./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/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 d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:19:39,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:19:39,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:19:39,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:19:39,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:19:39,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:19:39,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:19:39,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:19:39,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:19:39,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:19:39,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:19:39,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:19:39,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:19:39,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:19:39,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:19:39,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:19:39,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:19:39,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:19:39,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:19:39,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:19:39,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:19:39,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:19:39,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:19:39,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:19:39,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:19:39,527 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:19:39,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:19:39,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:19:39,528 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:19:39,529 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:19:39,529 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:19:39,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:19:39,529 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:19:39,530 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:19:39,530 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:19:39,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:19:39,531 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 22:19:39,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:19:39,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:19:39,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:19:39,538 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 22:19:39,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:19:39,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:19:39,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:19:39,540 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 22:19:39,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:19:39,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:19:39,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 22:19:39,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:19:39,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:19:39,541 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:19:39,541 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 22:19:39,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:19:39,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:19:39,541 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_a9f30cba-ffad-4ab9-8af6-80fa38869808/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 -> d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 [2018-12-02 22:19:39,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:19:39,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:19:39,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:19:39,572 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:19:39,572 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:19:39,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-12-02 22:19:39,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/data/8c08e3f43/dcf4c452c4c04078b8f4c9de8558227e/FLAG1993fcc94 [2018-12-02 22:19:39,952 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:19:39,953 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-12-02 22:19:39,960 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/data/8c08e3f43/dcf4c452c4c04078b8f4c9de8558227e/FLAG1993fcc94 [2018-12-02 22:19:39,968 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/data/8c08e3f43/dcf4c452c4c04078b8f4c9de8558227e [2018-12-02 22:19:39,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:19:39,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:19:39,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:19:39,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:19:39,974 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:19:39,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:39" (1/1) ... [2018-12-02 22:19:39,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:39, skipping insertion in model container [2018-12-02 22:19:39,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:39" (1/1) ... [2018-12-02 22:19:39,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:19:40,006 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:19:40,180 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:19:40,183 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:19:40,282 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:19:40,295 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:19:40,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40 WrapperNode [2018-12-02 22:19:40,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:19:40,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:19:40,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:19:40,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:19:40,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:19:40,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:19:40,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:19:40,336 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:19:40,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2018-12-02 22:19:40,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:19:40,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:19:40,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:19:40,364 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:19:40,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/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 [2018-12-02 22:19:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:19:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:19:41,374 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:19:41,374 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 22:19:41,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:19:41 BoogieIcfgContainer [2018-12-02 22:19:41,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:19:41,375 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 22:19:41,375 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 22:19:41,382 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 22:19:41,382 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:19:41" (1/1) ... [2018-12-02 22:19:41,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:19:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 22:19:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 22:19:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 22:19:41,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-12-02 22:19:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-12-02 22:19:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 22:19:41,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:19:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-12-02 22:19:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-12-02 22:19:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 22:19:42,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 22:19:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 219 states and 310 transitions. [2018-12-02 22:19:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 310 transitions. [2018-12-02 22:19:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 22:19:42,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 245 states and 341 transitions. [2018-12-02 22:19:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 341 transitions. [2018-12-02 22:19:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 22:19:42,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 249 states and 347 transitions. [2018-12-02 22:19:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2018-12-02 22:19:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 22:19:42,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 22:19:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 282 states and 387 transitions. [2018-12-02 22:19:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 387 transitions. [2018-12-02 22:19:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 22:19:43,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 314 states and 419 transitions. [2018-12-02 22:19:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 419 transitions. [2018-12-02 22:19:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 22:19:43,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 328 states and 434 transitions. [2018-12-02 22:19:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 434 transitions. [2018-12-02 22:19:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 22:19:43,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 22:19:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 342 states and 454 transitions. [2018-12-02 22:19:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 454 transitions. [2018-12-02 22:19:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 22:19:43,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:19:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 345 states and 458 transitions. [2018-12-02 22:19:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 458 transitions. [2018-12-02 22:19:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 22:19:43,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 386 states and 501 transitions. [2018-12-02 22:19:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 501 transitions. [2018-12-02 22:19:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 22:19:44,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 22:19:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 388 states and 504 transitions. [2018-12-02 22:19:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 504 transitions. [2018-12-02 22:19:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 22:19:44,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 395 states and 512 transitions. [2018-12-02 22:19:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 512 transitions. [2018-12-02 22:19:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 22:19:44,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 404 states and 527 transitions. [2018-12-02 22:19:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 527 transitions. [2018-12-02 22:19:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 22:19:44,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 449 states and 580 transitions. [2018-12-02 22:19:45,381 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2018-12-02 22:19:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 22:19:45,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 486 states and 618 transitions. [2018-12-02 22:19:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 618 transitions. [2018-12-02 22:19:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 22:19:45,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 500 states and 638 transitions. [2018-12-02 22:19:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 638 transitions. [2018-12-02 22:19:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 22:19:46,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 22:19:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 509 states and 651 transitions. [2018-12-02 22:19:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 651 transitions. [2018-12-02 22:19:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 22:19:46,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 22:19:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 513 states and 654 transitions. [2018-12-02 22:19:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 654 transitions. [2018-12-02 22:19:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 22:19:46,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 22:19:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 514 states and 655 transitions. [2018-12-02 22:19:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 655 transitions. [2018-12-02 22:19:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 22:19:46,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 22:19:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 557 states and 699 transitions. [2018-12-02 22:19:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 699 transitions. [2018-12-02 22:19:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 22:19:46,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 575 states and 717 transitions. [2018-12-02 22:19:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 717 transitions. [2018-12-02 22:19:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 22:19:46,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 600 states and 744 transitions. [2018-12-02 22:19:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 744 transitions. [2018-12-02 22:19:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 22:19:47,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 665 states and 813 transitions. [2018-12-02 22:19:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 813 transitions. [2018-12-02 22:19:48,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 22:19:48,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 687 states and 838 transitions. [2018-12-02 22:19:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 838 transitions. [2018-12-02 22:19:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 22:19:49,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:50,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 710 states and 867 transitions. [2018-12-02 22:19:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 867 transitions. [2018-12-02 22:19:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 22:19:50,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 721 states and 880 transitions. [2018-12-02 22:19:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 880 transitions. [2018-12-02 22:19:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 22:19:50,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 22:19:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 724 states and 885 transitions. [2018-12-02 22:19:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 885 transitions. [2018-12-02 22:19:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 22:19:51,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:19:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 779 states and 945 transitions. [2018-12-02 22:19:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 945 transitions. [2018-12-02 22:19:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 22:19:54,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 848 states and 1025 transitions. [2018-12-02 22:19:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1025 transitions. [2018-12-02 22:19:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 22:19:56,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 22:19:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 866 states and 1043 transitions. [2018-12-02 22:19:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1043 transitions. [2018-12-02 22:19:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 22:19:56,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 22:19:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 870 states and 1047 transitions. [2018-12-02 22:19:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1047 transitions. [2018-12-02 22:19:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 22:19:56,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 935 states and 1115 transitions. [2018-12-02 22:19:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1115 transitions. [2018-12-02 22:19:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 22:19:58,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:19:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 956 states and 1136 transitions. [2018-12-02 22:19:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1136 transitions. [2018-12-02 22:19:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 22:19:58,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:19:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:19:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:19:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1025 states and 1206 transitions. [2018-12-02 22:19:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1206 transitions. [2018-12-02 22:19:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 22:19:59,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:19:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 22:20:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1036 states and 1221 transitions. [2018-12-02 22:20:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1221 transitions. [2018-12-02 22:20:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 22:20:00,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 22:20:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1038 states and 1224 transitions. [2018-12-02 22:20:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1224 transitions. [2018-12-02 22:20:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 22:20:00,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 22:20:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1105 states and 1293 transitions. [2018-12-02 22:20:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1293 transitions. [2018-12-02 22:20:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 22:20:01,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 22:20:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1144 states and 1343 transitions. [2018-12-02 22:20:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1343 transitions. [2018-12-02 22:20:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 22:20:02,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 22:20:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1147 states and 1347 transitions. [2018-12-02 22:20:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1347 transitions. [2018-12-02 22:20:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 22:20:02,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:20:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1216 states and 1431 transitions. [2018-12-02 22:20:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1431 transitions. [2018-12-02 22:20:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 22:20:07,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:20:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1227 states and 1442 transitions. [2018-12-02 22:20:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1442 transitions. [2018-12-02 22:20:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 22:20:08,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:20:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1252 states and 1469 transitions. [2018-12-02 22:20:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1469 transitions. [2018-12-02 22:20:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 22:20:09,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:20:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1268 states and 1486 transitions. [2018-12-02 22:20:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1486 transitions. [2018-12-02 22:20:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 22:20:10,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 22:20:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1280 states and 1497 transitions. [2018-12-02 22:20:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1497 transitions. [2018-12-02 22:20:10,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 22:20:10,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 22:20:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1313 states and 1533 transitions. [2018-12-02 22:20:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1533 transitions. [2018-12-02 22:20:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 22:20:13,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 22:20:15,419 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-02 22:20:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1338 states and 1560 transitions. [2018-12-02 22:20:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1560 transitions. [2018-12-02 22:20:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 22:20:16,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 22:20:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1358 states and 1580 transitions. [2018-12-02 22:20:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1580 transitions. [2018-12-02 22:20:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 22:20:18,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 22:20:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1361 states and 1586 transitions. [2018-12-02 22:20:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1586 transitions. [2018-12-02 22:20:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 22:20:19,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-02 22:20:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1371 states and 1600 transitions. [2018-12-02 22:20:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1600 transitions. [2018-12-02 22:20:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 22:20:21,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:20:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1440 states and 1680 transitions. [2018-12-02 22:20:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1680 transitions. [2018-12-02 22:20:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 22:20:24,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 22:20:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1442 states and 1684 transitions. [2018-12-02 22:20:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1684 transitions. [2018-12-02 22:20:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 22:20:25,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 22:20:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1446 states and 1690 transitions. [2018-12-02 22:20:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1690 transitions. [2018-12-02 22:20:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 22:20:28,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 22:20:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1516 states and 1764 transitions. [2018-12-02 22:20:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1764 transitions. [2018-12-02 22:20:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 22:20:29,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 22:20:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1517 states and 1764 transitions. [2018-12-02 22:20:29,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1764 transitions. [2018-12-02 22:20:29,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 22:20:29,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 22:20:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1526 states and 1778 transitions. [2018-12-02 22:20:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1778 transitions. [2018-12-02 22:20:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-02 22:20:32,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:20:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1529 states and 1783 transitions. [2018-12-02 22:20:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1783 transitions. [2018-12-02 22:20:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 22:20:32,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 22:20:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1619 states and 1879 transitions. [2018-12-02 22:20:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 1879 transitions. [2018-12-02 22:20:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-02 22:20:35,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 22:20:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1679 states and 1939 transitions. [2018-12-02 22:20:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1939 transitions. [2018-12-02 22:20:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 22:20:39,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 62 proven. 263 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 22:20:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1795 states and 2068 transitions. [2018-12-02 22:20:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2068 transitions. [2018-12-02 22:20:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-02 22:20:46,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 22:20:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1865 states and 2141 transitions. [2018-12-02 22:20:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2141 transitions. [2018-12-02 22:20:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 22:20:49,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:20:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1882 states and 2161 transitions. [2018-12-02 22:20:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2161 transitions. [2018-12-02 22:20:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-02 22:20:52,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:20:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1886 states and 2168 transitions. [2018-12-02 22:20:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2168 transitions. [2018-12-02 22:20:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 22:20:53,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:20:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 22:20:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:20:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1922 states and 2207 transitions. [2018-12-02 22:20:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2207 transitions. [2018-12-02 22:20:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 22:20:58,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:20:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1964 states and 2255 transitions. [2018-12-02 22:21:07,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2255 transitions. [2018-12-02 22:21:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 22:21:07,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:08,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1965 states and 2256 transitions. [2018-12-02 22:21:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2256 transitions. [2018-12-02 22:21:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 22:21:08,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1976 states and 2269 transitions. [2018-12-02 22:21:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2269 transitions. [2018-12-02 22:21:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 22:21:09,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1978 states and 2273 transitions. [2018-12-02 22:21:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2273 transitions. [2018-12-02 22:21:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 22:21:10,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1979 states and 2275 transitions. [2018-12-02 22:21:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2275 transitions. [2018-12-02 22:21:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 22:21:12,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:18,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2030 states and 2327 transitions. [2018-12-02 22:21:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2327 transitions. [2018-12-02 22:21:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 22:21:18,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 22:21:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2052 states and 2348 transitions. [2018-12-02 22:21:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2348 transitions. [2018-12-02 22:21:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 22:21:22,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 22:21:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2054 states and 2349 transitions. [2018-12-02 22:21:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2349 transitions. [2018-12-02 22:21:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 22:21:23,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:21:28,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2072 states and 2373 transitions. [2018-12-02 22:21:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2373 transitions. [2018-12-02 22:21:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 22:21:28,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:21:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2073 states and 2374 transitions. [2018-12-02 22:21:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2374 transitions. [2018-12-02 22:21:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 22:21:29,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:21:31,051 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2018-12-02 22:21:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2075 states and 2376 transitions. [2018-12-02 22:21:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2376 transitions. [2018-12-02 22:21:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 22:21:31,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-02 22:21:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2095 states and 2398 transitions. [2018-12-02 22:21:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2398 transitions. [2018-12-02 22:21:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 22:21:35,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-02 22:21:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2223 states and 2558 transitions. [2018-12-02 22:21:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2558 transitions. [2018-12-02 22:21:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 22:21:42,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 22:21:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2310 states and 2650 transitions. [2018-12-02 22:21:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2650 transitions. [2018-12-02 22:21:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 22:21:45,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 22:21:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2379 states and 2720 transitions. [2018-12-02 22:21:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2720 transitions. [2018-12-02 22:21:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 22:21:47,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:21:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2380 states and 2722 transitions. [2018-12-02 22:21:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2722 transitions. [2018-12-02 22:21:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 22:21:49,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:21:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:21:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:21:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2433 states and 2779 transitions. [2018-12-02 22:21:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2779 transitions. [2018-12-02 22:21:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 22:21:59,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:21:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 22:22:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2440 states and 2785 transitions. [2018-12-02 22:22:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2785 transitions. [2018-12-02 22:22:04,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-02 22:22:04,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 22:22:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2444 states and 2789 transitions. [2018-12-02 22:22:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2789 transitions. [2018-12-02 22:22:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-02 22:22:04,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 22:22:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2445 states and 2791 transitions. [2018-12-02 22:22:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2791 transitions. [2018-12-02 22:22:05,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-02 22:22:05,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 22:22:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:05,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2448 states and 2793 transitions. [2018-12-02 22:22:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2793 transitions. [2018-12-02 22:22:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 22:22:05,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-02 22:22:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2452 states and 2798 transitions. [2018-12-02 22:22:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 2798 transitions. [2018-12-02 22:22:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-02 22:22:06,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-02 22:22:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2579 states and 2934 transitions. [2018-12-02 22:22:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2934 transitions. [2018-12-02 22:22:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 22:22:18,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 15 proven. 370 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-12-02 22:22:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 2644 states and 3015 transitions. [2018-12-02 22:22:21,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3015 transitions. [2018-12-02 22:22:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-12-02 22:22:21,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 22:22:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2645 states and 3018 transitions. [2018-12-02 22:22:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3018 transitions. [2018-12-02 22:22:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-12-02 22:22:21,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 22:22:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2646 states and 3022 transitions. [2018-12-02 22:22:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3022 transitions. [2018-12-02 22:22:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-02 22:22:21,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 542 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-12-02 22:22:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2694 states and 3069 transitions. [2018-12-02 22:22:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3069 transitions. [2018-12-02 22:22:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-12-02 22:22:31,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2018-12-02 22:22:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2698 states and 3076 transitions. [2018-12-02 22:22:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3076 transitions. [2018-12-02 22:22:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-02 22:22:32,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 22:22:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2787 states and 3171 transitions. [2018-12-02 22:22:45,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3171 transitions. [2018-12-02 22:22:45,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-02 22:22:45,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 15 proven. 501 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-12-02 22:22:48,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2807 states and 3192 transitions. [2018-12-02 22:22:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3192 transitions. [2018-12-02 22:22:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 22:22:48,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 15 proven. 632 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2018-12-02 22:22:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 2876 states and 3262 transitions. [2018-12-02 22:22:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3262 transitions. [2018-12-02 22:22:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-02 22:22:53,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:22:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:22:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 15 proven. 632 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2018-12-02 22:22:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:22:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2593 states and 2960 transitions. [2018-12-02 22:22:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 2960 transitions. [2018-12-02 22:22:56,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:22:56,935 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 97 iterations. [2018-12-02 22:22:56,941 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 22:22:57,081 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 38 [2018-12-02 22:22:57,189 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2018-12-02 22:22:57,379 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 50 [2018-12-02 22:22:57,490 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 38 [2018-12-02 22:22:57,660 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 48 [2018-12-02 22:22:57,872 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 47 [2018-12-02 22:22:58,030 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-02 22:22:58,194 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-12-02 22:22:58,381 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2018-12-02 22:22:58,620 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-12-02 22:22:58,791 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 47 [2018-12-02 22:22:58,967 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-02 22:22:59,211 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-12-02 22:22:59,440 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 51 [2018-12-02 22:22:59,728 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 47 [2018-12-02 22:23:00,016 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 50 [2018-12-02 22:23:00,140 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 38 [2018-12-02 22:23:00,328 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 48 [2018-12-02 22:23:00,511 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 47 [2018-12-02 22:23:00,740 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-12-02 22:23:00,863 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2018-12-02 22:23:01,153 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 38 [2018-12-02 22:23:01,720 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 47 [2018-12-02 22:23:01,966 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-02 22:23:02,135 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 35 [2018-12-02 22:23:02,328 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 47 [2018-12-02 22:23:02,581 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 47 [2018-12-02 22:23:02,789 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 47 [2018-12-02 22:23:03,114 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 46 [2018-12-02 22:23:03,270 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 36 [2018-12-02 22:23:03,444 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-12-02 22:23:03,654 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 38 [2018-12-02 22:23:03,832 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 38 [2018-12-02 22:23:04,092 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 51 [2018-12-02 22:23:04,491 WARN L180 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2018-12-02 22:23:04,722 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2018-12-02 22:23:04,848 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-12-02 22:23:05,025 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 48 [2018-12-02 22:23:05,272 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 48 [2018-12-02 22:23:05,470 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2018-12-02 22:23:05,628 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 47 [2018-12-02 22:23:05,783 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-02 22:23:05,783 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 22:23:05,785 INFO L583 CodeCheckObserver]: Invariant with dag size 36 [2018-12-02 22:23:05,791 INFO L583 CodeCheckObserver]: Invariant with dag size 36 [2018-12-02 22:23:05,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:23:05 ImpRootNode [2018-12-02 22:23:05,792 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 22:23:05,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:23:05,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:23:05,792 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:23:05,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:19:41" (3/4) ... [2018-12-02 22:23:05,795 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:23:05,805 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-12-02 22:23:05,805 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 22:23:05,806 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 22:23:05,866 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9f30cba-ffad-4ab9-8af6-80fa38869808/bin-2019/ukojak/witness.graphml [2018-12-02 22:23:05,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:23:05,866 INFO L168 Benchmark]: Toolchain (without parser) took 205895.72 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 716.7 MB). Free memory was 945.3 MB in the beginning and 995.6 MB in the end (delta: -50.3 MB). Peak memory consumption was 666.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,867 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:23:05,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,867 INFO L168 Benchmark]: Boogie Preprocessor took 27.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,867 INFO L168 Benchmark]: RCFGBuilder took 1010.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 886.5 MB in the end (delta: 202.0 MB). Peak memory consumption was 202.0 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,867 INFO L168 Benchmark]: CodeCheck took 204417.00 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 605.6 MB). Free memory was 886.5 MB in the beginning and 1.0 GB in the end (delta: -126.2 MB). Peak memory consumption was 850.8 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,868 INFO L168 Benchmark]: Witness Printer took 74.04 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 995.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-02 22:23:05,869 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, 198 locations, 1 error locations. SAFE Result, 195.5s OverallTime, 97 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 717757548 SDtfs, -1167967046 SDslu, 343651234 SDs, 0 SdLazy, 1676379664 SolverSat, -457158112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 371.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135136 GetRequests, 129567 SyntacticMatches, 4223 SemanticMatches, 1346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1500184 ImplicationChecksByTransitivity, 173.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 23.8s InterpolantComputationTime, 20667 NumberOfCodeBlocks, 20667 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 20571 ConstructedInterpolants, 0 QuantifiedInterpolants, 34387350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 96 InterpolantComputations, 75 PerfectInterpolantSequences, 26875/29687 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: 473]: 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: (((((a16 == 5 || a20 == 1) || a8 == 15) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || (((((!(a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((a16 == 5 || a20 == 1) || (((((!(a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || a8 == 15) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1010.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 886.5 MB in the end (delta: 202.0 MB). Peak memory consumption was 202.0 MB. Max. memory is 11.5 GB. * CodeCheck took 204417.00 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 605.6 MB). Free memory was 886.5 MB in the beginning and 1.0 GB in the end (delta: -126.2 MB). Peak memory consumption was 850.8 MB. Max. memory is 11.5 GB. * Witness Printer took 74.04 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 995.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...