-10 05:52:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1020 transitions. [2018-11-10 05:52:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 05:52:52,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 854 states and 1025 transitions. [2018-11-10 05:52:52,838 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1025 transitions. [2018-11-10 05:52:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 05:52:52,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 188 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 867 states and 1045 transitions. [2018-11-10 05:52:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1045 transitions. [2018-11-10 05:52:54,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 05:52:54,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:52:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 939 states and 1125 transitions. [2018-11-10 05:52:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1125 transitions. [2018-11-10 05:52:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 05:52:55,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:52:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 940 states and 1125 transitions. [2018-11-10 05:52:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1125 transitions. [2018-11-10 05:52:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 05:52:55,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 05:52:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 941 states and 1125 transitions. [2018-11-10 05:52:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1125 transitions. [2018-11-10 05:52:55,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-10 05:52:55,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:55,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 942 states and 1125 transitions. [2018-11-10 05:52:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1125 transitions. [2018-11-10 05:52:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 05:52:55,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:52:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 967 states and 1150 transitions. [2018-11-10 05:52:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1150 transitions. [2018-11-10 05:52:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-10 05:52:56,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 05:52:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 973 states and 1156 transitions. [2018-11-10 05:52:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1156 transitions. [2018-11-10 05:52:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-10 05:52:56,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 05:52:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 974 states and 1156 transitions. [2018-11-10 05:52:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1156 transitions. [2018-11-10 05:52:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 05:52:56,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:52:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1050 states and 1238 transitions. [2018-11-10 05:52:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1238 transitions. [2018-11-10 05:52:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 05:52:57,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:52:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1053 states and 1241 transitions. [2018-11-10 05:52:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1241 transitions. [2018-11-10 05:52:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 05:52:58,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:52:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:58,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1086 states and 1278 transitions. [2018-11-10 05:52:58,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1278 transitions. [2018-11-10 05:52:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 05:52:58,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:52:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1087 states and 1278 transitions. [2018-11-10 05:52:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1278 transitions. [2018-11-10 05:52:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 05:52:58,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-10 05:52:59,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1098 states and 1291 transitions. [2018-11-10 05:52:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1291 transitions. [2018-11-10 05:52:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 05:52:59,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 05:52:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1119 states and 1317 transitions. [2018-11-10 05:52:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1317 transitions. [2018-11-10 05:52:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 05:52:59,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 05:53:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1121 states and 1318 transitions. [2018-11-10 05:53:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1318 transitions. [2018-11-10 05:53:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-10 05:53:00,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 05:53:00,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1145 states and 1346 transitions. [2018-11-10 05:53:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1346 transitions. [2018-11-10 05:53:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-10 05:53:00,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 05:53:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1146 states and 1346 transitions. [2018-11-10 05:53:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1346 transitions. [2018-11-10 05:53:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 05:53:01,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 05:53:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1180 states and 1385 transitions. [2018-11-10 05:53:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1385 transitions. [2018-11-10 05:53:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 05:53:01,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 05:53:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1184 states and 1390 transitions. [2018-11-10 05:53:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1390 transitions. [2018-11-10 05:53:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 05:53:02,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 05:53:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1185 states and 1391 transitions. [2018-11-10 05:53:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1391 transitions. [2018-11-10 05:53:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 05:53:02,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:53:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1189 states and 1397 transitions. [2018-11-10 05:53:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1397 transitions. [2018-11-10 05:53:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 05:53:02,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:53:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1206 states and 1414 transitions. [2018-11-10 05:53:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1414 transitions. [2018-11-10 05:53:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 05:53:02,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:53:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1207 states and 1414 transitions. [2018-11-10 05:53:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1414 transitions. [2018-11-10 05:53:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-10 05:53:03,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 05:53:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1245 states and 1454 transitions. [2018-11-10 05:53:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1454 transitions. [2018-11-10 05:53:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 05:53:03,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 05:53:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1309 states and 1524 transitions. [2018-11-10 05:53:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1524 transitions. [2018-11-10 05:53:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 05:53:06,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 05:53:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1313 states and 1528 transitions. [2018-11-10 05:53:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1528 transitions. [2018-11-10 05:53:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 05:53:06,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 05:53:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1316 states and 1530 transitions. [2018-11-10 05:53:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1530 transitions. [2018-11-10 05:53:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 05:53:06,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 05:53:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1439 states and 1672 transitions. [2018-11-10 05:53:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1672 transitions. [2018-11-10 05:53:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 05:53:10,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 05:53:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1443 states and 1676 transitions. [2018-11-10 05:53:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1676 transitions. [2018-11-10 05:53:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 05:53:11,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 05:53:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1448 states and 1680 transitions. [2018-11-10 05:53:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1680 transitions. [2018-11-10 05:53:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-10 05:53:12,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 05:53:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1475 states and 1707 transitions. [2018-11-10 05:53:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1707 transitions. [2018-11-10 05:53:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 05:53:12,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:53:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1499 states and 1731 transitions. [2018-11-10 05:53:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1731 transitions. [2018-11-10 05:53:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 05:53:12,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:53:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1518 states and 1749 transitions. [2018-11-10 05:53:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1749 transitions. [2018-11-10 05:53:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-10 05:53:12,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 05:53:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1532 states and 1763 transitions. [2018-11-10 05:53:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1763 transitions. [2018-11-10 05:53:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 05:53:13,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-10 05:53:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1549 states and 1783 transitions. [2018-11-10 05:53:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1783 transitions. [2018-11-10 05:53:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 05:53:13,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:53:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:53:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-10 05:53:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:53:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1385 states and 1596 transitions. [2018-11-10 05:53:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1596 transitions. [2018-11-10 05:53:14,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:53:14,011 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 91 iterations. [2018-11-10 05:53:14,017 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:53:16,922 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:53:16,925 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 05:53:16,929 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 05:53:16,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:53:16 ImpRootNode [2018-11-10 05:53:16,930 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:53:16,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:53:16,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:53:16,930 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:53:16,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:52:35" (3/4) ... [2018-11-10 05:53:16,933 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:53:16,945 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-10 05:53:16,945 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:53:16,946 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 05:53:16,947 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:53:17,029 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e53b7747-7faa-4cb4-85ea-8d9e2338d060/bin-2019/ukojak/witness.graphml [2018-11-10 05:53:17,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:53:17,029 INFO L168 Benchmark]: Toolchain (without parser) took 42967.69 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 957.6 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 177.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,031 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:53:17,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.76 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 922.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 922.7 MB in the beginning and 1.1 GB in the end (delta: -216.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,032 INFO L168 Benchmark]: Boogie Preprocessor took 41.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,032 INFO L168 Benchmark]: RCFGBuilder took 1420.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.3 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,032 INFO L168 Benchmark]: CodeCheck took 40960.78 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 887.3 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,032 INFO L168 Benchmark]: Witness Printer took 99.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:53:17,034 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, 38.0s OverallTime, 91 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 727193616 SDtfs, 1757118556 SDslu, -1107067776 SDs, 0 SdLazy, -1107752574 SolverSat, 1749725742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 179.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103292 GetRequests, 101836 SyntacticMatches, 860 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261990 ImplicationChecksByTransitivity, 28.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 16452 NumberOfCodeBlocks, 16452 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 16362 ConstructedInterpolants, 0 QuantifiedInterpolants, 7589118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 71 PerfectInterpolantSequences, 15887/16178 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: 469]: 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: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.76 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 922.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 922.7 MB in the beginning and 1.1 GB in the end (delta: -216.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1420.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.3 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. * CodeCheck took 40960.78 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 887.3 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 99.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...