./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/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 95000caaa926e46a44fd070da2a40a84b9e2d593 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:43:29,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:43:29,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:43:29,695 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:43:29,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:43:29,696 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:43:29,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:43:29,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:43:29,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:43:29,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:43:29,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:43:29,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:43:29,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:43:29,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:43:29,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:43:29,704 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:43:29,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:43:29,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:43:29,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:43:29,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:43:29,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:43:29,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:43:29,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:43:29,711 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:43:29,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:43:29,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:43:29,712 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:43:29,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:43:29,713 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:43:29,714 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:43:29,714 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:43:29,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:43:29,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:43:29,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:43:29,715 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:43:29,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:43:29,716 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:43:29,723 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:43:29,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:43:29,724 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:43:29,724 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:43:29,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:43:29,725 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:43:29,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:43:29,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:43:29,725 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:43:29,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:43:29,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:43:29,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:43:29,726 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:43:29,726 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:43:29,727 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:43:29,727 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:43:29,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:43:29,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:43:29,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:43:29,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:43:29,727 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:43:29,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:43:29,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:43:29,728 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_b71d4f57-6f64-4836-bee0-f0b559473619/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 -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2018-11-23 15:43:29,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:43:29,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:43:29,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:43:29,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:43:29,765 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:43:29,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-11-23 15:43:29,808 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/data/9b118b9e7/74ff5d9abd6d4ad18ee8ae1e792e6788/FLAGc556a5981 [2018-11-23 15:43:30,270 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:43:30,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-11-23 15:43:30,280 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/data/9b118b9e7/74ff5d9abd6d4ad18ee8ae1e792e6788/FLAGc556a5981 [2018-11-23 15:43:30,787 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/data/9b118b9e7/74ff5d9abd6d4ad18ee8ae1e792e6788 [2018-11-23 15:43:30,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:43:30,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:43:30,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:43:30,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:43:30,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:43:30,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:30" (1/1) ... [2018-11-23 15:43:30,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:30, skipping insertion in model container [2018-11-23 15:43:30,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:30" (1/1) ... [2018-11-23 15:43:30,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:43:30,840 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:43:31,078 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:43:31,082 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:43:31,146 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:43:31,157 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:43:31,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31 WrapperNode [2018-11-23 15:43:31,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:43:31,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:43:31,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:43:31,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:43:31,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:43:31,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:43:31,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:43:31,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:43:31,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... [2018-11-23 15:43:31,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:43:31,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:43:31,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:43:31,301 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:43:31,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:43:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:43:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:43:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:43:33,104 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:43:33,104 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 15:43:33,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:33 BoogieIcfgContainer [2018-11-23 15:43:33,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:43:33,105 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:43:33,105 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:43:33,112 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:43:33,112 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:33" (1/1) ... [2018-11-23 15:43:33,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:43:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-23 15:43:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-23 15:43:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 15:43:33,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2018-11-23 15:43:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2018-11-23 15:43:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:43:33,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:43:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:34,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 245 states and 331 transitions. [2018-11-23 15:43:34,335 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2018-11-23 15:43:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 15:43:34,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 251 states and 337 transitions. [2018-11-23 15:43:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2018-11-23 15:43:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 15:43:34,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 254 states and 340 transitions. [2018-11-23 15:43:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 340 transitions. [2018-11-23 15:43:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 15:43:34,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 256 states and 342 transitions. [2018-11-23 15:43:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 342 transitions. [2018-11-23 15:43:34,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 15:43:34,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 273 states and 367 transitions. [2018-11-23 15:43:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2018-11-23 15:43:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 15:43:34,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 291 states and 395 transitions. [2018-11-23 15:43:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 395 transitions. [2018-11-23 15:43:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 15:43:35,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 294 states and 400 transitions. [2018-11-23 15:43:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 400 transitions. [2018-11-23 15:43:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 15:43:35,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:43:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 316 states and 432 transitions. [2018-11-23 15:43:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2018-11-23 15:43:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 15:43:36,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 320 states and 440 transitions. [2018-11-23 15:43:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 440 transitions. [2018-11-23 15:43:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 15:43:36,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 323 states and 443 transitions. [2018-11-23 15:43:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 443 transitions. [2018-11-23 15:43:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 15:43:36,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:36,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 327 states and 448 transitions. [2018-11-23 15:43:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 448 transitions. [2018-11-23 15:43:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 15:43:36,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 350 states and 480 transitions. [2018-11-23 15:43:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 480 transitions. [2018-11-23 15:43:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:43:37,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:37,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 361 states and 494 transitions. [2018-11-23 15:43:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 494 transitions. [2018-11-23 15:43:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 15:43:37,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:43:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 440 states and 581 transitions. [2018-11-23 15:43:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 581 transitions. [2018-11-23 15:43:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 15:43:38,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 462 states and 612 transitions. [2018-11-23 15:43:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 612 transitions. [2018-11-23 15:43:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 15:43:39,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 465 states and 615 transitions. [2018-11-23 15:43:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 615 transitions. [2018-11-23 15:43:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 15:43:39,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 468 states and 618 transitions. [2018-11-23 15:43:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 618 transitions. [2018-11-23 15:43:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 15:43:39,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:39,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 471 states and 621 transitions. [2018-11-23 15:43:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 621 transitions. [2018-11-23 15:43:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 15:43:39,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:43:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 478 states and 629 transitions. [2018-11-23 15:43:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 629 transitions. [2018-11-23 15:43:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 15:43:40,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 488 states and 643 transitions. [2018-11-23 15:43:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 643 transitions. [2018-11-23 15:43:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:43:40,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:40,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 494 states and 650 transitions. [2018-11-23 15:43:40,557 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 650 transitions. [2018-11-23 15:43:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 15:43:40,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:43:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 497 states and 654 transitions. [2018-11-23 15:43:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 654 transitions. [2018-11-23 15:43:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 15:43:40,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:43:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 505 states and 661 transitions. [2018-11-23 15:43:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 661 transitions. [2018-11-23 15:43:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 15:43:40,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:42,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 519 states and 677 transitions. [2018-11-23 15:43:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 677 transitions. [2018-11-23 15:43:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 15:43:42,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 544 states and 706 transitions. [2018-11-23 15:43:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 706 transitions. [2018-11-23 15:43:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 15:43:42,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 559 states and 724 transitions. [2018-11-23 15:43:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 724 transitions. [2018-11-23 15:43:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 15:43:42,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 599 states and 779 transitions. [2018-11-23 15:43:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 779 transitions. [2018-11-23 15:43:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 15:43:44,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 602 states and 782 transitions. [2018-11-23 15:43:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 782 transitions. [2018-11-23 15:43:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 15:43:45,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 620 states and 803 transitions. [2018-11-23 15:43:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 803 transitions. [2018-11-23 15:43:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 15:43:45,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:45,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 622 states and 805 transitions. [2018-11-23 15:43:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 805 transitions. [2018-11-23 15:43:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 15:43:45,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 624 states and 807 transitions. [2018-11-23 15:43:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 807 transitions. [2018-11-23 15:43:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 15:43:45,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:43:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 628 states and 810 transitions. [2018-11-23 15:43:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 810 transitions. [2018-11-23 15:43:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 15:43:45,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:43:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:46,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 641 states and 831 transitions. [2018-11-23 15:43:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 831 transitions. [2018-11-23 15:43:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 15:43:46,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:43:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 647 states and 836 transitions. [2018-11-23 15:43:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 836 transitions. [2018-11-23 15:43:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 15:43:46,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:43:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 651 states and 842 transitions. [2018-11-23 15:43:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 842 transitions. [2018-11-23 15:43:46,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 15:43:46,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 655 states and 849 transitions. [2018-11-23 15:43:46,863 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 849 transitions. [2018-11-23 15:43:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 15:43:46,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 658 states and 852 transitions. [2018-11-23 15:43:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 852 transitions. [2018-11-23 15:43:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 15:43:47,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:43:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 659 states and 852 transitions. [2018-11-23 15:43:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 852 transitions. [2018-11-23 15:43:47,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 15:43:47,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:43:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 664 states and 857 transitions. [2018-11-23 15:43:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 857 transitions. [2018-11-23 15:43:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 15:43:47,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:43:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 665 states and 858 transitions. [2018-11-23 15:43:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 858 transitions. [2018-11-23 15:43:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 15:43:47,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 667 states and 860 transitions. [2018-11-23 15:43:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 860 transitions. [2018-11-23 15:43:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:43:47,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:43:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:48,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 686 states and 882 transitions. [2018-11-23 15:43:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 882 transitions. [2018-11-23 15:43:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 15:43:48,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:48,443 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:43:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 687 states and 883 transitions. [2018-11-23 15:43:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 883 transitions. [2018-11-23 15:43:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 15:43:48,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 15:43:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 694 states and 890 transitions. [2018-11-23 15:43:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 890 transitions. [2018-11-23 15:43:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 15:43:48,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:43:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 711 states and 907 transitions. [2018-11-23 15:43:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 907 transitions. [2018-11-23 15:43:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 15:43:48,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 770 states and 970 transitions. [2018-11-23 15:43:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 970 transitions. [2018-11-23 15:43:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 15:43:51,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:43:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 772 states and 971 transitions. [2018-11-23 15:43:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 971 transitions. [2018-11-23 15:43:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 15:43:51,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 775 states and 975 transitions. [2018-11-23 15:43:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 975 transitions. [2018-11-23 15:43:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 15:43:51,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 15:43:51,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 777 states and 977 transitions. [2018-11-23 15:43:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 977 transitions. [2018-11-23 15:43:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 15:43:51,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 792 states and 993 transitions. [2018-11-23 15:43:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 993 transitions. [2018-11-23 15:43:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 15:43:52,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 15:43:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 799 states and 1000 transitions. [2018-11-23 15:43:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1000 transitions. [2018-11-23 15:43:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:43:52,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 867 states and 1084 transitions. [2018-11-23 15:43:56,382 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1084 transitions. [2018-11-23 15:43:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:43:56,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 870 states and 1087 transitions. [2018-11-23 15:43:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1087 transitions. [2018-11-23 15:43:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:43:56,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 873 states and 1090 transitions. [2018-11-23 15:43:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1090 transitions. [2018-11-23 15:43:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:43:57,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:43:57,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 885 states and 1107 transitions. [2018-11-23 15:43:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1107 transitions. [2018-11-23 15:43:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 15:43:57,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:43:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 904 states and 1134 transitions. [2018-11-23 15:44:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1134 transitions. [2018-11-23 15:44:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 15:44:00,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 907 states and 1137 transitions. [2018-11-23 15:44:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1137 transitions. [2018-11-23 15:44:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:44:00,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:44:01,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 926 states and 1156 transitions. [2018-11-23 15:44:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1156 transitions. [2018-11-23 15:44:01,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:44:01,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:44:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 927 states and 1156 transitions. [2018-11-23 15:44:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1156 transitions. [2018-11-23 15:44:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:44:01,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 15:44:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 939 states and 1167 transitions. [2018-11-23 15:44:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1167 transitions. [2018-11-23 15:44:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 15:44:02,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 964 states and 1195 transitions. [2018-11-23 15:44:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1195 transitions. [2018-11-23 15:44:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 15:44:02,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1001 states and 1238 transitions. [2018-11-23 15:44:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1238 transitions. [2018-11-23 15:44:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 15:44:04,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1019 states and 1256 transitions. [2018-11-23 15:44:05,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1256 transitions. [2018-11-23 15:44:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 15:44:05,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1032 states and 1269 transitions. [2018-11-23 15:44:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1269 transitions. [2018-11-23 15:44:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 15:44:06,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1057 states and 1295 transitions. [2018-11-23 15:44:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1295 transitions. [2018-11-23 15:44:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 15:44:07,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:44:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1064 states and 1301 transitions. [2018-11-23 15:44:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1301 transitions. [2018-11-23 15:44:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 15:44:07,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:07,892 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:44:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1084 states and 1320 transitions. [2018-11-23 15:44:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1320 transitions. [2018-11-23 15:44:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 15:44:08,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 15:44:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1089 states and 1331 transitions. [2018-11-23 15:44:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1331 transitions. [2018-11-23 15:44:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 15:44:08,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 15:44:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1093 states and 1335 transitions. [2018-11-23 15:44:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1335 transitions. [2018-11-23 15:44:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 15:44:08,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:44:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1095 states and 1338 transitions. [2018-11-23 15:44:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1338 transitions. [2018-11-23 15:44:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 15:44:09,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:44:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1125 states and 1368 transitions. [2018-11-23 15:44:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1368 transitions. [2018-11-23 15:44:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 15:44:10,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 15:44:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1145 states and 1391 transitions. [2018-11-23 15:44:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1391 transitions. [2018-11-23 15:44:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:44:10,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 15:44:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1175 states and 1421 transitions. [2018-11-23 15:44:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1421 transitions. [2018-11-23 15:44:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 15:44:11,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:44:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1254 states and 1504 transitions. [2018-11-23 15:44:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1504 transitions. [2018-11-23 15:44:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:44:11,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 15:44:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1267 states and 1518 transitions. [2018-11-23 15:44:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1518 transitions. [2018-11-23 15:44:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:44:12,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:44:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1297 states and 1559 transitions. [2018-11-23 15:44:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1559 transitions. [2018-11-23 15:44:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:44:13,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:44:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:13,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1300 states and 1562 transitions. [2018-11-23 15:44:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1562 transitions. [2018-11-23 15:44:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:44:13,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:44:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1303 states and 1565 transitions. [2018-11-23 15:44:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1565 transitions. [2018-11-23 15:44:14,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 15:44:14,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:14,118 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 15:44:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1308 states and 1573 transitions. [2018-11-23 15:44:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1573 transitions. [2018-11-23 15:44:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 15:44:14,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:44:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1312 states and 1580 transitions. [2018-11-23 15:44:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1580 transitions. [2018-11-23 15:44:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 15:44:16,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-23 15:44:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1313 states and 1580 transitions. [2018-11-23 15:44:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1580 transitions. [2018-11-23 15:44:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 15:44:16,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:44:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:44:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 194 proven. 5 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 15:44:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:44:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1237 states and 1503 transitions. [2018-11-23 15:44:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1503 transitions. [2018-11-23 15:44:16,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:44:16,730 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2018-11-23 15:44:16,738 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:44:19,196 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:44:19,198 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 15:44:19,203 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 15:44:19,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:44:19 ImpRootNode [2018-11-23 15:44:19,203 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:44:19,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:44:19,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:44:19,204 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:44:19,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:33" (3/4) ... [2018-11-23 15:44:19,207 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:44:19,220 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-11-23 15:44:19,221 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 15:44:19,222 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 15:44:19,222 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:44:19,301 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b71d4f57-6f64-4836-bee0-f0b559473619/bin-2019/ukojak/witness.graphml [2018-11-23 15:44:19,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:44:19,302 INFO L168 Benchmark]: Toolchain (without parser) took 48511.33 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 950.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 379.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,302 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:44:19,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 917.7 MB in the beginning and 1.2 GB in the end (delta: -248.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,303 INFO L168 Benchmark]: Boogie Preprocessor took 42.85 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,303 INFO L168 Benchmark]: RCFGBuilder took 1804.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.6 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,303 INFO L168 Benchmark]: CodeCheck took 46098.35 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 920.6 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,304 INFO L168 Benchmark]: Witness Printer took 97.50 ms. Allocated memory is still 2.5 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:19,305 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, 227 locations, 1 error locations. SAFE Result, 43.6s OverallTime, 84 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -670988812 SDtfs, 1584590906 SDslu, -670407016 SDs, 0 SdLazy, -1672066402 SolverSat, 1375457832 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 148.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75297 GetRequests, 73848 SyntacticMatches, 763 SemanticMatches, 686 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337104 ImplicationChecksByTransitivity, 35.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 11530 NumberOfCodeBlocks, 11530 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 11447 ConstructedInterpolants, 0 QuantifiedInterpolants, 4643561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 73 PerfectInterpolantSequences, 6209/6290 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: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a19 == 1) || !(a28 == 7)) || !(a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a11 == 1) || a19 == 1) || !(a28 == 7)) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 917.7 MB in the beginning and 1.2 GB in the end (delta: -248.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.85 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1804.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 920.6 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. * CodeCheck took 46098.35 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 920.6 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 97.50 ms. Allocated memory is still 2.5 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...