./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:51:26,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:51:26,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:51:26,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:51:26,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:51:26,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:51:26,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:51:26,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:51:26,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:51:26,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:51:26,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:51:26,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:51:26,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:51:26,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:51:26,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:51:26,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:51:26,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:51:26,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:51:26,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:51:26,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:51:26,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:51:26,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:51:26,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:51:26,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:51:26,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:51:26,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:51:26,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:51:26,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:51:26,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:51:26,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:51:26,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:51:26,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:51:26,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:51:26,548 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:51:26,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:51:26,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:51:26,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:51:26,559 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:51:26,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:51:26,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:51:26,560 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:51:26,560 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:51:26,560 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:51:26,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:51:26,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:51:26,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:51:26,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:51:26,562 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:51:26,562 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:51:26,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:51:26,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:51:26,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:51:26,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:51:26,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:51:26,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:51:26,563 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:51:26,563 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:51:26,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:51:26,563 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_d2754525-fb63-4ec5-bec9-5004e7ad1b69/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2018-11-10 10:51:26,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:51:26,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:51:26,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:51:26,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:51:26,599 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:51:26,599 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-11-10 10:51:26,635 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/data/a6034079d/0d0c38325d77408983cd0b024ce7f4aa/FLAG88808c8e4 [2018-11-10 10:51:27,091 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:51:27,091 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-11-10 10:51:27,100 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/data/a6034079d/0d0c38325d77408983cd0b024ce7f4aa/FLAG88808c8e4 [2018-11-10 10:51:27,111 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/data/a6034079d/0d0c38325d77408983cd0b024ce7f4aa [2018-11-10 10:51:27,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:51:27,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:51:27,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:51:27,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:51:27,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:51:27,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18da3d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27, skipping insertion in model container [2018-11-10 10:51:27,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:51:27,160 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:51:27,387 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:51:27,391 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:51:27,455 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:51:27,465 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:51:27,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27 WrapperNode [2018-11-10 10:51:27,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:51:27,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:51:27,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:51:27,466 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:51:27,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:51:27,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:51:27,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:51:27,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:51:27,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... [2018-11-10 10:51:27,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:51:27,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:51:27,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:51:27,598 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:51:27,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:51:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:51:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:51:27,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:51:27,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:51:29,173 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:51:29,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:51:29 BoogieIcfgContainer [2018-11-10 10:51:29,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:51:29,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:51:29,175 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:51:29,184 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:51:29,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:51:29" (1/1) ... [2018-11-10 10:51:29,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:51:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 10:51:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 10:51:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 10:51:29,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-10 10:51:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-10 10:51:29,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:51:29,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 245 states and 337 transitions. [2018-11-10 10:51:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 337 transitions. [2018-11-10 10:51:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 10:51:30,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:51:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-11-10 10:51:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-11-10 10:51:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 10:51:30,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 264 states and 365 transitions. [2018-11-10 10:51:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2018-11-10 10:51:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 10:51:30,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:30,908 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:31,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 283 states and 391 transitions. [2018-11-10 10:51:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 391 transitions. [2018-11-10 10:51:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:51:31,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 287 states and 395 transitions. [2018-11-10 10:51:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 395 transitions. [2018-11-10 10:51:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:51:31,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:51:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 367 states and 478 transitions. [2018-11-10 10:51:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 478 transitions. [2018-11-10 10:51:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 10:51:31,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:51:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 369 states and 481 transitions. [2018-11-10 10:51:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 481 transitions. [2018-11-10 10:51:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 10:51:31,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 422 states and 540 transitions. [2018-11-10 10:51:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 540 transitions. [2018-11-10 10:51:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 10:51:32,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:51:32,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 461 states and 582 transitions. [2018-11-10 10:51:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 582 transitions. [2018-11-10 10:51:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 10:51:32,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:33,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 481 states and 608 transitions. [2018-11-10 10:51:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 608 transitions. [2018-11-10 10:51:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 10:51:33,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:33,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 483 states and 610 transitions. [2018-11-10 10:51:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 610 transitions. [2018-11-10 10:51:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:51:33,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 504 states and 640 transitions. [2018-11-10 10:51:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 640 transitions. [2018-11-10 10:51:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:51:33,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 518 states and 655 transitions. [2018-11-10 10:51:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 655 transitions. [2018-11-10 10:51:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:51:33,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 10:51:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 537 states and 679 transitions. [2018-11-10 10:51:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 679 transitions. [2018-11-10 10:51:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:51:34,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 10:51:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 541 states and 683 transitions. [2018-11-10 10:51:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 683 transitions. [2018-11-10 10:51:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 10:51:34,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 545 states and 687 transitions. [2018-11-10 10:51:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 687 transitions. [2018-11-10 10:51:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:51:34,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 10:51:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 564 states and 708 transitions. [2018-11-10 10:51:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 708 transitions. [2018-11-10 10:51:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:51:34,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 565 states and 709 transitions. [2018-11-10 10:51:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 709 transitions. [2018-11-10 10:51:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 10:51:34,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 10:51:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 567 states and 712 transitions. [2018-11-10 10:51:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 712 transitions. [2018-11-10 10:51:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 10:51:34,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 10:51:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 581 states and 726 transitions. [2018-11-10 10:51:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 726 transitions. [2018-11-10 10:51:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 10:51:35,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-10 10:51:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 600 states and 749 transitions. [2018-11-10 10:51:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 749 transitions. [2018-11-10 10:51:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 10:51:35,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 631 states and 788 transitions. [2018-11-10 10:51:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 788 transitions. [2018-11-10 10:51:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:51:36,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 644 states and 804 transitions. [2018-11-10 10:51:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 804 transitions. [2018-11-10 10:51:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:51:36,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 662 states and 824 transitions. [2018-11-10 10:51:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 824 transitions. [2018-11-10 10:51:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:51:37,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 666 states and 828 transitions. [2018-11-10 10:51:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 828 transitions. [2018-11-10 10:51:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:51:37,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:51:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 676 states and 842 transitions. [2018-11-10 10:51:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 842 transitions. [2018-11-10 10:51:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 10:51:38,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 689 states and 856 transitions. [2018-11-10 10:51:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 856 transitions. [2018-11-10 10:51:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 10:51:38,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 707 states and 877 transitions. [2018-11-10 10:51:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 877 transitions. [2018-11-10 10:51:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 10:51:39,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:39,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 710 states and 880 transitions. [2018-11-10 10:51:39,356 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 880 transitions. [2018-11-10 10:51:39,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 10:51:39,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:51:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 726 states and 896 transitions. [2018-11-10 10:51:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 896 transitions. [2018-11-10 10:51:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-10 10:51:39,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 10:51:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 729 states and 898 transitions. [2018-11-10 10:51:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 898 transitions. [2018-11-10 10:51:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-10 10:51:39,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-10 10:51:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 730 states and 899 transitions. [2018-11-10 10:51:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 899 transitions. [2018-11-10 10:51:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 10:51:39,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 732 states and 902 transitions. [2018-11-10 10:51:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 902 transitions. [2018-11-10 10:51:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 10:51:40,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-10 10:51:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 736 states and 905 transitions. [2018-11-10 10:51:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 905 transitions. [2018-11-10 10:51:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:51:40,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 10:51:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 737 states and 908 transitions. [2018-11-10 10:51:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 908 transitions. [2018-11-10 10:51:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 10:51:40,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 10:51:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 738 states and 909 transitions. [2018-11-10 10:51:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 909 transitions. [2018-11-10 10:51:40,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 10:51:40,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:41,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 752 states and 925 transitions. [2018-11-10 10:51:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 925 transitions. [2018-11-10 10:51:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-10 10:51:41,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 782 states and 956 transitions. [2018-11-10 10:51:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 956 transitions. [2018-11-10 10:51:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-10 10:51:41,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 786 states and 960 transitions. [2018-11-10 10:51:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 960 transitions. [2018-11-10 10:51:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:51:41,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 818 states and 1001 transitions. [2018-11-10 10:51:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1001 transitions. [2018-11-10 10:51:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 10:51:42,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 820 states and 1005 transitions. [2018-11-10 10:51:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1005 transitions. [2018-11-10 10:51:43,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-10 10:51:43,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 842 states and 1026 transitions. [2018-11-10 10:51:43,281 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1026 transitions. [2018-11-10 10:51:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-10 10:51:43,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 844 states and 1028 transitions. [2018-11-10 10:51:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1028 transitions. [2018-11-10 10:51:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 10:51:43,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 10:51:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 848 states and 1032 transitions. [2018-11-10 10:51:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1032 transitions. [2018-11-10 10:51:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 10:51:43,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 10:51:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 850 states and 1034 transitions. [2018-11-10 10:51:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1034 transitions. [2018-11-10 10:51:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 10:51:43,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 903 states and 1095 transitions. [2018-11-10 10:51:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1095 transitions. [2018-11-10 10:51:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-10 10:51:44,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:44,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 932 states and 1124 transitions. [2018-11-10 10:51:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1124 transitions. [2018-11-10 10:51:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-10 10:51:44,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:51:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 971 states and 1170 transitions. [2018-11-10 10:51:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1170 transitions. [2018-11-10 10:51:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-10 10:51:46,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 10:51:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 981 states and 1180 transitions. [2018-11-10 10:51:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1180 transitions. [2018-11-10 10:51:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-10 10:51:46,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 10:51:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1000 states and 1204 transitions. [2018-11-10 10:51:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1204 transitions. [2018-11-10 10:51:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 10:51:47,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 10:51:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1001 states and 1205 transitions. [2018-11-10 10:51:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1205 transitions. [2018-11-10 10:51:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 10:51:47,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1014 states and 1219 transitions. [2018-11-10 10:51:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1219 transitions. [2018-11-10 10:51:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 10:51:47,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:51:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1018 states and 1223 transitions. [2018-11-10 10:51:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1223 transitions. [2018-11-10 10:51:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-10 10:51:48,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:51:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1098 states and 1315 transitions. [2018-11-10 10:51:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1315 transitions. [2018-11-10 10:51:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 10:51:49,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:51:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1143 states and 1363 transitions. [2018-11-10 10:51:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1363 transitions. [2018-11-10 10:51:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-10 10:51:51,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1145 states and 1365 transitions. [2018-11-10 10:51:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1365 transitions. [2018-11-10 10:51:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 10:51:51,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 10:51:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1194 states and 1416 transitions. [2018-11-10 10:51:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1416 transitions. [2018-11-10 10:51:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 10:51:53,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 10:51:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1198 states and 1420 transitions. [2018-11-10 10:51:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1420 transitions. [2018-11-10 10:51:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 10:51:53,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:51:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1270 states and 1497 transitions. [2018-11-10 10:51:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1497 transitions. [2018-11-10 10:51:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-10 10:51:54,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 10:51:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1272 states and 1499 transitions. [2018-11-10 10:51:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1499 transitions. [2018-11-10 10:51:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-10 10:51:54,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 10:51:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1326 states and 1553 transitions. [2018-11-10 10:51:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1553 transitions. [2018-11-10 10:51:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 10:51:55,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:51:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1403 states and 1637 transitions. [2018-11-10 10:51:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1637 transitions. [2018-11-10 10:51:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 10:51:57,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1407 states and 1641 transitions. [2018-11-10 10:51:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1641 transitions. [2018-11-10 10:51:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-10 10:51:57,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1427 states and 1664 transitions. [2018-11-10 10:51:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1664 transitions. [2018-11-10 10:51:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 10:51:57,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-10 10:51:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1460 states and 1704 transitions. [2018-11-10 10:51:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1704 transitions. [2018-11-10 10:51:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 10:51:58,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-10 10:51:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1461 states and 1705 transitions. [2018-11-10 10:51:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1705 transitions. [2018-11-10 10:51:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 10:51:59,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 10:51:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:59,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1463 states and 1708 transitions. [2018-11-10 10:51:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1708 transitions. [2018-11-10 10:51:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 10:51:59,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:51:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1467 states and 1713 transitions. [2018-11-10 10:51:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1713 transitions. [2018-11-10 10:51:59,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-10 10:51:59,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 10:52:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1517 states and 1766 transitions. [2018-11-10 10:52:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1766 transitions. [2018-11-10 10:52:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 10:52:01,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 231 proven. 11 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:52:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1533 states and 1785 transitions. [2018-11-10 10:52:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1785 transitions. [2018-11-10 10:52:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-10 10:52:02,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 10:52:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1541 states and 1793 transitions. [2018-11-10 10:52:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1793 transitions. [2018-11-10 10:52:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-10 10:52:03,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 10:52:03,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1542 states and 1793 transitions. [2018-11-10 10:52:03,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1793 transitions. [2018-11-10 10:52:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-10 10:52:03,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-10 10:52:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1548 states and 1798 transitions. [2018-11-10 10:52:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1798 transitions. [2018-11-10 10:52:03,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 10:52:03,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 10:52:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1563 states and 1816 transitions. [2018-11-10 10:52:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1816 transitions. [2018-11-10 10:52:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 10:52:04,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 10:52:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1566 states and 1820 transitions. [2018-11-10 10:52:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1820 transitions. [2018-11-10 10:52:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-10 10:52:05,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 10:52:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1571 states and 1826 transitions. [2018-11-10 10:52:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1826 transitions. [2018-11-10 10:52:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-10 10:52:06,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1624 states and 1890 transitions. [2018-11-10 10:52:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1890 transitions. [2018-11-10 10:52:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-10 10:52:09,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1626 states and 1892 transitions. [2018-11-10 10:52:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1892 transitions. [2018-11-10 10:52:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 10:52:09,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-11-10 10:52:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1627 states and 1892 transitions. [2018-11-10 10:52:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1892 transitions. [2018-11-10 10:52:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 10:52:10,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 10:52:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1632 states and 1900 transitions. [2018-11-10 10:52:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1900 transitions. [2018-11-10 10:52:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 10:52:10,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 10:52:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1633 states and 1901 transitions. [2018-11-10 10:52:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 1901 transitions. [2018-11-10 10:52:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 10:52:10,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1649 states and 1923 transitions. [2018-11-10 10:52:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1923 transitions. [2018-11-10 10:52:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 10:52:12,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:12,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1653 states and 1926 transitions. [2018-11-10 10:52:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1926 transitions. [2018-11-10 10:52:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-10 10:52:12,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 10:52:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1707 states and 1985 transitions. [2018-11-10 10:52:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1985 transitions. [2018-11-10 10:52:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-10 10:52:16,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 10:52:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1709 states and 1986 transitions. [2018-11-10 10:52:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 1986 transitions. [2018-11-10 10:52:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-10 10:52:16,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:52:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1729 states and 2011 transitions. [2018-11-10 10:52:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2011 transitions. [2018-11-10 10:52:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-10 10:52:17,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:52:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1733 states and 2015 transitions. [2018-11-10 10:52:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2015 transitions. [2018-11-10 10:52:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 10:52:17,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 272 proven. 42 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1744 states and 2030 transitions. [2018-11-10 10:52:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2030 transitions. [2018-11-10 10:52:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 10:52:18,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 10:52:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1745 states and 2030 transitions. [2018-11-10 10:52:18,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2030 transitions. [2018-11-10 10:52:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 10:52:18,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 10:52:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1779 states and 2071 transitions. [2018-11-10 10:52:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2071 transitions. [2018-11-10 10:52:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 10:52:19,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 10:52:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 1788 states and 2079 transitions. [2018-11-10 10:52:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2079 transitions. [2018-11-10 10:52:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-10 10:52:20,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 10:52:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1800 states and 2091 transitions. [2018-11-10 10:52:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2091 transitions. [2018-11-10 10:52:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-10 10:52:20,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 10:52:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1805 states and 2095 transitions. [2018-11-10 10:52:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2095 transitions. [2018-11-10 10:52:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 10:52:20,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:20,921 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 10:52:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1806 states and 2096 transitions. [2018-11-10 10:52:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2096 transitions. [2018-11-10 10:52:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 10:52:20,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 10:52:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1807 states and 2096 transitions. [2018-11-10 10:52:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2096 transitions. [2018-11-10 10:52:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 10:52:21,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 10:52:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1827 states and 2119 transitions. [2018-11-10 10:52:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2119 transitions. [2018-11-10 10:52:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-10 10:52:21,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-10 10:52:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1830 states and 2121 transitions. [2018-11-10 10:52:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2121 transitions. [2018-11-10 10:52:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:21,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 10:52:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1848 states and 2145 transitions. [2018-11-10 10:52:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2145 transitions. [2018-11-10 10:52:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:22,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 10:52:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1860 states and 2156 transitions. [2018-11-10 10:52:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2156 transitions. [2018-11-10 10:52:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:23,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 10:52:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1862 states and 2157 transitions. [2018-11-10 10:52:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2157 transitions. [2018-11-10 10:52:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:23,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-10 10:52:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1897 states and 2193 transitions. [2018-11-10 10:52:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2193 transitions. [2018-11-10 10:52:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:25,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-10 10:52:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1915 states and 2212 transitions. [2018-11-10 10:52:26,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2212 transitions. [2018-11-10 10:52:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:26,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-10 10:52:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1931 states and 2229 transitions. [2018-11-10 10:52:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2229 transitions. [2018-11-10 10:52:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:27,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1970 states and 2281 transitions. [2018-11-10 10:52:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2281 transitions. [2018-11-10 10:52:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:30,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1977 states and 2287 transitions. [2018-11-10 10:52:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2287 transitions. [2018-11-10 10:52:31,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 10:52:31,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 10:52:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1981 states and 2290 transitions. [2018-11-10 10:52:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2290 transitions. [2018-11-10 10:52:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-10 10:52:32,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2024 states and 2339 transitions. [2018-11-10 10:52:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2339 transitions. [2018-11-10 10:52:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-10 10:52:34,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2027 states and 2342 transitions. [2018-11-10 10:52:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2342 transitions. [2018-11-10 10:52:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:52:34,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-10 10:52:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2041 states and 2355 transitions. [2018-11-10 10:52:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2355 transitions. [2018-11-10 10:52:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 10:52:35,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 10:52:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2076 states and 2394 transitions. [2018-11-10 10:52:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2394 transitions. [2018-11-10 10:52:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 10:52:37,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 10:52:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2094 states and 2411 transitions. [2018-11-10 10:52:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2411 transitions. [2018-11-10 10:52:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 10:52:38,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 10:52:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2113 states and 2429 transitions. [2018-11-10 10:52:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2429 transitions. [2018-11-10 10:52:38,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 10:52:38,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 10:52:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2129 states and 2445 transitions. [2018-11-10 10:52:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2445 transitions. [2018-11-10 10:52:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-10 10:52:39,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 10:52:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2135 states and 2452 transitions. [2018-11-10 10:52:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2452 transitions. [2018-11-10 10:52:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-10 10:52:39,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 10:52:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2187 states and 2507 transitions. [2018-11-10 10:52:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2507 transitions. [2018-11-10 10:52:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-10 10:52:41,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-10 10:52:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2213 states and 2536 transitions. [2018-11-10 10:52:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2536 transitions. [2018-11-10 10:52:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-10 10:52:41,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-10 10:52:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2266 states and 2592 transitions. [2018-11-10 10:52:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2592 transitions. [2018-11-10 10:52:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-10 10:52:42,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:42,687 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-10 10:52:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2267 states and 2592 transitions. [2018-11-10 10:52:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2592 transitions. [2018-11-10 10:52:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-10 10:52:42,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 10:52:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2281 states and 2612 transitions. [2018-11-10 10:52:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2612 transitions. [2018-11-10 10:52:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-10 10:52:44,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 10:52:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2287 states and 2618 transitions. [2018-11-10 10:52:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2618 transitions. [2018-11-10 10:52:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-10 10:52:44,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-10 10:52:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2291 states and 2621 transitions. [2018-11-10 10:52:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2621 transitions. [2018-11-10 10:52:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:45,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-10 10:52:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2303 states and 2643 transitions. [2018-11-10 10:52:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2643 transitions. [2018-11-10 10:52:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:46,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-10 10:52:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2309 states and 2649 transitions. [2018-11-10 10:52:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2649 transitions. [2018-11-10 10:52:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:46,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-10 10:52:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2314 states and 2654 transitions. [2018-11-10 10:52:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2654 transitions. [2018-11-10 10:52:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:47,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2432 states and 2794 transitions. [2018-11-10 10:52:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 2794 transitions. [2018-11-10 10:52:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:54,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2463 states and 2836 transitions. [2018-11-10 10:52:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2836 transitions. [2018-11-10 10:52:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:56,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2486 states and 2864 transitions. [2018-11-10 10:52:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2864 transitions. [2018-11-10 10:52:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:59,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2489 states and 2866 transitions. [2018-11-10 10:52:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2866 transitions. [2018-11-10 10:52:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:52:59,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:53:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:00,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2493 states and 2870 transitions. [2018-11-10 10:53:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2870 transitions. [2018-11-10 10:53:00,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:53:00,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:53:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2496 states and 2872 transitions. [2018-11-10 10:53:00,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2872 transitions. [2018-11-10 10:53:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:53:00,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:53:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2500 states and 2875 transitions. [2018-11-10 10:53:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2875 transitions. [2018-11-10 10:53:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:53:01,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:53:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2506 states and 2880 transitions. [2018-11-10 10:53:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2880 transitions. [2018-11-10 10:53:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:53:02,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:53:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2510 states and 2883 transitions. [2018-11-10 10:53:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 2883 transitions. [2018-11-10 10:53:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 10:53:02,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:53:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2511 states and 2884 transitions. [2018-11-10 10:53:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 2884 transitions. [2018-11-10 10:53:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-10 10:53:03,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-10 10:53:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2514 states and 2886 transitions. [2018-11-10 10:53:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2886 transitions. [2018-11-10 10:53:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-10 10:53:03,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 311 proven. 10 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-10 10:53:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2518 states and 2890 transitions. [2018-11-10 10:53:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2890 transitions. [2018-11-10 10:53:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-10 10:53:04,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 10:53:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2520 states and 2891 transitions. [2018-11-10 10:53:04,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2891 transitions. [2018-11-10 10:53:04,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-10 10:53:04,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 10:53:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2560 states and 2937 transitions. [2018-11-10 10:53:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2937 transitions. [2018-11-10 10:53:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-10 10:53:07,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 10:53:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2570 states and 2947 transitions. [2018-11-10 10:53:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 2947 transitions. [2018-11-10 10:53:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-10 10:53:08,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 10:53:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2573 states and 2949 transitions. [2018-11-10 10:53:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 2949 transitions. [2018-11-10 10:53:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-10 10:53:09,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 10:53:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2621 states and 3000 transitions. [2018-11-10 10:53:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3000 transitions. [2018-11-10 10:53:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-10 10:53:12,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 10:53:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2630 states and 3011 transitions. [2018-11-10 10:53:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3011 transitions. [2018-11-10 10:53:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-10 10:53:13,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 10:53:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2638 states and 3018 transitions. [2018-11-10 10:53:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3018 transitions. [2018-11-10 10:53:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-10 10:53:14,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-10 10:53:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 2641 states and 3020 transitions. [2018-11-10 10:53:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3020 transitions. [2018-11-10 10:53:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-10 10:53:14,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 241 proven. 133 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-10 10:53:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2680 states and 3062 transitions. [2018-11-10 10:53:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3062 transitions. [2018-11-10 10:53:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-10 10:53:15,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-11-10 10:53:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 2760 states and 3146 transitions. [2018-11-10 10:53:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3146 transitions. [2018-11-10 10:53:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-11-10 10:53:16,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-10 10:53:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 2802 states and 3195 transitions. [2018-11-10 10:53:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3195 transitions. [2018-11-10 10:53:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-10 10:53:18,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-10 10:53:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2821 states and 3214 transitions. [2018-11-10 10:53:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3214 transitions. [2018-11-10 10:53:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-10 10:53:18,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-10 10:53:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 2845 states and 3237 transitions. [2018-11-10 10:53:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3237 transitions. [2018-11-10 10:53:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-10 10:53:19,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2018-11-10 10:53:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 2924 states and 3318 transitions. [2018-11-10 10:53:20,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3318 transitions. [2018-11-10 10:53:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-10 10:53:20,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 75 proven. 515 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-11-10 10:53:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 3051 states and 3464 transitions. [2018-11-10 10:53:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3464 transitions. [2018-11-10 10:53:26,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:53:26,758 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 153 iterations. [2018-11-10 10:53:26,764 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:53:26,882 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 18 [2018-11-10 10:53:27,080 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 18 [2018-11-10 10:53:27,221 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-10 10:53:27,463 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-10 10:53:27,836 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-10 10:53:27,939 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-10 10:53:28,491 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:28,622 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-11-10 10:53:28,753 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-11-10 10:53:28,947 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-10 10:53:29,050 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-10 10:53:29,500 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-11-10 10:53:29,683 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:29,859 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:30,043 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-10 10:53:30,225 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:30,479 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:30,768 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 43 [2018-11-10 10:53:30,942 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 18 [2018-11-10 10:53:31,115 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 18 [2018-11-10 10:53:31,225 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:31,526 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-10 10:53:31,991 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 18 [2018-11-10 10:53:32,110 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:32,271 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-11-10 10:53:32,747 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-11-10 10:53:32,850 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 18 [2018-11-10 10:53:33,094 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-10 10:53:33,278 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 18 [2018-11-10 10:53:33,393 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-11-10 10:53:33,526 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-10 10:53:33,743 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 43 [2018-11-10 10:53:33,954 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:53:33,956 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 10:53:33,960 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 10:53:33,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:53:33 ImpRootNode [2018-11-10 10:53:33,961 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:53:33,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:53:33,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:53:33,961 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:53:33,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:51:29" (3/4) ... [2018-11-10 10:53:33,965 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:53:33,977 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-10 10:53:33,977 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 10:53:33,978 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 10:53:33,978 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:53:34,063 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d2754525-fb63-4ec5-bec9-5004e7ad1b69/bin-2019/ukojak/witness.graphml [2018-11-10 10:53:34,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:53:34,064 INFO L168 Benchmark]: Toolchain (without parser) took 126949.54 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.9 GB). Free memory was 952.2 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 857.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,065 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 10:53:34,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.50 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 917.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -236.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,066 INFO L168 Benchmark]: Boogie Preprocessor took 40.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,066 INFO L168 Benchmark]: RCFGBuilder took 1576.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 905.4 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,066 INFO L168 Benchmark]: CodeCheck took 124786.53 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 905.4 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,066 INFO L168 Benchmark]: Witness Printer took 102.33 ms. Allocated memory is still 3.9 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 29.2 kB). Peak memory consumption was 29.2 kB. Max. memory is 11.5 GB. [2018-11-10 10:53:34,068 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, 117.5s OverallTime, 153 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67278356 SDtfs, 1410704910 SDslu, 1410714860 SDs, 0 SdLazy, 1422634110 SolverSat, -1375234240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 527.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225094 GetRequests, 220060 SyntacticMatches, 3674 SemanticMatches, 1360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272714 ImplicationChecksByTransitivity, 95.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 36135 NumberOfCodeBlocks, 36135 NumberOfCodeBlocksAsserted, 152 NumberOfCheckSat, 35983 ConstructedInterpolants, 0 QuantifiedInterpolants, 32864085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 152 InterpolantComputations, 102 PerfectInterpolantSequences, 44460/46644 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: 580]: 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 == 7) || !(1 == a19)) || a11 == 1) || !(a28 == 10)) || a25 == 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a11 == 1 || !(a17 == 7) || !(1 == a19)) || !(a28 == 10)) || a25 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 349.50 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 917.3 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 91.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -236.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1576.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 905.4 MB in the end (delta: 245.5 MB). Peak memory consumption was 245.5 MB. Max. memory is 11.5 GB. * CodeCheck took 124786.53 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 905.4 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 102.33 ms. Allocated memory is still 3.9 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 29.2 kB). Peak memory consumption was 29.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...