./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/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 d21c5ccf8cec8e25a14d9a868b5f3d1150798ab4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:10:42,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:10:42,727 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:10:42,735 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:10:42,735 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:10:42,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:10:42,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:10:42,737 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:10:42,738 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:10:42,739 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:10:42,739 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:10:42,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:10:42,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:10:42,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:10:42,741 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:10:42,742 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:10:42,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:10:42,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:10:42,745 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:10:42,746 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:10:42,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:10:42,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:10:42,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:10:42,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:10:42,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:10:42,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:10:42,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:10:42,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:10:42,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:10:42,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:10:42,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:10:42,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:10:42,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:10:42,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:10:42,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:10:42,754 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:10:42,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:10:42,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:10:42,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:10:42,764 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:10:42,764 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:10:42,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:10:42,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:10:42,765 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:10:42,765 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:10:42,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:10:42,766 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:10:42,766 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:10:42,766 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:10:42,766 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:10:42,766 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:10:42,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:10:42,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:10:42,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:10:42,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:10:42,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:10:42,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:10:42,767 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:10:42,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:10:42,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:10:42,768 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_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/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 -> d21c5ccf8cec8e25a14d9a868b5f3d1150798ab4 [2018-11-18 15:10:42,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:10:42,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:10:42,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:10:42,801 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:10:42,801 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:10:42,802 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c [2018-11-18 15:10:42,836 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/data/681051b49/c25e607a904c4a018ce570c17f27563f/FLAG5fb315283 [2018-11-18 15:10:43,174 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:10:43,174 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/sv-benchmarks/c/eca-rers2012/Problem02_label48_true-unreach-call_false-termination.c [2018-11-18 15:10:43,182 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/data/681051b49/c25e607a904c4a018ce570c17f27563f/FLAG5fb315283 [2018-11-18 15:10:43,193 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/data/681051b49/c25e607a904c4a018ce570c17f27563f [2018-11-18 15:10:43,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:10:43,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:10:43,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:10:43,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:10:43,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:10:43,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be4c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43, skipping insertion in model container [2018-11-18 15:10:43,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:10:43,239 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:10:43,482 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:10:43,485 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:10:43,553 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:10:43,565 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:10:43,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43 WrapperNode [2018-11-18 15:10:43,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:10:43,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:10:43,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:10:43,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:10:43,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:10:43,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:10:43,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:10:43,671 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:10:43,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... [2018-11-18 15:10:43,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:10:43,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:10:43,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:10:43,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:10:43,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:10:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:10:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:10:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:10:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:10:45,266 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:10:45,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:10:45 BoogieIcfgContainer [2018-11-18 15:10:45,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:10:45,267 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:10:45,267 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:10:45,274 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:10:45,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:10:45" (1/1) ... [2018-11-18 15:10:45,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:45,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 15:10:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 15:10:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 15:10:45,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2018-11-18 15:10:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2018-11-18 15:10:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:10:45,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 245 states and 339 transitions. [2018-11-18 15:10:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 339 transitions. [2018-11-18 15:10:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 15:10:46,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:46,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 250 states and 345 transitions. [2018-11-18 15:10:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 345 transitions. [2018-11-18 15:10:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 15:10:46,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 260 states and 360 transitions. [2018-11-18 15:10:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 360 transitions. [2018-11-18 15:10:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:10:46,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 263 states and 363 transitions. [2018-11-18 15:10:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 363 transitions. [2018-11-18 15:10:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 15:10:46,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:10:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 268 states and 371 transitions. [2018-11-18 15:10:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 371 transitions. [2018-11-18 15:10:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:10:47,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:10:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 273 states and 377 transitions. [2018-11-18 15:10:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 377 transitions. [2018-11-18 15:10:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 15:10:47,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 291 states and 403 transitions. [2018-11-18 15:10:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 403 transitions. [2018-11-18 15:10:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:10:47,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 310 states and 429 transitions. [2018-11-18 15:10:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2018-11-18 15:10:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:10:47,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 314 states and 436 transitions. [2018-11-18 15:10:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 436 transitions. [2018-11-18 15:10:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:10:48,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 318 states and 440 transitions. [2018-11-18 15:10:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 440 transitions. [2018-11-18 15:10:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:10:48,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 342 states and 472 transitions. [2018-11-18 15:10:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 472 transitions. [2018-11-18 15:10:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 15:10:48,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 344 states and 474 transitions. [2018-11-18 15:10:48,803 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 474 transitions. [2018-11-18 15:10:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 15:10:48,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:10:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 424 states and 557 transitions. [2018-11-18 15:10:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 557 transitions. [2018-11-18 15:10:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 15:10:49,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:50,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 447 states and 587 transitions. [2018-11-18 15:10:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 587 transitions. [2018-11-18 15:10:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 15:10:50,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 451 states and 591 transitions. [2018-11-18 15:10:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 591 transitions. [2018-11-18 15:10:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 15:10:50,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 455 states and 595 transitions. [2018-11-18 15:10:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 595 transitions. [2018-11-18 15:10:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 15:10:50,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 461 states and 601 transitions. [2018-11-18 15:10:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 601 transitions. [2018-11-18 15:10:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 15:10:50,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 466 states and 607 transitions. [2018-11-18 15:10:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 607 transitions. [2018-11-18 15:10:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:10:50,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:10:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 468 states and 609 transitions. [2018-11-18 15:10:50,923 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 609 transitions. [2018-11-18 15:10:50,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 15:10:50,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 479 states and 624 transitions. [2018-11-18 15:10:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 624 transitions. [2018-11-18 15:10:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:10:51,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:10:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 488 states and 634 transitions. [2018-11-18 15:10:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 634 transitions. [2018-11-18 15:10:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 15:10:51,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 498 states and 648 transitions. [2018-11-18 15:10:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 648 transitions. [2018-11-18 15:10:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 15:10:52,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:10:52,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 501 states and 652 transitions. [2018-11-18 15:10:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 652 transitions. [2018-11-18 15:10:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 15:10:52,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:10:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 509 states and 659 transitions. [2018-11-18 15:10:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 659 transitions. [2018-11-18 15:10:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:10:52,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 523 states and 675 transitions. [2018-11-18 15:10:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 675 transitions. [2018-11-18 15:10:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:10:53,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 565 states and 732 transitions. [2018-11-18 15:10:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 732 transitions. [2018-11-18 15:10:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:10:55,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:55,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 569 states and 736 transitions. [2018-11-18 15:10:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 736 transitions. [2018-11-18 15:10:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 15:10:55,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:10:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 570 states and 737 transitions. [2018-11-18 15:10:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 737 transitions. [2018-11-18 15:10:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 15:10:55,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:10:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 591 states and 760 transitions. [2018-11-18 15:10:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2018-11-18 15:10:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 15:10:55,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 595 states and 764 transitions. [2018-11-18 15:10:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 764 transitions. [2018-11-18 15:10:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 15:10:56,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 612 states and 784 transitions. [2018-11-18 15:10:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 784 transitions. [2018-11-18 15:10:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 15:10:56,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 617 states and 790 transitions. [2018-11-18 15:10:56,460 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 790 transitions. [2018-11-18 15:10:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:10:56,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:10:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 618 states and 792 transitions. [2018-11-18 15:10:56,686 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 792 transitions. [2018-11-18 15:10:56,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:10:56,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 620 states and 794 transitions. [2018-11-18 15:10:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 794 transitions. [2018-11-18 15:10:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 15:10:56,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:10:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 622 states and 796 transitions. [2018-11-18 15:10:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 796 transitions. [2018-11-18 15:10:56,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 15:10:56,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:10:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 627 states and 801 transitions. [2018-11-18 15:10:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 801 transitions. [2018-11-18 15:10:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 15:10:56,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:10:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 631 states and 804 transitions. [2018-11-18 15:10:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 804 transitions. [2018-11-18 15:10:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 15:10:56,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 15:10:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 683 states and 867 transitions. [2018-11-18 15:10:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 867 transitions. [2018-11-18 15:10:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 15:10:57,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:10:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 684 states and 868 transitions. [2018-11-18 15:10:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 868 transitions. [2018-11-18 15:10:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:10:58,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:10:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 690 states and 873 transitions. [2018-11-18 15:10:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 873 transitions. [2018-11-18 15:10:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 15:10:58,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:10:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 696 states and 878 transitions. [2018-11-18 15:10:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 878 transitions. [2018-11-18 15:10:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 15:10:58,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:10:58,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 725 states and 910 transitions. [2018-11-18 15:10:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 910 transitions. [2018-11-18 15:10:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 15:10:58,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:10:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 744 states and 932 transitions. [2018-11-18 15:10:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 932 transitions. [2018-11-18 15:10:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:10:59,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:10:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 745 states and 933 transitions. [2018-11-18 15:10:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 933 transitions. [2018-11-18 15:10:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:10:59,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 15:10:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:59,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 752 states and 940 transitions. [2018-11-18 15:10:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 940 transitions. [2018-11-18 15:10:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 15:10:59,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:10:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:10:59,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 755 states and 942 transitions. [2018-11-18 15:10:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 942 transitions. [2018-11-18 15:10:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 15:10:59,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:10:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:11:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 785 states and 978 transitions. [2018-11-18 15:11:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 978 transitions. [2018-11-18 15:11:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 15:11:00,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:11:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 802 states and 995 transitions. [2018-11-18 15:11:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 995 transitions. [2018-11-18 15:11:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 15:11:00,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 832 states and 1026 transitions. [2018-11-18 15:11:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1026 transitions. [2018-11-18 15:11:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 15:11:00,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:11:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 842 states and 1036 transitions. [2018-11-18 15:11:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1036 transitions. [2018-11-18 15:11:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 15:11:01,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 859 states and 1058 transitions. [2018-11-18 15:11:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1058 transitions. [2018-11-18 15:11:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 15:11:01,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 863 states and 1062 transitions. [2018-11-18 15:11:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1062 transitions. [2018-11-18 15:11:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 15:11:02,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 865 states and 1064 transitions. [2018-11-18 15:11:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1064 transitions. [2018-11-18 15:11:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 15:11:02,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:11:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 945 states and 1149 transitions. [2018-11-18 15:11:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1149 transitions. [2018-11-18 15:11:02,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:11:02,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 956 states and 1167 transitions. [2018-11-18 15:11:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1167 transitions. [2018-11-18 15:11:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:11:03,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 960 states and 1173 transitions. [2018-11-18 15:11:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1173 transitions. [2018-11-18 15:11:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 15:11:03,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 15:11:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:03,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 961 states and 1175 transitions. [2018-11-18 15:11:03,785 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1175 transitions. [2018-11-18 15:11:03,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 15:11:03,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 983 states and 1199 transitions. [2018-11-18 15:11:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1199 transitions. [2018-11-18 15:11:03,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 15:11:03,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 986 states and 1207 transitions. [2018-11-18 15:11:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1207 transitions. [2018-11-18 15:11:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 15:11:03,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 15:11:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:04,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 988 states and 1209 transitions. [2018-11-18 15:11:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1209 transitions. [2018-11-18 15:11:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 15:11:04,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1000 states and 1224 transitions. [2018-11-18 15:11:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1224 transitions. [2018-11-18 15:11:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 15:11:04,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1004 states and 1229 transitions. [2018-11-18 15:11:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1229 transitions. [2018-11-18 15:11:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 15:11:04,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1029 states and 1264 transitions. [2018-11-18 15:11:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1264 transitions. [2018-11-18 15:11:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 15:11:06,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:07,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1037 states and 1273 transitions. [2018-11-18 15:11:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1273 transitions. [2018-11-18 15:11:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 15:11:07,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:11:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1050 states and 1285 transitions. [2018-11-18 15:11:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1285 transitions. [2018-11-18 15:11:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:11:07,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1075 states and 1310 transitions. [2018-11-18 15:11:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1310 transitions. [2018-11-18 15:11:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:11:08,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:11:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1092 states and 1326 transitions. [2018-11-18 15:11:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1326 transitions. [2018-11-18 15:11:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:11:08,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1102 states and 1338 transitions. [2018-11-18 15:11:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1338 transitions. [2018-11-18 15:11:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 15:11:09,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:11:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1108 states and 1343 transitions. [2018-11-18 15:11:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1343 transitions. [2018-11-18 15:11:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:11:09,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 15:11:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1147 states and 1391 transitions. [2018-11-18 15:11:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1391 transitions. [2018-11-18 15:11:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:11:10,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:11:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1161 states and 1405 transitions. [2018-11-18 15:11:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1405 transitions. [2018-11-18 15:11:10,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 15:11:10,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1177 states and 1426 transitions. [2018-11-18 15:11:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1426 transitions. [2018-11-18 15:11:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 15:11:11,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1179 states and 1428 transitions. [2018-11-18 15:11:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1428 transitions. [2018-11-18 15:11:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 15:11:11,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1181 states and 1430 transitions. [2018-11-18 15:11:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1430 transitions. [2018-11-18 15:11:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 15:11:11,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 15:11:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1192 states and 1451 transitions. [2018-11-18 15:11:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1451 transitions. [2018-11-18 15:11:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 15:11:12,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 15:11:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1196 states and 1457 transitions. [2018-11-18 15:11:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1457 transitions. [2018-11-18 15:11:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:11:13,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:11:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1228 states and 1489 transitions. [2018-11-18 15:11:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1489 transitions. [2018-11-18 15:11:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 15:11:13,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 15:11:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1260 states and 1523 transitions. [2018-11-18 15:11:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1523 transitions. [2018-11-18 15:11:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 15:11:13,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 15:11:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1263 states and 1525 transitions. [2018-11-18 15:11:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1525 transitions. [2018-11-18 15:11:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 15:11:13,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1278 states and 1540 transitions. [2018-11-18 15:11:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1540 transitions. [2018-11-18 15:11:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:11:14,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 15:11:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1283 states and 1548 transitions. [2018-11-18 15:11:14,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1548 transitions. [2018-11-18 15:11:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:11:14,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:11:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1310 states and 1577 transitions. [2018-11-18 15:11:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1577 transitions. [2018-11-18 15:11:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:11:15,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:11:15,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1314 states and 1581 transitions. [2018-11-18 15:11:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1581 transitions. [2018-11-18 15:11:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:11:15,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:11:15,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1318 states and 1585 transitions. [2018-11-18 15:11:15,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1585 transitions. [2018-11-18 15:11:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 15:11:15,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 126 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 15:11:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1382 states and 1653 transitions. [2018-11-18 15:11:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1653 transitions. [2018-11-18 15:11:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 15:11:16,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:11:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1397 states and 1668 transitions. [2018-11-18 15:11:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1668 transitions. [2018-11-18 15:11:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:11:17,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:11:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1403 states and 1678 transitions. [2018-11-18 15:11:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1678 transitions. [2018-11-18 15:11:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:11:17,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:11:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1428 states and 1708 transitions. [2018-11-18 15:11:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1708 transitions. [2018-11-18 15:11:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:11:18,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:11:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1432 states and 1712 transitions. [2018-11-18 15:11:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1712 transitions. [2018-11-18 15:11:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:11:18,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:11:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1436 states and 1716 transitions. [2018-11-18 15:11:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1716 transitions. [2018-11-18 15:11:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 15:11:18,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 15:11:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1442 states and 1721 transitions. [2018-11-18 15:11:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1721 transitions. [2018-11-18 15:11:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 15:11:19,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 15:11:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1449 states and 1728 transitions. [2018-11-18 15:11:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1728 transitions. [2018-11-18 15:11:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 15:11:19,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:11:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1466 states and 1745 transitions. [2018-11-18 15:11:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1745 transitions. [2018-11-18 15:11:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 15:11:19,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:11:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1504 states and 1785 transitions. [2018-11-18 15:11:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1785 transitions. [2018-11-18 15:11:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 15:11:20,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:11:20,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1505 states and 1785 transitions. [2018-11-18 15:11:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1785 transitions. [2018-11-18 15:11:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 15:11:20,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 15:11:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1508 states and 1787 transitions. [2018-11-18 15:11:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1787 transitions. [2018-11-18 15:11:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 15:11:20,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:11:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1513 states and 1794 transitions. [2018-11-18 15:11:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1794 transitions. [2018-11-18 15:11:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 15:11:20,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:11:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1517 states and 1799 transitions. [2018-11-18 15:11:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1799 transitions. [2018-11-18 15:11:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 15:11:21,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-18 15:11:24,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1581 states and 1870 transitions. [2018-11-18 15:11:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1870 transitions. [2018-11-18 15:11:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 15:11:24,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-18 15:11:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1585 states and 1874 transitions. [2018-11-18 15:11:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1874 transitions. [2018-11-18 15:11:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 15:11:25,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 15:11:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1661 states and 1952 transitions. [2018-11-18 15:11:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1952 transitions. [2018-11-18 15:11:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 15:11:25,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 15:11:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1678 states and 1971 transitions. [2018-11-18 15:11:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 1971 transitions. [2018-11-18 15:11:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 15:11:26,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:11:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 17 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 15:11:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:11:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1613 states and 1905 transitions. [2018-11-18 15:11:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 1905 transitions. [2018-11-18 15:11:26,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:11:26,503 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 105 iterations. [2018-11-18 15:11:26,509 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:11:27,702 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 15 [2018-11-18 15:11:29,104 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 15 [2018-11-18 15:11:29,312 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 15 [2018-11-18 15:11:29,467 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:11:29,469 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 15:11:29,474 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 15:11:29,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:11:29 ImpRootNode [2018-11-18 15:11:29,475 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:11:29,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:11:29,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:11:29,475 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:11:29,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:10:45" (3/4) ... [2018-11-18 15:11:29,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:11:29,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 15:11:29,496 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 15:11:29,497 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 15:11:29,498 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:11:29,580 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d03a0a46-bb4e-4dbf-aa72-9b506b5f10f1/bin-2019/ukojak/witness.graphml [2018-11-18 15:11:29,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:11:29,581 INFO L168 Benchmark]: Toolchain (without parser) took 46385.12 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -119.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,581 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:11:29,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.54 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 918.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -242.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,582 INFO L168 Benchmark]: Boogie Preprocessor took 41.68 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,582 INFO L168 Benchmark]: RCFGBuilder took 1553.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 915.7 MB in the end (delta: 239.2 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,582 INFO L168 Benchmark]: CodeCheck took 44207.67 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 915.7 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,582 INFO L168 Benchmark]: Witness Printer took 104.72 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:11:29,584 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 41.2s OverallTime, 105 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1752662444 SDtfs, 1393693188 SDslu, 2099154496 SDs, 0 SdLazy, 1521733236 SolverSat, -1710147876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 214.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102534 GetRequests, 101259 SyntacticMatches, 609 SemanticMatches, 666 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310199 ImplicationChecksByTransitivity, 31.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 16044 NumberOfCodeBlocks, 16044 NumberOfCodeBlocksAsserted, 104 NumberOfCheckSat, 15940 ConstructedInterpolants, 0 QuantifiedInterpolants, 5522112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 104 InterpolantComputations, 87 PerfectInterpolantSequences, 10726/10888 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: 583]: 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: ((a25 == 1 || !(a11 == 1)) || !(a17 == 8)) || !(a28 == 11) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a25 == 1 || !(a11 == 1)) || !(a28 == 11)) || !(a17 == 8) * 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 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.54 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 918.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -242.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.68 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1553.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 915.7 MB in the end (delta: 239.2 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. * CodeCheck took 44207.67 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 915.7 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 104.72 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...