./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/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 e09138f51265758a55ca4b42a17e715ba685a263 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:01:50,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:01:50,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:01:50,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:01:50,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:01:50,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:01:50,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:01:50,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:01:50,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:01:50,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:01:50,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:01:50,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:01:50,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:01:50,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:01:50,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:01:50,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:01:50,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:01:50,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:01:50,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:01:50,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:01:50,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:01:50,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:01:50,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:01:50,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:01:50,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:01:50,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:01:50,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:01:50,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:01:50,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:01:50,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:01:50,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:01:50,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:01:50,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:01:50,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:01:50,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:01:50,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:01:50,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:01:50,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:01:50,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:01:50,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:01:50,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:01:50,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:01:50,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:01:50,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:01:50,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:01:50,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:01:50,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:01:50,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:01:50,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:01:50,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:01:50,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:01:50,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:01:50,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:01:50,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:01:50,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:01:50,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:01:50,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:01:50,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:01:50,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:01:50,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:01:50,488 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:01:50,488 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:01:50,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:01:50,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:01:50,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:01:50,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:01:50,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:01:50,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:01:50,490 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:01:50,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:01:50,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:01:50,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/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 -> e09138f51265758a55ca4b42a17e715ba685a263 [2019-11-20 06:01:50,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:01:50,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:01:50,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:01:50,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:01:50,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:01:50,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2019-11-20 06:01:50,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/data/1018f428c/c5f80de5fac544bb87273f80b38b1a25/FLAGb8a3666dd [2019-11-20 06:01:51,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:01:51,196 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2019-11-20 06:01:51,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/data/1018f428c/c5f80de5fac544bb87273f80b38b1a25/FLAGb8a3666dd [2019-11-20 06:01:51,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/data/1018f428c/c5f80de5fac544bb87273f80b38b1a25 [2019-11-20 06:01:51,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:01:51,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:01:51,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:01:51,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:01:51,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:01:51,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:51" (1/1) ... [2019-11-20 06:01:51,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b52e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:51, skipping insertion in model container [2019-11-20 06:01:51,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:51" (1/1) ... [2019-11-20 06:01:51,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:01:51,785 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:01:52,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:01:52,239 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:01:52,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:01:52,393 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:01:52,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52 WrapperNode [2019-11-20 06:01:52,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:01:52,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:01:52,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:01:52,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:01:52,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:01:52,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:01:52,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:01:52,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:01:52,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... [2019-11-20 06:01:52,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:01:52,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:01:52,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:01:52,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:01:52,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/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 [2019-11-20 06:01:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:01:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:01:54,451 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:01:54,451 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 06:01:54,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:54 BoogieIcfgContainer [2019-11-20 06:01:54,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:01:54,453 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:01:54,453 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:01:54,463 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:01:54,463 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:54" (1/1) ... [2019-11-20 06:01:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:01:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-11-20 06:01:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-11-20 06:01:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 06:01:54,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2019-11-20 06:01:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2019-11-20 06:01:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 06:01:55,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2019-11-20 06:01:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2019-11-20 06:01:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 06:01:56,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2019-11-20 06:01:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2019-11-20 06:01:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 06:01:56,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 224 states and 309 transitions. [2019-11-20 06:01:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2019-11-20 06:01:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 06:01:57,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 06:01:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2019-11-20 06:01:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2019-11-20 06:01:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 06:01:57,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 06:01:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 256 states and 354 transitions. [2019-11-20 06:01:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 354 transitions. [2019-11-20 06:01:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 06:01:58,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 06:01:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:58,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 261 states and 359 transitions. [2019-11-20 06:01:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 359 transitions. [2019-11-20 06:01:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 06:01:58,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:01:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:01:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2019-11-20 06:01:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2019-11-20 06:01:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 06:01:59,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:01:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:01:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 291 states and 401 transitions. [2019-11-20 06:02:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 401 transitions. [2019-11-20 06:02:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 06:02:00,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 293 states and 403 transitions. [2019-11-20 06:02:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 403 transitions. [2019-11-20 06:02:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 06:02:00,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 296 states and 406 transitions. [2019-11-20 06:02:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 406 transitions. [2019-11-20 06:02:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 06:02:00,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 299 states and 409 transitions. [2019-11-20 06:02:00,976 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 409 transitions. [2019-11-20 06:02:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 06:02:00,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:02:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:01,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 318 states and 428 transitions. [2019-11-20 06:02:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 428 transitions. [2019-11-20 06:02:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 06:02:01,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:01,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 327 states and 437 transitions. [2019-11-20 06:02:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2019-11-20 06:02:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 06:02:01,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 06:02:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 333 states and 446 transitions. [2019-11-20 06:02:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 446 transitions. [2019-11-20 06:02:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 06:02:02,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 06:02:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 336 states and 451 transitions. [2019-11-20 06:02:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2019-11-20 06:02:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 06:02:02,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 06:02:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2019-11-20 06:02:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2019-11-20 06:02:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 06:02:03,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 346 states and 465 transitions. [2019-11-20 06:02:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 465 transitions. [2019-11-20 06:02:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 06:02:04,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2019-11-20 06:02:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2019-11-20 06:02:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 06:02:04,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 355 states and 478 transitions. [2019-11-20 06:02:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 478 transitions. [2019-11-20 06:02:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 06:02:04,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 358 states and 482 transitions. [2019-11-20 06:02:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 482 transitions. [2019-11-20 06:02:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 06:02:05,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 06:02:05,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 360 states and 483 transitions. [2019-11-20 06:02:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 483 transitions. [2019-11-20 06:02:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 06:02:05,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 06:02:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 371 states and 494 transitions. [2019-11-20 06:02:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 494 transitions. [2019-11-20 06:02:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 06:02:05,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 06:02:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 389 states and 513 transitions. [2019-11-20 06:02:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 513 transitions. [2019-11-20 06:02:06,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 06:02:06,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-20 06:02:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 403 states and 535 transitions. [2019-11-20 06:02:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 535 transitions. [2019-11-20 06:02:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 06:02:08,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-20 06:02:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 425 states and 557 transitions. [2019-11-20 06:02:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 557 transitions. [2019-11-20 06:02:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 06:02:10,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 06:02:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 470 states and 606 transitions. [2019-11-20 06:02:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 606 transitions. [2019-11-20 06:02:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 06:02:10,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 535 states and 673 transitions. [2019-11-20 06:02:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 673 transitions. [2019-11-20 06:02:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 06:02:13,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 06:02:13,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 542 states and 682 transitions. [2019-11-20 06:02:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 682 transitions. [2019-11-20 06:02:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 06:02:13,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 06:02:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 597 states and 742 transitions. [2019-11-20 06:02:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 742 transitions. [2019-11-20 06:02:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 06:02:17,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 646 states and 805 transitions. [2019-11-20 06:02:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 805 transitions. [2019-11-20 06:02:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 06:02:21,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 669 states and 828 transitions. [2019-11-20 06:02:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 828 transitions. [2019-11-20 06:02:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 06:02:23,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 06:02:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 670 states and 828 transitions. [2019-11-20 06:02:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 828 transitions. [2019-11-20 06:02:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 06:02:23,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 691 states and 849 transitions. [2019-11-20 06:02:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 849 transitions. [2019-11-20 06:02:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 06:02:24,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 06:02:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 700 states and 862 transitions. [2019-11-20 06:02:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 862 transitions. [2019-11-20 06:02:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 06:02:26,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 06:02:26,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 702 states and 863 transitions. [2019-11-20 06:02:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 863 transitions. [2019-11-20 06:02:26,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 06:02:26,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:27,084 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 06:02:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 771 states and 933 transitions. [2019-11-20 06:02:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 933 transitions. [2019-11-20 06:02:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 06:02:28,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 06:02:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 791 states and 954 transitions. [2019-11-20 06:02:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 954 transitions. [2019-11-20 06:02:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 06:02:28,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 06:02:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 798 states and 965 transitions. [2019-11-20 06:02:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 965 transitions. [2019-11-20 06:02:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 06:02:29,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:30,166 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 06:02:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 802 states and 970 transitions. [2019-11-20 06:02:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 970 transitions. [2019-11-20 06:02:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 06:02:30,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 06:02:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2019-11-20 06:02:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2019-11-20 06:02:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 06:02:31,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 863 states and 1047 transitions. [2019-11-20 06:02:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1047 transitions. [2019-11-20 06:02:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 06:02:37,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 871 states and 1057 transitions. [2019-11-20 06:02:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1057 transitions. [2019-11-20 06:02:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 06:02:38,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 06:02:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 873 states and 1059 transitions. [2019-11-20 06:02:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1059 transitions. [2019-11-20 06:02:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 06:02:38,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 937 states and 1136 transitions. [2019-11-20 06:02:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1136 transitions. [2019-11-20 06:02:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 06:02:45,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:47,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 958 states and 1157 transitions. [2019-11-20 06:02:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1157 transitions. [2019-11-20 06:02:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 06:02:47,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 06:02:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 965 states and 1170 transitions. [2019-11-20 06:02:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1170 transitions. [2019-11-20 06:02:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 06:02:50,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 06:02:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 970 states and 1178 transitions. [2019-11-20 06:02:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1178 transitions. [2019-11-20 06:02:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 06:02:51,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 06:02:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 973 states and 1182 transitions. [2019-11-20 06:02:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1182 transitions. [2019-11-20 06:02:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 06:02:52,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1042 states and 1265 transitions. [2019-11-20 06:02:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1265 transitions. [2019-11-20 06:02:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 06:02:58,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:02:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:02:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:02:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1045 states and 1269 transitions. [2019-11-20 06:02:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1269 transitions. [2019-11-20 06:02:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 06:02:59,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:02:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-20 06:03:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1082 states and 1311 transitions. [2019-11-20 06:03:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1311 transitions. [2019-11-20 06:03:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 06:03:02,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-20 06:03:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1100 states and 1328 transitions. [2019-11-20 06:03:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1328 transitions. [2019-11-20 06:03:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 06:03:03,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 06:03:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1124 states and 1356 transitions. [2019-11-20 06:03:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1356 transitions. [2019-11-20 06:03:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 06:03:06,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 06:03:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1128 states and 1363 transitions. [2019-11-20 06:03:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1363 transitions. [2019-11-20 06:03:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 06:03:10,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 06:03:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1131 states and 1367 transitions. [2019-11-20 06:03:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1367 transitions. [2019-11-20 06:03:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 06:03:11,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-20 06:03:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1201 states and 1441 transitions. [2019-11-20 06:03:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1441 transitions. [2019-11-20 06:03:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 06:03:12,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 06:03:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1218 states and 1457 transitions. [2019-11-20 06:03:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1457 transitions. [2019-11-20 06:03:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-11-20 06:03:13,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 06:03:17,109 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-11-20 06:03:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1266 states and 1512 transitions. [2019-11-20 06:03:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1512 transitions. [2019-11-20 06:03:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-11-20 06:03:20,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 06:03:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1270 states and 1515 transitions. [2019-11-20 06:03:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1515 transitions. [2019-11-20 06:03:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-20 06:03:21,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2019-11-20 06:03:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1339 states and 1586 transitions. [2019-11-20 06:03:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1586 transitions. [2019-11-20 06:03:22,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 06:03:22,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-11-20 06:03:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1409 states and 1661 transitions. [2019-11-20 06:03:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1661 transitions. [2019-11-20 06:03:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 06:03:24,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 06:03:29,255 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-11-20 06:03:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1497 states and 1768 transitions. [2019-11-20 06:03:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1768 transitions. [2019-11-20 06:03:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 06:03:38,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 06:03:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1534 states and 1809 transitions. [2019-11-20 06:03:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1809 transitions. [2019-11-20 06:03:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 06:03:43,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 06:03:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1552 states and 1832 transitions. [2019-11-20 06:03:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1832 transitions. [2019-11-20 06:03:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 06:03:47,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 06:03:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1555 states and 1836 transitions. [2019-11-20 06:03:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1836 transitions. [2019-11-20 06:03:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-11-20 06:03:47,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-20 06:03:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:03:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1679 states and 1970 transitions. [2019-11-20 06:03:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1970 transitions. [2019-11-20 06:03:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 06:03:55,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:03:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:03:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-20 06:04:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1710 states and 2005 transitions. [2019-11-20 06:04:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2005 transitions. [2019-11-20 06:04:03,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 06:04:03,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-20 06:04:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1711 states and 2004 transitions. [2019-11-20 06:04:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2004 transitions. [2019-11-20 06:04:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 06:04:05,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 06:04:13,356 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2019-11-20 06:04:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1763 states and 2062 transitions. [2019-11-20 06:04:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2062 transitions. [2019-11-20 06:04:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 06:04:16,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 06:04:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1766 states and 2066 transitions. [2019-11-20 06:04:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2066 transitions. [2019-11-20 06:04:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 06:04:18,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 06:04:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1813 states and 2117 transitions. [2019-11-20 06:04:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2117 transitions. [2019-11-20 06:04:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 06:04:30,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 06:04:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1816 states and 2121 transitions. [2019-11-20 06:04:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2121 transitions. [2019-11-20 06:04:32,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 06:04:32,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 06:04:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1838 states and 2142 transitions. [2019-11-20 06:04:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2142 transitions. [2019-11-20 06:04:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-20 06:04:35,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 06:04:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1910 states and 2217 transitions. [2019-11-20 06:04:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2217 transitions. [2019-11-20 06:04:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-20 06:04:38,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 06:04:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1912 states and 2219 transitions. [2019-11-20 06:04:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2219 transitions. [2019-11-20 06:04:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 06:04:38,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 06:04:47,871 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-11-20 06:04:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1975 states and 2289 transitions. [2019-11-20 06:04:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2289 transitions. [2019-11-20 06:04:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-11-20 06:04:50,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:51,180 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 06:04:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1979 states and 2295 transitions. [2019-11-20 06:04:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2295 transitions. [2019-11-20 06:04:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-11-20 06:04:53,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 06:04:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1982 states and 2298 transitions. [2019-11-20 06:04:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2298 transitions. [2019-11-20 06:04:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 06:04:55,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 06:04:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:04:59,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1993 states and 2311 transitions. [2019-11-20 06:04:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2311 transitions. [2019-11-20 06:04:59,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 06:04:59,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:04:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:04:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 06:05:01,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2010 states and 2328 transitions. [2019-11-20 06:05:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2328 transitions. [2019-11-20 06:05:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-20 06:05:01,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:04,938 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 06:05:08,545 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-11-20 06:05:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2050 states and 2377 transitions. [2019-11-20 06:05:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2377 transitions. [2019-11-20 06:05:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-20 06:05:14,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 06:05:14,757 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 06:05:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2058 states and 2384 transitions. [2019-11-20 06:05:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2384 transitions. [2019-11-20 06:05:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-11-20 06:05:16,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 06:05:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2127 states and 2455 transitions. [2019-11-20 06:05:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2455 transitions. [2019-11-20 06:05:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-20 06:05:19,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 06:05:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2238 states and 2573 transitions. [2019-11-20 06:05:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2573 transitions. [2019-11-20 06:05:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 06:05:25,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 06:05:32,566 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 06:05:33,400 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 06:05:34,224 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 06:05:34,840 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-11-20 06:05:35,396 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 06:05:36,013 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-20 06:05:36,619 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-20 06:05:37,241 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-20 06:05:37,836 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-20 06:05:38,383 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-11-20 06:05:38,939 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-11-20 06:05:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2278 states and 2616 transitions. [2019-11-20 06:05:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2616 transitions. [2019-11-20 06:05:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 06:05:41,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 06:05:42,351 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 06:05:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:05:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2307 states and 2643 transitions. [2019-11-20 06:05:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2643 transitions. [2019-11-20 06:05:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 06:05:47,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:05:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:05:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 06:05:51,815 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-11-20 06:05:53,168 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-11-20 06:05:53,748 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 06:05:54,363 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 06:05:54,978 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 06:05:55,919 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-11-20 06:05:56,568 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 06:05:57,501 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:05:58,128 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:05:58,762 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:05:59,380 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:06:00,292 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:06:01,204 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:06:01,838 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:06:02,497 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-11-20 06:06:03,113 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-11-20 06:06:04,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2348 states and 2688 transitions. [2019-11-20 06:06:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2688 transitions. [2019-11-20 06:06:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 06:06:04,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 06:06:05,043 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-11-20 06:06:06,218 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-11-20 06:06:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2355 states and 2693 transitions. [2019-11-20 06:06:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2693 transitions. [2019-11-20 06:06:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-20 06:06:06,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 06:06:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2360 states and 2705 transitions. [2019-11-20 06:06:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2705 transitions. [2019-11-20 06:06:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-20 06:06:07,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 06:06:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2361 states and 2706 transitions. [2019-11-20 06:06:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2706 transitions. [2019-11-20 06:06:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-20 06:06:08,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 06:06:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2362 states and 2710 transitions. [2019-11-20 06:06:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2710 transitions. [2019-11-20 06:06:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 06:06:09,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-11-20 06:06:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2431 states and 2779 transitions. [2019-11-20 06:06:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2779 transitions. [2019-11-20 06:06:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 06:06:12,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-11-20 06:06:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2500 states and 2853 transitions. [2019-11-20 06:06:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2853 transitions. [2019-11-20 06:06:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 06:06:16,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-11-20 06:06:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2568 states and 2928 transitions. [2019-11-20 06:06:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2928 transitions. [2019-11-20 06:06:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 06:06:38,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-11-20 06:06:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2572 states and 2931 transitions. [2019-11-20 06:06:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2931 transitions. [2019-11-20 06:06:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 06:06:39,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-11-20 06:06:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2614 states and 2973 transitions. [2019-11-20 06:06:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 2973 transitions. [2019-11-20 06:06:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 06:06:40,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:06:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:06:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-11-20 06:06:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:06:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2286 states and 2614 transitions. [2019-11-20 06:06:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2614 transitions. [2019-11-20 06:06:44,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:06:44,314 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 99 iterations. [2019-11-20 06:06:44,321 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 06:06:44,526 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2019-11-20 06:06:44,717 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 39 [2019-11-20 06:06:44,974 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 41 [2019-11-20 06:06:45,162 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2019-11-20 06:06:45,450 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 42 [2019-11-20 06:06:45,570 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2019-11-20 06:06:45,834 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2019-11-20 06:06:46,160 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2019-11-20 06:06:46,436 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2019-11-20 06:06:46,700 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 41 [2019-11-20 06:06:46,829 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2019-11-20 06:06:46,959 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2019-11-20 06:06:47,130 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2019-11-20 06:06:47,381 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2019-11-20 06:06:47,621 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 38 [2019-11-20 06:06:47,764 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 31 [2019-11-20 06:06:48,008 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2019-11-20 06:06:48,272 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 41 [2019-11-20 06:06:48,417 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2019-11-20 06:06:48,534 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2019-11-20 06:06:48,781 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2019-11-20 06:06:48,902 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2019-11-20 06:06:49,030 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2019-11-20 06:06:49,288 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 41 [2019-11-20 06:06:49,477 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2019-11-20 06:06:49,742 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 39 [2019-11-20 06:06:50,010 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2019-11-20 06:06:50,154 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2019-11-20 06:06:50,344 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2019-11-20 06:06:50,528 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2019-11-20 06:06:50,720 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2019-11-20 06:06:50,878 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 34 [2019-11-20 06:06:51,069 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2019-11-20 06:06:51,196 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2019-11-20 06:06:51,384 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2019-11-20 06:06:51,567 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2019-11-20 06:06:51,691 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-11-20 06:06:51,869 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 38 [2019-11-20 06:06:52,134 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2019-11-20 06:06:52,281 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 31 [2019-11-20 06:06:52,734 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2019-11-20 06:06:52,855 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2019-11-20 06:06:53,059 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2019-11-20 06:06:53,324 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2019-11-20 06:06:53,686 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2019-11-20 06:06:53,977 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2019-11-20 06:06:54,167 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2019-11-20 06:06:54,295 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2019-11-20 06:06:54,536 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2019-11-20 06:06:54,854 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2019-11-20 06:06:54,982 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2019-11-20 06:06:55,173 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 39 [2019-11-20 06:06:55,352 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2019-11-20 06:06:55,568 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 40 [2019-11-20 06:06:55,690 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2019-11-20 06:06:55,877 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2019-11-20 06:06:56,137 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2019-11-20 06:06:56,850 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 70 [2019-11-20 06:06:56,966 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2019-11-20 06:06:57,086 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2019-11-20 06:06:57,277 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 39 [2019-11-20 06:06:57,468 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2019-11-20 06:06:57,747 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2019-11-20 06:06:57,880 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 31 [2019-11-20 06:06:58,146 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 39 [2019-11-20 06:06:58,407 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2019-11-20 06:06:58,666 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2019-11-20 06:06:58,890 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 38 [2019-11-20 06:06:58,890 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:06:58,893 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-11-20 06:06:58,901 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-11-20 06:06:58,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:06:58 ImpRootNode [2019-11-20 06:06:58,903 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:06:58,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:06:58,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:06:58,904 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:06:58,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:54" (3/4) ... [2019-11-20 06:06:58,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:06:58,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-11-20 06:06:58,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 06:06:58,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 06:06:58,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:06:59,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c7c55949-9301-40b8-9bf3-f83525d5a18f/bin/ukojak/witness.graphml [2019-11-20 06:06:59,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:06:59,052 INFO L168 Benchmark]: Toolchain (without parser) took 307320.59 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 939.3 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,052 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:06:59,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,053 INFO L168 Benchmark]: Boogie Preprocessor took 52.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,053 INFO L168 Benchmark]: RCFGBuilder took 1913.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 862.8 MB in the end (delta: 212.3 MB). Peak memory consumption was 212.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,054 INFO L168 Benchmark]: CodeCheck took 304449.88 ms. Allocated memory was 1.1 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 862.8 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,054 INFO L168 Benchmark]: Witness Printer took 147.02 ms. Allocated memory is still 4.8 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:06:59,056 INFO L335 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, 76 locations, 1 error locations. Result: SAFE, OverallTime: 289.8s, OverallIterations: 99, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1894143212 SDtfs, 845153762 SDslu, -1904419512 SDs, 0 SdLazy, -249634142 SolverSat, 1518632960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 495.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135424 GetRequests, 129935 SyntacticMatches, 3957 SemanticMatches, 1532 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1763538 ImplicationChecksByTransitivity, 258.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 40.7s InterpolantComputationTime, 20598 NumberOfCodeBlocks, 20598 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 20500 ConstructedInterpolants, 0 QuantifiedInterpolants, 34307734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 72 PerfectInterpolantSequences, 30838/31369 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1) || !(a7 == 1)) || !(a17 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 669.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1913.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 862.8 MB in the end (delta: 212.3 MB). Peak memory consumption was 212.3 MB. Max. memory is 11.5 GB. * CodeCheck took 304449.88 ms. Allocated memory was 1.1 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 862.8 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 147.02 ms. Allocated memory is still 4.8 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...