./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:42:30,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:42:30,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:42:30,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:42:30,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:42:30,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:42:30,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:42:30,548 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:42:30,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:42:30,550 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:42:30,551 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:42:30,551 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:42:30,552 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:42:30,553 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:42:30,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:42:30,554 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:42:30,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:42:30,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:42:30,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:42:30,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:42:30,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:42:30,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:42:30,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:42:30,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:42:30,565 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:42:30,566 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:42:30,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:42:30,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:42:30,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:42:30,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:42:30,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:42:30,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:42:30,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:42:30,571 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:42:30,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:42:30,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:42:30,574 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:42:30,586 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:42:30,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:42:30,588 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:42:30,588 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:42:30,588 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:42:30,589 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:42:30,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:42:30,589 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:42:30,589 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:42:30,590 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:42:30,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:42:30,590 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:42:30,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:42:30,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:42:30,591 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:42:30,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:42:30,591 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:42:30,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:42:30,591 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:42:30,591 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:42:30,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:42:30,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:42:30,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:42:30,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:42:30,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:42:30,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:42:30,593 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:42:30,593 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:42:30,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:42:30,594 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_496609bc-7df3-441c-93ef-8a7e2f98f6a6/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-11-18 18:42:30,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:42:30,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:42:30,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:42:30,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:42:30,640 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:42:30,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-18 18:42:30,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/data/a16091f3f/abb4769fc56e4ae9a9fa36f28d5173fb/FLAGb9256e67b [2018-11-18 18:42:31,167 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:42:31,168 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-18 18:42:31,179 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/data/a16091f3f/abb4769fc56e4ae9a9fa36f28d5173fb/FLAGb9256e67b [2018-11-18 18:42:31,666 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/data/a16091f3f/abb4769fc56e4ae9a9fa36f28d5173fb [2018-11-18 18:42:31,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:42:31,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:42:31,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:42:31,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:42:31,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:42:31,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:31" (1/1) ... [2018-11-18 18:42:31,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:31, skipping insertion in model container [2018-11-18 18:42:31,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:31" (1/1) ... [2018-11-18 18:42:31,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:42:31,732 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:42:32,010 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:42:32,015 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:42:32,097 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:42:32,114 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:42:32,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32 WrapperNode [2018-11-18 18:42:32,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:42:32,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:42:32,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:42:32,116 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:42:32,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:42:32,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:42:32,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:42:32,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:42:32,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... [2018-11-18 18:42:32,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:42:32,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:42:32,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:42:32,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:42:32,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:42:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:42:32,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:42:32,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:42:34,149 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:42:34,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:34 BoogieIcfgContainer [2018-11-18 18:42:34,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:42:34,150 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:42:34,150 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:42:34,159 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:42:34,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:34" (1/1) ... [2018-11-18 18:42:34,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:42:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 18:42:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 18:42:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 18:42:34,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:34,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 18:42:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 18:42:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 18:42:35,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:35,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:42:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 245 states and 328 transitions. [2018-11-18 18:42:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 328 transitions. [2018-11-18 18:42:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 18:42:35,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:42:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 246 states and 329 transitions. [2018-11-18 18:42:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 329 transitions. [2018-11-18 18:42:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 18:42:35,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:42:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 248 states and 332 transitions. [2018-11-18 18:42:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2018-11-18 18:42:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 18:42:36,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-11-18 18:42:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-11-18 18:42:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 18:42:36,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 288 states and 387 transitions. [2018-11-18 18:42:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 387 transitions. [2018-11-18 18:42:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 18:42:36,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 307 states and 416 transitions. [2018-11-18 18:42:37,201 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2018-11-18 18:42:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 18:42:37,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:37,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 312 states and 424 transitions. [2018-11-18 18:42:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2018-11-18 18:42:37,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 18:42:37,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 316 states and 428 transitions. [2018-11-18 18:42:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 428 transitions. [2018-11-18 18:42:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 18:42:37,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:42:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-11-18 18:42:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-11-18 18:42:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 18:42:37,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:42:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 335 states and 451 transitions. [2018-11-18 18:42:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 451 transitions. [2018-11-18 18:42:38,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:42:38,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:42:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 336 states and 453 transitions. [2018-11-18 18:42:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 453 transitions. [2018-11-18 18:42:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:42:38,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:42:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 340 states and 458 transitions. [2018-11-18 18:42:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 458 transitions. [2018-11-18 18:42:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:42:38,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:42:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-11-18 18:42:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-11-18 18:42:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 18:42:38,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 383 states and 515 transitions. [2018-11-18 18:42:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 515 transitions. [2018-11-18 18:42:39,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 18:42:39,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:42:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2018-11-18 18:42:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2018-11-18 18:42:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 18:42:39,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:42:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 402 states and 537 transitions. [2018-11-18 18:42:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2018-11-18 18:42:39,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 18:42:39,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 433 states and 574 transitions. [2018-11-18 18:42:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 574 transitions. [2018-11-18 18:42:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 18:42:41,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 437 states and 579 transitions. [2018-11-18 18:42:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 579 transitions. [2018-11-18 18:42:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 18:42:41,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 454 states and 598 transitions. [2018-11-18 18:42:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 598 transitions. [2018-11-18 18:42:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 18:42:41,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:42,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 473 states and 620 transitions. [2018-11-18 18:42:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 620 transitions. [2018-11-18 18:42:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 18:42:42,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:42,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 474 states and 622 transitions. [2018-11-18 18:42:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 622 transitions. [2018-11-18 18:42:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 18:42:42,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:42:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 478 states and 625 transitions. [2018-11-18 18:42:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 625 transitions. [2018-11-18 18:42:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:42:42,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:42:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 506 states and 653 transitions. [2018-11-18 18:42:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 653 transitions. [2018-11-18 18:42:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:42:42,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:42:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 511 states and 657 transitions. [2018-11-18 18:42:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 657 transitions. [2018-11-18 18:42:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:42:42,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 525 states and 672 transitions. [2018-11-18 18:42:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 672 transitions. [2018-11-18 18:42:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 18:42:43,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 537 states and 683 transitions. [2018-11-18 18:42:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 683 transitions. [2018-11-18 18:42:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 18:42:43,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 556 states and 702 transitions. [2018-11-18 18:42:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 702 transitions. [2018-11-18 18:42:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 18:42:43,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 598 states and 756 transitions. [2018-11-18 18:42:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 756 transitions. [2018-11-18 18:42:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 18:42:45,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 613 states and 770 transitions. [2018-11-18 18:42:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 770 transitions. [2018-11-18 18:42:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 18:42:46,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 625 states and 781 transitions. [2018-11-18 18:42:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 781 transitions. [2018-11-18 18:42:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 18:42:46,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 627 states and 783 transitions. [2018-11-18 18:42:46,681 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 783 transitions. [2018-11-18 18:42:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 18:42:46,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:42:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 628 states and 784 transitions. [2018-11-18 18:42:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 784 transitions. [2018-11-18 18:42:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 18:42:46,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 633 states and 791 transitions. [2018-11-18 18:42:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 791 transitions. [2018-11-18 18:42:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 18:42:47,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 634 states and 792 transitions. [2018-11-18 18:42:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 792 transitions. [2018-11-18 18:42:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 18:42:47,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 18:42:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 636 states and 793 transitions. [2018-11-18 18:42:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2018-11-18 18:42:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 18:42:47,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 18:42:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 650 states and 807 transitions. [2018-11-18 18:42:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 807 transitions. [2018-11-18 18:42:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 18:42:47,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 669 states and 829 transitions. [2018-11-18 18:42:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-18 18:42:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 18:42:47,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 670 states and 830 transitions. [2018-11-18 18:42:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 830 transitions. [2018-11-18 18:42:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 18:42:48,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 673 states and 833 transitions. [2018-11-18 18:42:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 833 transitions. [2018-11-18 18:42:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 18:42:48,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 684 states and 844 transitions. [2018-11-18 18:42:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 844 transitions. [2018-11-18 18:42:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 18:42:48,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 697 states and 858 transitions. [2018-11-18 18:42:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 858 transitions. [2018-11-18 18:42:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 18:42:49,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 18:42:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 701 states and 862 transitions. [2018-11-18 18:42:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 862 transitions. [2018-11-18 18:42:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 18:42:49,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 725 states and 887 transitions. [2018-11-18 18:42:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 887 transitions. [2018-11-18 18:42:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 18:42:49,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 742 states and 907 transitions. [2018-11-18 18:42:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 907 transitions. [2018-11-18 18:42:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 18:42:50,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 754 states and 918 transitions. [2018-11-18 18:42:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 918 transitions. [2018-11-18 18:42:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 18:42:51,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 776 states and 941 transitions. [2018-11-18 18:42:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 941 transitions. [2018-11-18 18:42:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 18:42:51,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 804 states and 969 transitions. [2018-11-18 18:42:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 969 transitions. [2018-11-18 18:42:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 18:42:51,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 808 states and 973 transitions. [2018-11-18 18:42:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 973 transitions. [2018-11-18 18:42:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 18:42:51,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 818 states and 984 transitions. [2018-11-18 18:42:52,198 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 984 transitions. [2018-11-18 18:42:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 18:42:52,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 18:42:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 836 states and 1004 transitions. [2018-11-18 18:42:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1004 transitions. [2018-11-18 18:42:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 18:42:52,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 848 states and 1019 transitions. [2018-11-18 18:42:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1019 transitions. [2018-11-18 18:42:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 18:42:53,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 18:42:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 849 states and 1020 transitions. [2018-11-18 18:42:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1020 transitions. [2018-11-18 18:42:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 18:42:53,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 18:42:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 850 states and 1020 transitions. [2018-11-18 18:42:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1020 transitions. [2018-11-18 18:42:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 18:42:53,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:53,498 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 854 states and 1025 transitions. [2018-11-18 18:42:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1025 transitions. [2018-11-18 18:42:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 18:42:53,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 188 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 867 states and 1045 transitions. [2018-11-18 18:42:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1045 transitions. [2018-11-18 18:42:55,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 18:42:55,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:42:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 939 states and 1125 transitions. [2018-11-18 18:42:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1125 transitions. [2018-11-18 18:42:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 18:42:56,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:42:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 940 states and 1125 transitions. [2018-11-18 18:42:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1125 transitions. [2018-11-18 18:42:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 18:42:56,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 18:42:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 941 states and 1125 transitions. [2018-11-18 18:42:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1125 transitions. [2018-11-18 18:42:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 18:42:56,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 942 states and 1125 transitions. [2018-11-18 18:42:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1125 transitions. [2018-11-18 18:42:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 18:42:57,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 18:42:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 967 states and 1150 transitions. [2018-11-18 18:42:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1150 transitions. [2018-11-18 18:42:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 18:42:57,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 18:42:57,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 973 states and 1156 transitions. [2018-11-18 18:42:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1156 transitions. [2018-11-18 18:42:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 18:42:57,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 18:42:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 974 states and 1156 transitions. [2018-11-18 18:42:58,137 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1156 transitions. [2018-11-18 18:42:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 18:42:58,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:42:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1050 states and 1238 transitions. [2018-11-18 18:42:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1238 transitions. [2018-11-18 18:42:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 18:42:59,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 18:42:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:42:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1053 states and 1241 transitions. [2018-11-18 18:42:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1241 transitions. [2018-11-18 18:42:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 18:42:59,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:42:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:42:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:43:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1086 states and 1278 transitions. [2018-11-18 18:43:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1278 transitions. [2018-11-18 18:43:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 18:43:00,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 18:43:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1087 states and 1278 transitions. [2018-11-18 18:43:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1278 transitions. [2018-11-18 18:43:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 18:43:00,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 18:43:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1098 states and 1291 transitions. [2018-11-18 18:43:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1291 transitions. [2018-11-18 18:43:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 18:43:01,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 18:43:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1105 states and 1301 transitions. [2018-11-18 18:43:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1301 transitions. [2018-11-18 18:43:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 18:43:02,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 18:43:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1121 states and 1318 transitions. [2018-11-18 18:43:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1318 transitions. [2018-11-18 18:43:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 18:43:02,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 18:43:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1145 states and 1346 transitions. [2018-11-18 18:43:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1346 transitions. [2018-11-18 18:43:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 18:43:03,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 18:43:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1146 states and 1346 transitions. [2018-11-18 18:43:04,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1346 transitions. [2018-11-18 18:43:04,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 18:43:04,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 18:43:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1180 states and 1385 transitions. [2018-11-18 18:43:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1385 transitions. [2018-11-18 18:43:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 18:43:05,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 18:43:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1181 states and 1387 transitions. [2018-11-18 18:43:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1387 transitions. [2018-11-18 18:43:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 18:43:05,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 18:43:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1185 states and 1391 transitions. [2018-11-18 18:43:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1391 transitions. [2018-11-18 18:43:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 18:43:05,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:43:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1189 states and 1397 transitions. [2018-11-18 18:43:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1397 transitions. [2018-11-18 18:43:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 18:43:06,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:43:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1206 states and 1414 transitions. [2018-11-18 18:43:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1414 transitions. [2018-11-18 18:43:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 18:43:06,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:43:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1207 states and 1414 transitions. [2018-11-18 18:43:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1414 transitions. [2018-11-18 18:43:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-18 18:43:06,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 18:43:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1245 states and 1454 transitions. [2018-11-18 18:43:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1454 transitions. [2018-11-18 18:43:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 18:43:06,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 18:43:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1309 states and 1524 transitions. [2018-11-18 18:43:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1524 transitions. [2018-11-18 18:43:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 18:43:09,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 18:43:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1313 states and 1528 transitions. [2018-11-18 18:43:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1528 transitions. [2018-11-18 18:43:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 18:43:10,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 18:43:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1316 states and 1530 transitions. [2018-11-18 18:43:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1530 transitions. [2018-11-18 18:43:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 18:43:10,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 18:43:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1439 states and 1672 transitions. [2018-11-18 18:43:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1672 transitions. [2018-11-18 18:43:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 18:43:15,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 18:43:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1443 states and 1676 transitions. [2018-11-18 18:43:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1676 transitions. [2018-11-18 18:43:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 18:43:16,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 18:43:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1448 states and 1680 transitions. [2018-11-18 18:43:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1680 transitions. [2018-11-18 18:43:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 18:43:16,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:43:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1475 states and 1707 transitions. [2018-11-18 18:43:17,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1707 transitions. [2018-11-18 18:43:17,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 18:43:17,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 18:43:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1499 states and 1731 transitions. [2018-11-18 18:43:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1731 transitions. [2018-11-18 18:43:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 18:43:17,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 18:43:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1518 states and 1749 transitions. [2018-11-18 18:43:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1749 transitions. [2018-11-18 18:43:17,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 18:43:17,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:43:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1532 states and 1763 transitions. [2018-11-18 18:43:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1763 transitions. [2018-11-18 18:43:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 18:43:18,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 18:43:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1549 states and 1783 transitions. [2018-11-18 18:43:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1783 transitions. [2018-11-18 18:43:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 18:43:18,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:43:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:43:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 18:43:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:43:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1385 states and 1596 transitions. [2018-11-18 18:43:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1596 transitions. [2018-11-18 18:43:19,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:43:19,154 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-11-18 18:43:19,162 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:43:22,838 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:43:22,841 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 18:43:22,849 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 18:43:22,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:43:22 ImpRootNode [2018-11-18 18:43:22,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:43:22,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:43:22,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:43:22,851 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:43:22,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:34" (3/4) ... [2018-11-18 18:43:22,855 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:43:22,876 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 18:43:22,877 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 18:43:22,878 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 18:43:22,879 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 18:43:23,005 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_496609bc-7df3-441c-93ef-8a7e2f98f6a6/bin-2019/ukojak/witness.graphml [2018-11-18 18:43:23,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:43:23,006 INFO L168 Benchmark]: Toolchain (without parser) took 51336.72 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 956.4 MB in the beginning and 1.8 GB in the end (delta: -829.2 MB). Peak memory consumption was 592.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:23,007 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:43:23,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:23,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:23,008 INFO L168 Benchmark]: Boogie Preprocessor took 54.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:23,009 INFO L168 Benchmark]: RCFGBuilder took 1846.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.5 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:43:23,009 INFO L168 Benchmark]: CodeCheck took 48700.45 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 908.5 MB in the beginning and 1.8 GB in the end (delta: -877.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 18:43:23,009 INFO L168 Benchmark]: Witness Printer took 154.63 ms. Allocated memory is still 2.5 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 18:43:23,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 44.9s OverallTime, 92 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 718542864 SDtfs, 1639284828 SDslu, -1175094144 SDs, 0 SdLazy, -1295971966 SolverSat, 1737667118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 222.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104359 GetRequests, 102888 SyntacticMatches, 875 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265349 ImplicationChecksByTransitivity, 33.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 16626 NumberOfCodeBlocks, 16626 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 16535 ConstructedInterpolants, 0 QuantifiedInterpolants, 7632827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 72 PerfectInterpolantSequences, 16035/16326 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: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 444.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1846.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.5 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. * CodeCheck took 48700.45 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 908.5 MB in the beginning and 1.8 GB in the end (delta: -877.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 154.63 ms. Allocated memory is still 2.5 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...