./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:35:24,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:35:24,878 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:35:24,884 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:35:24,884 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:35:24,885 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:35:24,885 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:35:24,886 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:35:24,887 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:35:24,888 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:35:24,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:35:24,888 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:35:24,889 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:35:24,889 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:35:24,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:35:24,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:35:24,891 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:35:24,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:35:24,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:35:24,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:35:24,894 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:35:24,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:35:24,896 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:35:24,896 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:35:24,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:35:24,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:35:24,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:35:24,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:35:24,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:35:24,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:35:24,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:35:24,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:35:24,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:35:24,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:35:24,900 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:35:24,900 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:35:24,901 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:35:24,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:35:24,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:35:24,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:35:24,909 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:35:24,909 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:35:24,909 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:35:24,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:35:24,909 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:35:24,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:35:24,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:35:24,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:35:24,911 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:35:24,911 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:35:24,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:35:24,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:35:24,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:35:24,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:35:24,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:35:24,912 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:35:24,912 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:35:24,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:35:24,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:35:24,912 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_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2018-12-09 12:35:24,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:35:24,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:35:24,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:35:24,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:35:24,939 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:35:24,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-12-09 12:35:24,975 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/data/4abcd9abc/7c4c22a6eb6a439c89424345c812a0f3/FLAG8c7bb175b [2018-12-09 12:35:25,476 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:35:25,477 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-12-09 12:35:25,484 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/data/4abcd9abc/7c4c22a6eb6a439c89424345c812a0f3/FLAG8c7bb175b [2018-12-09 12:35:25,492 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/data/4abcd9abc/7c4c22a6eb6a439c89424345c812a0f3 [2018-12-09 12:35:25,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:35:25,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:35:25,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:35:25,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:35:25,497 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:35:25,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25, skipping insertion in model container [2018-12-09 12:35:25,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:35:25,529 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:35:25,709 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:35:25,713 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:35:25,762 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:35:25,815 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:35:25,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25 WrapperNode [2018-12-09 12:35:25,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:35:25,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:35:25,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:35:25,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:35:25,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:35:25,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:35:25,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:35:25,858 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:35:25,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... [2018-12-09 12:35:25,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:35:25,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:35:25,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:35:25,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:35:25,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/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 [2018-12-09 12:35:25,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:35:25,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:35:26,891 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:35:26,891 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 12:35:26,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:26 BoogieIcfgContainer [2018-12-09 12:35:26,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:35:26,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:35:26,892 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:35:26,900 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:35:26,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:26" (1/1) ... [2018-12-09 12:35:26,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:35:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 12:35:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 12:35:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 12:35:26,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-09 12:35:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-09 12:35:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:35:27,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:35:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-09 12:35:27,628 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-09 12:35:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 12:35:27,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-09 12:35:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-09 12:35:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 12:35:27,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:35:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 227 states and 319 transitions. [2018-12-09 12:35:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 319 transitions. [2018-12-09 12:35:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 12:35:28,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:35:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 260 states and 358 transitions. [2018-12-09 12:35:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 358 transitions. [2018-12-09 12:35:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 12:35:28,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 12:35:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 270 states and 375 transitions. [2018-12-09 12:35:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 375 transitions. [2018-12-09 12:35:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:35:29,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 281 states and 393 transitions. [2018-12-09 12:35:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 393 transitions. [2018-12-09 12:35:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:35:29,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 286 states and 400 transitions. [2018-12-09 12:35:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 400 transitions. [2018-12-09 12:35:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:35:30,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 288 states and 402 transitions. [2018-12-09 12:35:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 402 transitions. [2018-12-09 12:35:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 12:35:30,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 292 states and 406 transitions. [2018-12-09 12:35:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 406 transitions. [2018-12-09 12:35:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 12:35:30,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 331 states and 449 transitions. [2018-12-09 12:35:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 449 transitions. [2018-12-09 12:35:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 12:35:30,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:35:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 345 states and 465 transitions. [2018-12-09 12:35:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 465 transitions. [2018-12-09 12:35:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 12:35:30,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 349 states and 472 transitions. [2018-12-09 12:35:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 472 transitions. [2018-12-09 12:35:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 12:35:31,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 350 states and 472 transitions. [2018-12-09 12:35:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 472 transitions. [2018-12-09 12:35:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 12:35:31,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 352 states and 474 transitions. [2018-12-09 12:35:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 474 transitions. [2018-12-09 12:35:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 12:35:31,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 359 states and 483 transitions. [2018-12-09 12:35:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 483 transitions. [2018-12-09 12:35:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 12:35:31,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 364 states and 490 transitions. [2018-12-09 12:35:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 490 transitions. [2018-12-09 12:35:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 12:35:31,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 407 states and 540 transitions. [2018-12-09 12:35:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 540 transitions. [2018-12-09 12:35:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 12:35:32,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:35:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 414 states and 549 transitions. [2018-12-09 12:35:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 549 transitions. [2018-12-09 12:35:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 12:35:32,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 423 states and 562 transitions. [2018-12-09 12:35:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 562 transitions. [2018-12-09 12:35:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 12:35:32,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 427 states and 567 transitions. [2018-12-09 12:35:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 567 transitions. [2018-12-09 12:35:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 12:35:32,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 12:35:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 428 states and 567 transitions. [2018-12-09 12:35:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 567 transitions. [2018-12-09 12:35:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 12:35:33,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:35:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 432 states and 571 transitions. [2018-12-09 12:35:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 571 transitions. [2018-12-09 12:35:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 12:35:33,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 450 states and 593 transitions. [2018-12-09 12:35:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 593 transitions. [2018-12-09 12:35:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 12:35:33,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 514 states and 659 transitions. [2018-12-09 12:35:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 659 transitions. [2018-12-09 12:35:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:35:35,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 536 states and 691 transitions. [2018-12-09 12:35:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 691 transitions. [2018-12-09 12:35:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:35:36,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 537 states and 691 transitions. [2018-12-09 12:35:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 691 transitions. [2018-12-09 12:35:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:35:37,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 541 states and 695 transitions. [2018-12-09 12:35:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 695 transitions. [2018-12-09 12:35:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:35:37,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:35:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 596 states and 755 transitions. [2018-12-09 12:35:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 755 transitions. [2018-12-09 12:35:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:35:40,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-09 12:35:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 604 states and 767 transitions. [2018-12-09 12:35:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 767 transitions. [2018-12-09 12:35:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:35:40,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-09 12:35:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 605 states and 769 transitions. [2018-12-09 12:35:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 769 transitions. [2018-12-09 12:35:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:35:41,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 659 states and 836 transitions. [2018-12-09 12:35:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 836 transitions. [2018-12-09 12:35:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:35:43,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 678 states and 854 transitions. [2018-12-09 12:35:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 854 transitions. [2018-12-09 12:35:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:35:43,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:35:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 696 states and 872 transitions. [2018-12-09 12:35:43,959 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 872 transitions. [2018-12-09 12:35:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:35:43,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:35:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 700 states and 875 transitions. [2018-12-09 12:35:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 875 transitions. [2018-12-09 12:35:44,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 12:35:44,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:35:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 707 states and 885 transitions. [2018-12-09 12:35:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 885 transitions. [2018-12-09 12:35:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 12:35:44,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:35:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 776 states and 955 transitions. [2018-12-09 12:35:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 955 transitions. [2018-12-09 12:35:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 12:35:46,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 12:35:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 781 states and 964 transitions. [2018-12-09 12:35:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 964 transitions. [2018-12-09 12:35:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 12:35:46,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 12:35:47,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 787 states and 970 transitions. [2018-12-09 12:35:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 970 transitions. [2018-12-09 12:35:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 12:35:47,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 830 states and 1016 transitions. [2018-12-09 12:35:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1016 transitions. [2018-12-09 12:35:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 12:35:47,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 834 states and 1019 transitions. [2018-12-09 12:35:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1019 transitions. [2018-12-09 12:35:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 12:35:47,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 12:35:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 908 states and 1099 transitions. [2018-12-09 12:35:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1099 transitions. [2018-12-09 12:35:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 12:35:48,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:35:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 935 states and 1132 transitions. [2018-12-09 12:35:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1132 transitions. [2018-12-09 12:35:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 12:35:48,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 141 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 12:35:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1006 states and 1223 transitions. [2018-12-09 12:35:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1223 transitions. [2018-12-09 12:35:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 12:35:52,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 141 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 12:35:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1033 states and 1250 transitions. [2018-12-09 12:35:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1250 transitions. [2018-12-09 12:35:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 12:35:54,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:56,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1078 states and 1311 transitions. [2018-12-09 12:35:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1311 transitions. [2018-12-09 12:35:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 12:35:56,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1089 states and 1325 transitions. [2018-12-09 12:35:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1325 transitions. [2018-12-09 12:35:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 12:35:56,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1090 states and 1326 transitions. [2018-12-09 12:35:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1326 transitions. [2018-12-09 12:35:56,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 12:35:56,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1093 states and 1330 transitions. [2018-12-09 12:35:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1330 transitions. [2018-12-09 12:35:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 12:35:56,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:56,717 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 12:35:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1094 states and 1331 transitions. [2018-12-09 12:35:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1331 transitions. [2018-12-09 12:35:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 12:35:56,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 12:35:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1114 states and 1354 transitions. [2018-12-09 12:35:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1354 transitions. [2018-12-09 12:35:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 12:35:57,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 12:35:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1118 states and 1357 transitions. [2018-12-09 12:35:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1357 transitions. [2018-12-09 12:35:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 12:35:57,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 12:35:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:35:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1120 states and 1359 transitions. [2018-12-09 12:35:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1359 transitions. [2018-12-09 12:35:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 12:35:57,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:35:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:35:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 12:36:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1128 states and 1371 transitions. [2018-12-09 12:36:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1371 transitions. [2018-12-09 12:36:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 12:36:00,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 12:36:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1129 states and 1373 transitions. [2018-12-09 12:36:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1373 transitions. [2018-12-09 12:36:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 12:36:00,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 12:36:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1130 states and 1373 transitions. [2018-12-09 12:36:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1373 transitions. [2018-12-09 12:36:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 12:36:00,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 12:36:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:00,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1133 states and 1377 transitions. [2018-12-09 12:36:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1377 transitions. [2018-12-09 12:36:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 12:36:00,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 12:36:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1192 states and 1452 transitions. [2018-12-09 12:36:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1452 transitions. [2018-12-09 12:36:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 12:36:06,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 12:36:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1205 states and 1464 transitions. [2018-12-09 12:36:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1464 transitions. [2018-12-09 12:36:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 12:36:08,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:36:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1251 states and 1516 transitions. [2018-12-09 12:36:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1516 transitions. [2018-12-09 12:36:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 12:36:11,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:36:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1255 states and 1519 transitions. [2018-12-09 12:36:12,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1519 transitions. [2018-12-09 12:36:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 12:36:12,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 12:36:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1259 states and 1526 transitions. [2018-12-09 12:36:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1526 transitions. [2018-12-09 12:36:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-09 12:36:13,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:15,437 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 12:36:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-09 12:36:17,985 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 12:36:19,642 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-09 12:36:20,801 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 12:36:23,258 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:36:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1311 states and 1588 transitions. [2018-12-09 12:36:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1588 transitions. [2018-12-09 12:36:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-09 12:36:27,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-09 12:36:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1315 states and 1592 transitions. [2018-12-09 12:36:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1592 transitions. [2018-12-09 12:36:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 12:36:27,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 209 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:36:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1364 states and 1650 transitions. [2018-12-09 12:36:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1650 transitions. [2018-12-09 12:36:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 12:36:32,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 209 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:36:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1368 states and 1653 transitions. [2018-12-09 12:36:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1653 transitions. [2018-12-09 12:36:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-09 12:36:33,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-09 12:36:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1438 states and 1726 transitions. [2018-12-09 12:36:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1726 transitions. [2018-12-09 12:36:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:36:34,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 12:36:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1442 states and 1736 transitions. [2018-12-09 12:36:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1736 transitions. [2018-12-09 12:36:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 12:36:36,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 269 proven. 52 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:36:39,976 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:36:40,304 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:36:45,769 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-09 12:36:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1479 states and 1781 transitions. [2018-12-09 12:36:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1781 transitions. [2018-12-09 12:36:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 12:36:47,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 269 proven. 52 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:36:49,271 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 12:36:50,615 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:36:50,930 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-12-09 12:36:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:36:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1484 states and 1787 transitions. [2018-12-09 12:36:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1787 transitions. [2018-12-09 12:36:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 12:36:53,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:36:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 12:37:00,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1588 states and 1906 transitions. [2018-12-09 12:37:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1906 transitions. [2018-12-09 12:37:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:37:00,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:37:09,255 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-09 12:37:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1646 states and 1969 transitions. [2018-12-09 12:37:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1969 transitions. [2018-12-09 12:37:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:37:11,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:37:15,404 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-12-09 12:37:15,700 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:37:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1702 states and 2028 transitions. [2018-12-09 12:37:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2028 transitions. [2018-12-09 12:37:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:37:21,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:37:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1720 states and 2048 transitions. [2018-12-09 12:37:23,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2048 transitions. [2018-12-09 12:37:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:37:23,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:37:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1733 states and 2061 transitions. [2018-12-09 12:37:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2061 transitions. [2018-12-09 12:37:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:37:26,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:37:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1735 states and 2062 transitions. [2018-12-09 12:37:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2062 transitions. [2018-12-09 12:37:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:37:26,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 12:37:30,032 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:37:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1804 states and 2133 transitions. [2018-12-09 12:37:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2133 transitions. [2018-12-09 12:37:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 12:37:30,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 12:37:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1870 states and 2206 transitions. [2018-12-09 12:37:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2206 transitions. [2018-12-09 12:37:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 12:37:34,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 12:37:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1882 states and 2217 transitions. [2018-12-09 12:37:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2217 transitions. [2018-12-09 12:37:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 12:37:34,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 12:37:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1911 states and 2244 transitions. [2018-12-09 12:37:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2244 transitions. [2018-12-09 12:37:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 12:37:36,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 12:37:41,048 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 12:37:43,541 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:37:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1954 states and 2295 transitions. [2018-12-09 12:37:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2295 transitions. [2018-12-09 12:37:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 12:37:47,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 12:37:50,644 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:37:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:37:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1972 states and 2313 transitions. [2018-12-09 12:37:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2313 transitions. [2018-12-09 12:37:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-09 12:37:51,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:37:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:37:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 386 proven. 85 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:37:58,414 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 12:38:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2033 states and 2378 transitions. [2018-12-09 12:38:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2378 transitions. [2018-12-09 12:38:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 12:38:00,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 12:38:08,970 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 12:38:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2136 states and 2485 transitions. [2018-12-09 12:38:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2485 transitions. [2018-12-09 12:38:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 12:38:10,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:38:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2184 states and 2535 transitions. [2018-12-09 12:38:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2535 transitions. [2018-12-09 12:38:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:38:17,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:38:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:22,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2257 states and 2608 transitions. [2018-12-09 12:38:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2608 transitions. [2018-12-09 12:38:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:38:22,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:38:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2298 states and 2652 transitions. [2018-12-09 12:38:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2652 transitions. [2018-12-09 12:38:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:38:40,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:38:42,285 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2018-12-09 12:38:42,675 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 12:38:44,839 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 12:38:45,180 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-12-09 12:38:45,638 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 12:38:46,644 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2018-12-09 12:38:47,039 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 12:38:49,471 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 12:38:50,875 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 12:38:52,895 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 12:38:53,432 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 12:38:54,752 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 12:38:55,487 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 12:38:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2342 states and 2696 transitions. [2018-12-09 12:38:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2696 transitions. [2018-12-09 12:38:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:38:57,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:38:58,567 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 12:38:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:38:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2346 states and 2700 transitions. [2018-12-09 12:38:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2700 transitions. [2018-12-09 12:38:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 12:38:58,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:38:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:38:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 12:39:02,709 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-09 12:39:05,183 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 12:39:05,776 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-09 12:39:06,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:06,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2360 states and 2713 transitions. [2018-12-09 12:39:06,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2713 transitions. [2018-12-09 12:39:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:39:06,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 365 proven. 41 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-09 12:39:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2365 states and 2721 transitions. [2018-12-09 12:39:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2721 transitions. [2018-12-09 12:39:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:39:13,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:39:20,143 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 12:39:20,716 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 12:39:23,906 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 12:39:25,651 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-09 12:39:27,459 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 12:39:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2406 states and 2766 transitions. [2018-12-09 12:39:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2766 transitions. [2018-12-09 12:39:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:39:28,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:39:32,406 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-09 12:39:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2422 states and 2782 transitions. [2018-12-09 12:39:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2782 transitions. [2018-12-09 12:39:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:39:34,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:39:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2426 states and 2785 transitions. [2018-12-09 12:39:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2785 transitions. [2018-12-09 12:39:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:39:36,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:39:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2427 states and 2785 transitions. [2018-12-09 12:39:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2785 transitions. [2018-12-09 12:39:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 12:39:36,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-09 12:39:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2564 states and 2930 transitions. [2018-12-09 12:39:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 2930 transitions. [2018-12-09 12:39:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 12:39:46,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-09 12:39:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2565 states and 2930 transitions. [2018-12-09 12:39:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 2930 transitions. [2018-12-09 12:39:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 12:39:47,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:39:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:39:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 12:39:48,386 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-09 12:39:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:39:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2489 states and 2849 transitions. [2018-12-09 12:39:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2849 transitions. [2018-12-09 12:39:52,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:39:52,059 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 99 iterations. [2018-12-09 12:39:52,065 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 12:39:52,247 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 48 [2018-12-09 12:39:52,375 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-09 12:39:52,628 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 50 [2018-12-09 12:39:52,758 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-09 12:39:52,949 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2018-12-09 12:39:53,176 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-09 12:39:53,289 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 25 [2018-12-09 12:39:53,425 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 35 [2018-12-09 12:39:53,701 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 50 [2018-12-09 12:39:54,169 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-09 12:39:54,329 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2018-12-09 12:39:54,444 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2018-12-09 12:39:54,597 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 35 [2018-12-09 12:39:54,754 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2018-12-09 12:39:55,068 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 47 [2018-12-09 12:39:55,439 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 50 [2018-12-09 12:39:55,584 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-09 12:39:55,774 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2018-12-09 12:39:55,948 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-09 12:39:56,178 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2018-12-09 12:39:56,304 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2018-12-09 12:39:56,440 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2018-12-09 12:39:56,688 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 48 [2018-12-09 12:39:56,892 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-09 12:39:57,016 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2018-12-09 12:39:57,201 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-12-09 12:39:57,402 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-09 12:39:57,594 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2018-12-09 12:39:57,743 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2018-12-09 12:39:57,916 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-09 12:39:58,129 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-09 12:39:58,306 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2018-12-09 12:39:58,412 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 43 [2018-12-09 12:39:58,673 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 46 [2018-12-09 12:39:58,779 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 25 [2018-12-09 12:39:59,002 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2018-12-09 12:39:59,130 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 43 [2018-12-09 12:39:59,350 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 46 [2018-12-09 12:39:59,574 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 48 [2018-12-09 12:39:59,802 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2018-12-09 12:39:59,988 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 54 [2018-12-09 12:40:00,209 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-09 12:40:00,337 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-12-09 12:40:00,566 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 48 [2018-12-09 12:40:00,828 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2018-12-09 12:40:01,031 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2018-12-09 12:40:01,215 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-09 12:40:01,355 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2018-12-09 12:40:01,355 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:40:01,357 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-09 12:40:01,362 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-09 12:40:01,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:40:01 ImpRootNode [2018-12-09 12:40:01,363 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:40:01,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:40:01,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:40:01,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:40:01,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:26" (3/4) ... [2018-12-09 12:40:01,366 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:40:01,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 12:40:01,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 12:40:01,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 12:40:01,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:40:01,431 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_12ebd9b7-e286-4a73-b303-d037ba6e0bfe/bin-2019/ukojak/witness.graphml [2018-12-09 12:40:01,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:40:01,432 INFO L168 Benchmark]: Toolchain (without parser) took 275937.80 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 615.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -219.1 MB). Peak memory consumption was 396.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,432 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:40:01,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,433 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,433 INFO L168 Benchmark]: RCFGBuilder took 1005.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.1 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,433 INFO L168 Benchmark]: CodeCheck took 274470.60 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 498.1 MB). Free memory was 872.1 MB in the beginning and 1.2 GB in the end (delta: -329.1 MB). Peak memory consumption was 810.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,433 INFO L168 Benchmark]: Witness Printer took 68.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:40:01,435 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, 198 locations, 1 error locations. SAFE Result, 265.1s OverallTime, 99 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1758191908 SDtfs, -1488978210 SDslu, -859929390 SDs, 0 SdLazy, 1933611636 SolverSat, -1296471632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 372.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134106 GetRequests, 129485 SyntacticMatches, 3205 SemanticMatches, 1416 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556205 ImplicationChecksByTransitivity, 241.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 26.6s InterpolantComputationTime, 20030 NumberOfCodeBlocks, 20030 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 19932 ConstructedInterpolants, 0 QuantifiedInterpolants, 30708500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 74 PerfectInterpolantSequences, 26962/27906 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: 548]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a8 == 13)) || a20 == 1) || ((((!(a21 == 1) && a7 == 1) && a16 == 4) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a8 == 13) || a20 == 1) || !(a17 == 1)) || ((((!(a21 == 1) && a7 == 1) && a16 == 4) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1005.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 872.1 MB in the end (delta: 218.5 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. * CodeCheck took 274470.60 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 498.1 MB). Free memory was 872.1 MB in the beginning and 1.2 GB in the end (delta: -329.1 MB). Peak memory consumption was 810.9 MB. Max. memory is 11.5 GB. * Witness Printer took 68.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...