./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:55:29,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:55:29,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:55:29,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:55:29,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:55:29,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:55:29,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:55:29,808 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:55:29,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:55:29,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:55:29,810 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:55:29,810 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:55:29,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:55:29,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:55:29,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:55:29,814 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:55:29,815 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:55:29,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:55:29,817 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:55:29,818 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:55:29,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:55:29,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:55:29,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:55:29,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:55:29,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:55:29,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:55:29,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:55:29,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:55:29,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:55:29,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:55:29,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:55:29,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:55:29,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:55:29,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:55:29,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:55:29,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:55:29,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:55:29,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:55:29,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:55:29,854 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:55:29,854 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:55:29,855 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:55:29,855 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:55:29,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:55:29,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:55:29,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:55:29,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:55:29,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:55:29,856 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:55:29,857 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:55:29,857 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:55:29,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:55:29,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:55:29,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:55:29,857 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:55:29,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:55:29,858 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:55:29,858 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:55:29,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:55:29,858 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 [2018-10-26 22:55:29,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:55:29,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:55:29,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:55:29,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:55:29,907 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:55:29,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-10-26 22:55:29,954 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/data/2178442fe/81b6bf86690f4d6c8ca128ae21650707/FLAG2b301ff82 [2018-10-26 22:55:30,380 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:55:30,381 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-10-26 22:55:30,394 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/data/2178442fe/81b6bf86690f4d6c8ca128ae21650707/FLAG2b301ff82 [2018-10-26 22:55:30,407 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/data/2178442fe/81b6bf86690f4d6c8ca128ae21650707 [2018-10-26 22:55:30,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:55:30,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:55:30,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:55:30,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:55:30,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:55:30,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:30,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fd0115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30, skipping insertion in model container [2018-10-26 22:55:30,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:30,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:55:30,474 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:55:30,752 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:55:30,756 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:55:30,868 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:55:30,882 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:55:30,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30 WrapperNode [2018-10-26 22:55:30,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:55:30,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:55:30,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:55:30,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:55:30,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:30,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:55:31,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:55:31,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:55:31,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:55:31,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... [2018-10-26 22:55:31,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:55:31,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:55:31,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:55:31,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:55:31,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:55:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:55:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:55:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:55:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:55:35,353 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:55:35,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:55:35 BoogieIcfgContainer [2018-10-26 22:55:35,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:55:35,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:55:35,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:55:35,364 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:55:35,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:55:35" (1/1) ... [2018-10-26 22:55:35,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:55:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 22:55:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 22:55:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:55:35,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 147 states and 234 transitions. [2018-10-26 22:55:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2018-10-26 22:55:36,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 22:55:36,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 212 states and 322 transitions. [2018-10-26 22:55:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2018-10-26 22:55:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 22:55:37,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 217 states and 330 transitions. [2018-10-26 22:55:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 330 transitions. [2018-10-26 22:55:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 22:55:37,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 288 states and 405 transitions. [2018-10-26 22:55:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 405 transitions. [2018-10-26 22:55:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 22:55:39,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:55:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 289 states and 406 transitions. [2018-10-26 22:55:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 406 transitions. [2018-10-26 22:55:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:55:39,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:55:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 302 states and 427 transitions. [2018-10-26 22:55:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 427 transitions. [2018-10-26 22:55:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 22:55:40,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 317 states and 445 transitions. [2018-10-26 22:55:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 445 transitions. [2018-10-26 22:55:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 22:55:40,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 327 states and 461 transitions. [2018-10-26 22:55:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 461 transitions. [2018-10-26 22:55:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 22:55:41,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 343 states and 483 transitions. [2018-10-26 22:55:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 483 transitions. [2018-10-26 22:55:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 22:55:41,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 350 states and 492 transitions. [2018-10-26 22:55:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 492 transitions. [2018-10-26 22:55:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:55:42,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:43,544 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 22:55:43,819 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:55:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 364 states and 511 transitions. [2018-10-26 22:55:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 511 transitions. [2018-10-26 22:55:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:55:44,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 372 states and 521 transitions. [2018-10-26 22:55:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 521 transitions. [2018-10-26 22:55:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:55:44,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 378 states and 530 transitions. [2018-10-26 22:55:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 530 transitions. [2018-10-26 22:55:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 22:55:45,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 396 states and 552 transitions. [2018-10-26 22:55:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 552 transitions. [2018-10-26 22:55:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 22:55:46,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 402 states and 559 transitions. [2018-10-26 22:55:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 559 transitions. [2018-10-26 22:55:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:55:46,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:55:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:47,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 413 states and 570 transitions. [2018-10-26 22:55:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 570 transitions. [2018-10-26 22:55:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:55:47,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:55:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 416 states and 572 transitions. [2018-10-26 22:55:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 572 transitions. [2018-10-26 22:55:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:55:47,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:47,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 427 states and 588 transitions. [2018-10-26 22:55:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 588 transitions. [2018-10-26 22:55:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:55:47,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:55:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 434 states and 598 transitions. [2018-10-26 22:55:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 598 transitions. [2018-10-26 22:55:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 22:55:48,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:55:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:48,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 435 states and 600 transitions. [2018-10-26 22:55:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 600 transitions. [2018-10-26 22:55:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 22:55:48,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:55:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 436 states and 602 transitions. [2018-10-26 22:55:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 602 transitions. [2018-10-26 22:55:48,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:55:48,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 443 states and 609 transitions. [2018-10-26 22:55:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2018-10-26 22:55:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:55:48,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 450 states and 617 transitions. [2018-10-26 22:55:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 617 transitions. [2018-10-26 22:55:49,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:55:49,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 464 states and 634 transitions. [2018-10-26 22:55:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 634 transitions. [2018-10-26 22:55:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:55:50,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:55:51,100 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:55:52,503 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:55:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 472 states and 644 transitions. [2018-10-26 22:55:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 644 transitions. [2018-10-26 22:55:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:55:53,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:55:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 480 states and 651 transitions. [2018-10-26 22:55:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 651 transitions. [2018-10-26 22:55:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:55:53,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 487 states and 661 transitions. [2018-10-26 22:55:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 661 transitions. [2018-10-26 22:55:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:55:54,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 492 states and 666 transitions. [2018-10-26 22:55:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 666 transitions. [2018-10-26 22:55:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:55:54,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 497 states and 671 transitions. [2018-10-26 22:55:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 671 transitions. [2018-10-26 22:55:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 22:55:54,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 517 states and 693 transitions. [2018-10-26 22:55:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 693 transitions. [2018-10-26 22:55:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:55:56,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 519 states and 695 transitions. [2018-10-26 22:55:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 695 transitions. [2018-10-26 22:55:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:55:56,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:55:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 521 states and 697 transitions. [2018-10-26 22:55:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 697 transitions. [2018-10-26 22:55:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:55:56,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 545 states and 724 transitions. [2018-10-26 22:55:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 724 transitions. [2018-10-26 22:55:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:55:57,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:58,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 616 states and 805 transitions. [2018-10-26 22:55:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 805 transitions. [2018-10-26 22:55:58,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 22:55:58,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 629 states and 819 transitions. [2018-10-26 22:55:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 819 transitions. [2018-10-26 22:55:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 22:55:58,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:58,922 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 634 states and 827 transitions. [2018-10-26 22:55:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 827 transitions. [2018-10-26 22:55:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 22:55:58,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:55:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:55:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 640 states and 833 transitions. [2018-10-26 22:55:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 833 transitions. [2018-10-26 22:55:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:55:59,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:55:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:55:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:56:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 656 states and 862 transitions. [2018-10-26 22:56:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 862 transitions. [2018-10-26 22:56:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:56:00,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:56:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 667 states and 873 transitions. [2018-10-26 22:56:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 873 transitions. [2018-10-26 22:56:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:56:01,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:56:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 679 states and 885 transitions. [2018-10-26 22:56:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 885 transitions. [2018-10-26 22:56:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:56:01,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:56:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 691 states and 898 transitions. [2018-10-26 22:56:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 898 transitions. [2018-10-26 22:56:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:56:01,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:56:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 713 states and 921 transitions. [2018-10-26 22:56:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 921 transitions. [2018-10-26 22:56:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 22:56:01,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:56:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 746 states and 963 transitions. [2018-10-26 22:56:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 963 transitions. [2018-10-26 22:56:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:56:02,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:56:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 761 states and 981 transitions. [2018-10-26 22:56:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 981 transitions. [2018-10-26 22:56:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:56:03,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:56:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 769 states and 993 transitions. [2018-10-26 22:56:04,113 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 993 transitions. [2018-10-26 22:56:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 22:56:04,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:56:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 776 states and 1001 transitions. [2018-10-26 22:56:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1001 transitions. [2018-10-26 22:56:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 22:56:04,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:56:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 791 states and 1016 transitions. [2018-10-26 22:56:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1016 transitions. [2018-10-26 22:56:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 22:56:05,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:56:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 811 states and 1036 transitions. [2018-10-26 22:56:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1036 transitions. [2018-10-26 22:56:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 22:56:05,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:56:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 831 states and 1056 transitions. [2018-10-26 22:56:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1056 transitions. [2018-10-26 22:56:05,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 22:56:05,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:56:05,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 840 states and 1065 transitions. [2018-10-26 22:56:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1065 transitions. [2018-10-26 22:56:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:56:05,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 22:56:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 842 states and 1066 transitions. [2018-10-26 22:56:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1066 transitions. [2018-10-26 22:56:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 22:56:05,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 22:56:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 849 states and 1077 transitions. [2018-10-26 22:56:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1077 transitions. [2018-10-26 22:56:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 22:56:06,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:56:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 854 states and 1083 transitions. [2018-10-26 22:56:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1083 transitions. [2018-10-26 22:56:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 22:56:07,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 22:56:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 858 states and 1087 transitions. [2018-10-26 22:56:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1087 transitions. [2018-10-26 22:56:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 22:56:07,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-26 22:56:08,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 859 states and 1090 transitions. [2018-10-26 22:56:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1090 transitions. [2018-10-26 22:56:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 22:56:08,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 22:56:09,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 959 states and 1200 transitions. [2018-10-26 22:56:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1200 transitions. [2018-10-26 22:56:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:56:09,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 22:56:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 965 states and 1212 transitions. [2018-10-26 22:56:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1212 transitions. [2018-10-26 22:56:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:56:10,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 22:56:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1000 states and 1247 transitions. [2018-10-26 22:56:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1247 transitions. [2018-10-26 22:56:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:56:10,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:56:12,273 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-10-26 22:56:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1008 states and 1260 transitions. [2018-10-26 22:56:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1260 transitions. [2018-10-26 22:56:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:56:13,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:56:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1038 states and 1290 transitions. [2018-10-26 22:56:15,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1290 transitions. [2018-10-26 22:56:15,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 22:56:15,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:56:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1055 states and 1306 transitions. [2018-10-26 22:56:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1306 transitions. [2018-10-26 22:56:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:56:16,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:56:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1074 states and 1328 transitions. [2018-10-26 22:56:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1328 transitions. [2018-10-26 22:56:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 22:56:17,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:17,341 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:56:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1085 states and 1338 transitions. [2018-10-26 22:56:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1338 transitions. [2018-10-26 22:56:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 22:56:17,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 22:56:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1148 states and 1408 transitions. [2018-10-26 22:56:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1408 transitions. [2018-10-26 22:56:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 22:56:18,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 22:56:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1195 states and 1456 transitions. [2018-10-26 22:56:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1456 transitions. [2018-10-26 22:56:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-26 22:56:20,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:56:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1196 states and 1457 transitions. [2018-10-26 22:56:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1457 transitions. [2018-10-26 22:56:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 22:56:20,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 5 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 22:56:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1219 states and 1484 transitions. [2018-10-26 22:56:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1484 transitions. [2018-10-26 22:56:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 22:56:21,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:21,503 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 5 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 22:56:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1228 states and 1491 transitions. [2018-10-26 22:56:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1491 transitions. [2018-10-26 22:56:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 22:56:21,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 5 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 22:56:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1229 states and 1497 transitions. [2018-10-26 22:56:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1497 transitions. [2018-10-26 22:56:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 22:56:22,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 5 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 22:56:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1233 states and 1500 transitions. [2018-10-26 22:56:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1500 transitions. [2018-10-26 22:56:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 22:56:22,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:56:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1242 states and 1509 transitions. [2018-10-26 22:56:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1509 transitions. [2018-10-26 22:56:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:56:22,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-10-26 22:56:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1278 states and 1547 transitions. [2018-10-26 22:56:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1547 transitions. [2018-10-26 22:56:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:56:22,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-10-26 22:56:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1303 states and 1571 transitions. [2018-10-26 22:56:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1571 transitions. [2018-10-26 22:56:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:56:22,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-10-26 22:56:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1327 states and 1593 transitions. [2018-10-26 22:56:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1593 transitions. [2018-10-26 22:56:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 22:56:23,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-10-26 22:56:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1328 states and 1595 transitions. [2018-10-26 22:56:23,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1595 transitions. [2018-10-26 22:56:23,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:56:23,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:56:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1341 states and 1614 transitions. [2018-10-26 22:56:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1614 transitions. [2018-10-26 22:56:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:56:24,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:56:25,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1347 states and 1622 transitions. [2018-10-26 22:56:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1622 transitions. [2018-10-26 22:56:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:56:25,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:56:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1352 states and 1626 transitions. [2018-10-26 22:56:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1626 transitions. [2018-10-26 22:56:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 22:56:25,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 22:56:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1353 states and 1626 transitions. [2018-10-26 22:56:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1626 transitions. [2018-10-26 22:56:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 22:56:25,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:56:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:56:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 22:56:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:56:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1214 states and 1481 transitions. [2018-10-26 22:56:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1481 transitions. [2018-10-26 22:56:25,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:56:25,974 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 81 iterations. [2018-10-26 22:56:25,981 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:56:27,101 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2018-10-26 22:56:29,386 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:56:29,388 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:56:29,395 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:56:29,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:56:29 ImpRootNode [2018-10-26 22:56:29,395 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:56:29,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:56:29,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:56:29,396 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:56:29,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:55:35" (3/4) ... [2018-10-26 22:56:29,402 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:56:29,418 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 22:56:29,418 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 22:56:29,419 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 22:56:29,420 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:56:29,549 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ffde7a08-fa0c-480e-ba95-e61bd11d9d26/bin-2019/ukojak/witness.graphml [2018-10-26 22:56:29,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:56:29,554 INFO L168 Benchmark]: Toolchain (without parser) took 59143.73 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 852.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,555 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:56:29,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 920.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -273.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,557 INFO L168 Benchmark]: Boogie Preprocessor took 61.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,557 INFO L168 Benchmark]: RCFGBuilder took 4236.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 964.5 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,557 INFO L168 Benchmark]: CodeCheck took 54041.43 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 807.9 MB). Free memory was 964.5 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 792.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,558 INFO L168 Benchmark]: Witness Printer took 157.36 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:56:29,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 50.5s OverallTime, 81 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 176423008 SDtfs, -166300212 SDslu, 1402995488 SDs, 0 SdLazy, -1122056144 SolverSat, -957220820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 328.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77748 GetRequests, 76495 SyntacticMatches, 667 SemanticMatches, 586 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221482 ImplicationChecksByTransitivity, 37.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 11136 NumberOfCodeBlocks, 11136 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 11056 ConstructedInterpolants, 0 QuantifiedInterpolants, 5248091 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 80 InterpolantComputations, 70 PerfectInterpolantSequences, 7596/7648 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 479]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a16 == 5 || !(a17 == 1)) || !(a8 == 15)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a16 == 5 || !(a17 == 1)) || !(a8 == 15)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 471.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 920.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 171.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -273.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4236.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 964.5 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. * CodeCheck took 54041.43 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 807.9 MB). Free memory was 964.5 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 792.0 MB. Max. memory is 11.5 GB. * Witness Printer took 157.36 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...