./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_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_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:44:39,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:44:39,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:44:39,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:44:39,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:44:39,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:44:39,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:44:39,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:44:39,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:44:39,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:44:39,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:44:39,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:44:39,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:44:39,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:44:39,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:44:39,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:44:39,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:44:39,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:44:39,430 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:44:39,431 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:44:39,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:44:39,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:44:39,434 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:44:39,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:44:39,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:44:39,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:44:39,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:44:39,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:44:39,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:44:39,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:44:39,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:44:39,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:44:39,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:44:39,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:44:39,439 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:44:39,440 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:44:39,440 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:44:39,450 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:44:39,450 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:44:39,451 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:44:39,451 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:44:39,451 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:44:39,451 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:44:39,452 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:44:39,452 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:44:39,452 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:44:39,452 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:44:39,452 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:44:39,452 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:44:39,453 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:44:39,453 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:44:39,453 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:44:39,453 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:44:39,453 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:44:39,453 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:44:39,453 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:44:39,454 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:44:39,454 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:44:39,454 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:44:39,454 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:44:39,454 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:44:39,454 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:44:39,454 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:44:39,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:44:39,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:44:39,455 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_b5339a15-65e1-4555-87f2-10d3e94f4a88/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2018-11-10 12:44:39,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:44:39,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:44:39,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:44:39,493 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:44:39,493 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:44:39,493 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-10 12:44:39,535 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/data/ac9749d15/5c64f29f40b344718b17d81ae73632e6/FLAGcc5e7bbcd [2018-11-10 12:44:39,908 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:44:39,909 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-10 12:44:39,917 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/data/ac9749d15/5c64f29f40b344718b17d81ae73632e6/FLAGcc5e7bbcd [2018-11-10 12:44:39,929 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/data/ac9749d15/5c64f29f40b344718b17d81ae73632e6 [2018-11-10 12:44:39,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:44:39,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:44:39,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:44:39,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:44:39,937 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:44:39,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4104a14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39, skipping insertion in model container [2018-11-10 12:44:39,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:44:39,980 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:44:40,207 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:44:40,210 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:44:40,275 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:44:40,289 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:44:40,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40 WrapperNode [2018-11-10 12:44:40,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:44:40,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:44:40,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:44:40,290 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:44:40,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:44:40,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:44:40,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:44:40,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:44:40,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... [2018-11-10 12:44:40,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:44:40,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:44:40,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:44:40,442 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:44:40,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/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 12:44:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:44:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:44:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:44:42,089 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:44:42,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:44:42 BoogieIcfgContainer [2018-11-10 12:44:42,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:44:42,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:44:42,091 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:44:42,098 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:44:42,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:44:42" (1/1) ... [2018-11-10 12:44:42,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:44:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 12:44:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 12:44:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:44:42,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:42,386 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 12:44:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-10 12:44:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-10 12:44:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 12:44:42,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:44:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-10 12:44:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-10 12:44:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 12:44:42,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-10 12:44:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-10 12:44:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 12:44:43,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:44:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 232 states and 324 transitions. [2018-11-10 12:44:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 324 transitions. [2018-11-10 12:44:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 12:44:43,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:44:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 267 states and 365 transitions. [2018-11-10 12:44:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 365 transitions. [2018-11-10 12:44:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 12:44:44,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:44:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 278 states and 383 transitions. [2018-11-10 12:44:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 383 transitions. [2018-11-10 12:44:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 12:44:44,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:44:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 290 states and 402 transitions. [2018-11-10 12:44:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 402 transitions. [2018-11-10 12:44:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 12:44:45,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:44:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 297 states and 411 transitions. [2018-11-10 12:44:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 411 transitions. [2018-11-10 12:44:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 12:44:45,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:44:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 301 states and 416 transitions. [2018-11-10 12:44:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 416 transitions. [2018-11-10 12:44:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 12:44:45,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:44:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 303 states and 417 transitions. [2018-11-10 12:44:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 417 transitions. [2018-11-10 12:44:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 12:44:45,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 343 states and 461 transitions. [2018-11-10 12:44:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 461 transitions. [2018-11-10 12:44:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 12:44:46,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:44:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 357 states and 476 transitions. [2018-11-10 12:44:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 476 transitions. [2018-11-10 12:44:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 12:44:46,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 363 states and 483 transitions. [2018-11-10 12:44:46,471 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 483 transitions. [2018-11-10 12:44:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 12:44:46,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 369 states and 490 transitions. [2018-11-10 12:44:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 490 transitions. [2018-11-10 12:44:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 12:44:46,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 372 states and 492 transitions. [2018-11-10 12:44:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 492 transitions. [2018-11-10 12:44:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 12:44:47,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 415 states and 542 transitions. [2018-11-10 12:44:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 542 transitions. [2018-11-10 12:44:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 12:44:47,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 420 states and 549 transitions. [2018-11-10 12:44:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 549 transitions. [2018-11-10 12:44:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 12:44:47,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:44:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 427 states and 557 transitions. [2018-11-10 12:44:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 557 transitions. [2018-11-10 12:44:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 12:44:47,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:48,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 433 states and 568 transitions. [2018-11-10 12:44:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 568 transitions. [2018-11-10 12:44:48,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 12:44:48,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 434 states and 568 transitions. [2018-11-10 12:44:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 568 transitions. [2018-11-10 12:44:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 12:44:48,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 452 states and 591 transitions. [2018-11-10 12:44:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 591 transitions. [2018-11-10 12:44:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 12:44:49,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 517 states and 658 transitions. [2018-11-10 12:44:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 658 transitions. [2018-11-10 12:44:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 12:44:50,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 12:44:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 521 states and 661 transitions. [2018-11-10 12:44:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 661 transitions. [2018-11-10 12:44:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 12:44:51,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 12:44:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 535 states and 677 transitions. [2018-11-10 12:44:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 677 transitions. [2018-11-10 12:44:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 12:44:51,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 590 states and 745 transitions. [2018-11-10 12:44:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 745 transitions. [2018-11-10 12:44:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 12:44:53,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 609 states and 763 transitions. [2018-11-10 12:44:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 763 transitions. [2018-11-10 12:44:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 12:44:54,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:44:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:54,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 627 states and 781 transitions. [2018-11-10 12:44:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 781 transitions. [2018-11-10 12:44:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:44:54,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 635 states and 792 transitions. [2018-11-10 12:44:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 792 transitions. [2018-11-10 12:44:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:44:55,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 12:44:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 640 states and 798 transitions. [2018-11-10 12:44:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 798 transitions. [2018-11-10 12:44:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:44:55,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 12:44:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 644 states and 803 transitions. [2018-11-10 12:44:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 803 transitions. [2018-11-10 12:44:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:44:55,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 12:44:55,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 646 states and 804 transitions. [2018-11-10 12:44:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 804 transitions. [2018-11-10 12:44:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 12:44:55,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 12:44:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 647 states and 805 transitions. [2018-11-10 12:44:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 805 transitions. [2018-11-10 12:44:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 12:44:55,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 12:44:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 648 states and 805 transitions. [2018-11-10 12:44:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 805 transitions. [2018-11-10 12:44:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 12:44:56,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 101 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 12:44:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 684 states and 851 transitions. [2018-11-10 12:44:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 851 transitions. [2018-11-10 12:44:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 12:44:57,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 12:44:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 727 states and 896 transitions. [2018-11-10 12:44:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 896 transitions. [2018-11-10 12:44:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 12:44:57,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-10 12:44:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 736 states and 908 transitions. [2018-11-10 12:44:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 908 transitions. [2018-11-10 12:44:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 12:44:58,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 12:44:59,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 816 states and 995 transitions. [2018-11-10 12:44:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 995 transitions. [2018-11-10 12:44:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:44:59,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 12:44:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 818 states and 997 transitions. [2018-11-10 12:44:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 997 transitions. [2018-11-10 12:44:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:44:59,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 12:44:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 819 states and 997 transitions. [2018-11-10 12:44:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 997 transitions. [2018-11-10 12:44:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 12:44:59,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-10 12:45:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 852 states and 1032 transitions. [2018-11-10 12:45:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1032 transitions. [2018-11-10 12:45:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 12:45:00,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-10 12:45:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 853 states and 1032 transitions. [2018-11-10 12:45:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1032 transitions. [2018-11-10 12:45:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 12:45:00,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 149 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 12:45:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 929 states and 1122 transitions. [2018-11-10 12:45:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1122 transitions. [2018-11-10 12:45:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 12:45:02,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 149 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 12:45:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 940 states and 1132 transitions. [2018-11-10 12:45:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1132 transitions. [2018-11-10 12:45:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-10 12:45:03,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:03,436 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 171 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-10 12:45:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 963 states and 1156 transitions. [2018-11-10 12:45:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1156 transitions. [2018-11-10 12:45:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 12:45:03,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 139 proven. 11 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 12:45:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 982 states and 1188 transitions. [2018-11-10 12:45:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1188 transitions. [2018-11-10 12:45:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-10 12:45:05,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 12:45:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 984 states and 1190 transitions. [2018-11-10 12:45:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1190 transitions. [2018-11-10 12:45:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 12:45:05,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 156 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-10 12:45:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:06,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1057 states and 1271 transitions. [2018-11-10 12:45:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1271 transitions. [2018-11-10 12:45:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 12:45:06,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 12:45:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1067 states and 1288 transitions. [2018-11-10 12:45:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1288 transitions. [2018-11-10 12:45:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-10 12:45:08,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 12:45:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1070 states and 1291 transitions. [2018-11-10 12:45:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1291 transitions. [2018-11-10 12:45:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-10 12:45:08,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 12:45:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1131 states and 1365 transitions. [2018-11-10 12:45:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1365 transitions. [2018-11-10 12:45:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 12:45:11,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 12:45:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1177 states and 1420 transitions. [2018-11-10 12:45:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1420 transitions. [2018-11-10 12:45:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 12:45:12,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 12:45:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1200 states and 1442 transitions. [2018-11-10 12:45:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1442 transitions. [2018-11-10 12:45:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 12:45:12,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-10 12:45:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1253 states and 1501 transitions. [2018-11-10 12:45:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1501 transitions. [2018-11-10 12:45:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-10 12:45:16,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 242 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-10 12:45:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1345 states and 1596 transitions. [2018-11-10 12:45:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1596 transitions. [2018-11-10 12:45:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 12:45:17,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 12:45:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1349 states and 1599 transitions. [2018-11-10 12:45:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1599 transitions. [2018-11-10 12:45:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-10 12:45:18,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:45:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:45:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-10 12:45:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:45:25,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1336 states and 1611 transitions. [2018-11-10 12:45:25,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1611 transitions. [2018-11-10 12:45:25,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:45:25,700 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2018-11-10 12:45:25,707 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:45:26,797 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 36 [2018-11-10 12:45:29,122 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:45:29,124 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-11-10 12:45:29,129 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-11-10 12:45:29,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:45:29 ImpRootNode [2018-11-10 12:45:29,130 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:45:29,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:45:29,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:45:29,130 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:45:29,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:44:42" (3/4) ... [2018-11-10 12:45:29,133 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:45:29,149 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 12:45:29,149 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 12:45:29,150 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 12:45:29,151 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:45:29,252 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5339a15-65e1-4555-87f2-10d3e94f4a88/bin-2019/ukojak/witness.graphml [2018-11-10 12:45:29,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:45:29,252 INFO L168 Benchmark]: Toolchain (without parser) took 49320.25 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -201.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-10 12:45:29,253 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:45:29,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 919.4 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:29,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 919.4 MB in the beginning and 1.1 GB in the end (delta: -218.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:29,254 INFO L168 Benchmark]: Boogie Preprocessor took 39.33 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:29,254 INFO L168 Benchmark]: RCFGBuilder took 1648.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.9 MB in the end (delta: 238.3 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:45:29,254 INFO L168 Benchmark]: CodeCheck took 47038.62 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 895.9 MB in the beginning and 1.2 GB in the end (delta: -255.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-10 12:45:29,255 INFO L168 Benchmark]: Witness Printer took 121.93 ms. Allocated memory is still 2.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:45:29,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 43.5s OverallTime, 57 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1367771856 SDtfs, -1905520710 SDslu, -841683924 SDs, 0 SdLazy, -167736948 SolverSat, 1467450314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61162 GetRequests, 59546 SyntacticMatches, 894 SemanticMatches, 722 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327571 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 9005 NumberOfCodeBlocks, 9005 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 8949 ConstructedInterpolants, 0 QuantifiedInterpolants, 6433357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 41 PerfectInterpolantSequences, 8129/8413 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: 548]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a17 == 1)) || a20 == 1) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a17 == 1)) || a20 == 1) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 919.4 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 919.4 MB in the beginning and 1.1 GB in the end (delta: -218.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.33 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1648.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.9 MB in the end (delta: 238.3 MB). Peak memory consumption was 238.3 MB. Max. memory is 11.5 GB. * CodeCheck took 47038.62 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 895.9 MB in the beginning and 1.2 GB in the end (delta: -255.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 121.93 ms. Allocated memory is still 2.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...