./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/realloc1_false-valid-deref.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/realloc1_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 937cfa07aecfb3a07a3e6e685c2e5e481fbe44b8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:56:07,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:56:07,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:56:07,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:56:07,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:56:07,898 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:56:07,899 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:56:07,900 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:56:07,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:56:07,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:56:07,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:56:07,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:56:07,902 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:56:07,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:56:07,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:56:07,903 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:56:07,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:56:07,904 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:56:07,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:56:07,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:56:07,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:56:07,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:56:07,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:56:07,908 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:56:07,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:56:07,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:56:07,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:56:07,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:56:07,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:56:07,910 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:56:07,910 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:56:07,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:56:07,911 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:56:07,911 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:56:07,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:56:07,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:56:07,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 22:56:07,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:56:07,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:56:07,920 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:56:07,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:56:07,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:56:07,920 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:56:07,920 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 22:56:07,920 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:56:07,920 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:56:07,920 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:56:07,921 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:56:07,921 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:56:07,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:56:07,922 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:56:07,922 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:56:07,922 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:56:07,922 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:56:07,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 937cfa07aecfb3a07a3e6e685c2e5e481fbe44b8 [2018-12-08 22:56:07,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:56:07,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:56:07,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:56:07,952 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:56:07,953 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:56:07,953 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/realloc1_false-valid-deref.c [2018-12-08 22:56:07,989 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/data/0608b2608/3837e6aee227423a881c4ed58967f44d/FLAGd6bc45d2f [2018-12-08 22:56:08,290 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:56:08,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/sv-benchmarks/c/memsafety-ext3/realloc1_false-valid-deref.c [2018-12-08 22:56:08,294 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/data/0608b2608/3837e6aee227423a881c4ed58967f44d/FLAGd6bc45d2f [2018-12-08 22:56:08,716 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/data/0608b2608/3837e6aee227423a881c4ed58967f44d [2018-12-08 22:56:08,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:56:08,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:56:08,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:56:08,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:56:08,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:56:08,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2778df3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08, skipping insertion in model container [2018-12-08 22:56:08,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:56:08,740 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:56:08,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:56:08,831 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:56:08,840 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:56:08,848 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:56:08,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08 WrapperNode [2018-12-08 22:56:08,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:56:08,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:56:08,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:56:08,849 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:56:08,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:56:08,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:56:08,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:56:08,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:56:08,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... [2018-12-08 22:56:08,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:56:08,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:56:08,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:56:08,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:56:08,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:56:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/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 [2018-12-08 22:56:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:56:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:56:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:56:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:56:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 22:56:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:56:09,125 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:56:09,125 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 22:56:09,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:56:09 BoogieIcfgContainer [2018-12-08 22:56:09,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:56:09,126 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:56:09,126 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:56:09,132 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:56:09,133 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:56:09" (1/1) ... [2018-12-08 22:56:09,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:56:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-12-08 22:56:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-12-08 22:56:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 22:56:09,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-08 22:56:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-08 22:56:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 22:56:09,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-08 22:56:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-08 22:56:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 22:56:09,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-12-08 22:56:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-12-08 22:56:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:56:09,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 22:56:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 22:56:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:56:09,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:09,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-12-08 22:56:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-12-08 22:56:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:56:09,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-08 22:56:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-08 22:56:09,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:56:09,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-12-08 22:56:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-12-08 22:56:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:56:10,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2018-12-08 22:56:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2018-12-08 22:56:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:56:10,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2018-12-08 22:56:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2018-12-08 22:56:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:56:10,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-12-08 22:56:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-12-08 22:56:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:56:10,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:56:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2018-12-08 22:56:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2018-12-08 22:56:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:56:10,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:56:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2018-12-08 22:56:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2018-12-08 22:56:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:56:10,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-12-08 22:56:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-12-08 22:56:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:10,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:56:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-12-08 22:56:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-12-08 22:56:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:11,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:11,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2018-12-08 22:56:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2018-12-08 22:56:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:11,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-12-08 22:56:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-12-08 22:56:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:11,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:56:11,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-12-08 22:56:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-12-08 22:56:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:11,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2018-12-08 22:56:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2018-12-08 22:56:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:11,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2018-12-08 22:56:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2018-12-08 22:56:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:12,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2018-12-08 22:56:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2018-12-08 22:56:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:56:12,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2018-12-08 22:56:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2018-12-08 22:56:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:12,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2018-12-08 22:56:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2018-12-08 22:56:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:13,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2018-12-08 22:56:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2018-12-08 22:56:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:13,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2018-12-08 22:56:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2018-12-08 22:56:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:13,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2018-12-08 22:56:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2018-12-08 22:56:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:13,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2018-12-08 22:56:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2018-12-08 22:56:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:13,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 22:56:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-12-08 22:56:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-12-08 22:56:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:13,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2018-12-08 22:56:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2018-12-08 22:56:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:14,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-12-08 22:56:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-12-08 22:56:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:56:14,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2018-12-08 22:56:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2018-12-08 22:56:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:14,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2018-12-08 22:56:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2018-12-08 22:56:14,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:14,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 114 transitions. [2018-12-08 22:56:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 114 transitions. [2018-12-08 22:56:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:15,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 114 transitions. [2018-12-08 22:56:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2018-12-08 22:56:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:15,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2018-12-08 22:56:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2018-12-08 22:56:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:15,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 115 transitions. [2018-12-08 22:56:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2018-12-08 22:56:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:16,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 115 transitions. [2018-12-08 22:56:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 115 transitions. [2018-12-08 22:56:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:16,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 22:56:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 114 transitions. [2018-12-08 22:56:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2018-12-08 22:56:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:16,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 114 transitions. [2018-12-08 22:56:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 114 transitions. [2018-12-08 22:56:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:16,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-12-08 22:56:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-12-08 22:56:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:16,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 114 transitions. [2018-12-08 22:56:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions. [2018-12-08 22:56:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:56:17,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2018-12-08 22:56:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2018-12-08 22:56:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:17,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 128 transitions. [2018-12-08 22:56:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 128 transitions. [2018-12-08 22:56:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:17,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 64 states and 145 transitions. [2018-12-08 22:56:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 145 transitions. [2018-12-08 22:56:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:18,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 65 states and 145 transitions. [2018-12-08 22:56:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2018-12-08 22:56:18,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:18,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 145 transitions. [2018-12-08 22:56:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 145 transitions. [2018-12-08 22:56:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:19,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 146 transitions. [2018-12-08 22:56:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 146 transitions. [2018-12-08 22:56:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:19,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:56:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 67 states and 145 transitions. [2018-12-08 22:56:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2018-12-08 22:56:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:19,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 68 states and 146 transitions. [2018-12-08 22:56:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2018-12-08 22:56:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:19,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 69 states and 146 transitions. [2018-12-08 22:56:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 146 transitions. [2018-12-08 22:56:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:19,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:56:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 69 states and 145 transitions. [2018-12-08 22:56:20,097 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2018-12-08 22:56:20,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:20,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:20,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 70 states and 145 transitions. [2018-12-08 22:56:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 145 transitions. [2018-12-08 22:56:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:20,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 145 transitions. [2018-12-08 22:56:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 145 transitions. [2018-12-08 22:56:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:21,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 145 transitions. [2018-12-08 22:56:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 145 transitions. [2018-12-08 22:56:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:21,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 73 states and 145 transitions. [2018-12-08 22:56:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2018-12-08 22:56:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:56:21,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-12-08 22:56:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-12-08 22:56:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:22,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2018-12-08 22:56:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2018-12-08 22:56:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:22,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 22:56:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 161 transitions. [2018-12-08 22:56:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 161 transitions. [2018-12-08 22:56:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:22,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 77 states and 161 transitions. [2018-12-08 22:56:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 161 transitions. [2018-12-08 22:56:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:22,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 79 states and 179 transitions. [2018-12-08 22:56:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 179 transitions. [2018-12-08 22:56:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:23,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 80 states and 179 transitions. [2018-12-08 22:56:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 179 transitions. [2018-12-08 22:56:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:24,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 81 states and 180 transitions. [2018-12-08 22:56:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 180 transitions. [2018-12-08 22:56:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:24,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 82 states and 180 transitions. [2018-12-08 22:56:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 180 transitions. [2018-12-08 22:56:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:24,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 22:56:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 82 states and 179 transitions. [2018-12-08 22:56:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 179 transitions. [2018-12-08 22:56:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:24,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 83 states and 179 transitions. [2018-12-08 22:56:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 179 transitions. [2018-12-08 22:56:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:25,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 84 states and 179 transitions. [2018-12-08 22:56:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 179 transitions. [2018-12-08 22:56:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:25,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 85 states and 179 transitions. [2018-12-08 22:56:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 179 transitions. [2018-12-08 22:56:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:25,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 86 states and 179 transitions. [2018-12-08 22:56:26,253 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2018-12-08 22:56:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:26,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 179 transitions. [2018-12-08 22:56:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2018-12-08 22:56:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:26,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 88 states and 179 transitions. [2018-12-08 22:56:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 179 transitions. [2018-12-08 22:56:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:26,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:27,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 89 states and 179 transitions. [2018-12-08 22:56:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 179 transitions. [2018-12-08 22:56:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:27,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 22:56:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 89 states and 178 transitions. [2018-12-08 22:56:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 178 transitions. [2018-12-08 22:56:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:56:27,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-12-08 22:56:27,665 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-12-08 22:56:27,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:27,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 92 states and 197 transitions. [2018-12-08 22:56:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 197 transitions. [2018-12-08 22:56:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:28,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 94 states and 217 transitions. [2018-12-08 22:56:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 217 transitions. [2018-12-08 22:56:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:29,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-08 22:56:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 94 states and 216 transitions. [2018-12-08 22:56:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 216 transitions. [2018-12-08 22:56:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:29,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 95 states and 216 transitions. [2018-12-08 22:56:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 216 transitions. [2018-12-08 22:56:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:29,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2018-12-08 22:56:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2018-12-08 22:56:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:30,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 97 states and 216 transitions. [2018-12-08 22:56:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 216 transitions. [2018-12-08 22:56:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:30,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-08 22:56:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 97 states and 215 transitions. [2018-12-08 22:56:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 215 transitions. [2018-12-08 22:56:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:30,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 98 states and 215 transitions. [2018-12-08 22:56:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 215 transitions. [2018-12-08 22:56:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:30,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 99 states and 215 transitions. [2018-12-08 22:56:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 215 transitions. [2018-12-08 22:56:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:31,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 100 states and 215 transitions. [2018-12-08 22:56:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 215 transitions. [2018-12-08 22:56:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:31,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 101 states and 215 transitions. [2018-12-08 22:56:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 215 transitions. [2018-12-08 22:56:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:32,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 102 states and 215 transitions. [2018-12-08 22:56:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 215 transitions. [2018-12-08 22:56:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:32,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 215 transitions. [2018-12-08 22:56:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 215 transitions. [2018-12-08 22:56:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:32,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 104 states and 215 transitions. [2018-12-08 22:56:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 215 transitions. [2018-12-08 22:56:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:33,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 105 states and 215 transitions. [2018-12-08 22:56:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 215 transitions. [2018-12-08 22:56:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:33,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 106 states and 215 transitions. [2018-12-08 22:56:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 215 transitions. [2018-12-08 22:56:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:33,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 107 states and 215 transitions. [2018-12-08 22:56:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 215 transitions. [2018-12-08 22:56:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:56:34,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 108 states and 215 transitions. [2018-12-08 22:56:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 215 transitions. [2018-12-08 22:56:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:34,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 110 states and 225 transitions. [2018-12-08 22:56:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 225 transitions. [2018-12-08 22:56:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:35,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 112 states and 247 transitions. [2018-12-08 22:56:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 247 transitions. [2018-12-08 22:56:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:36,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 113 states and 247 transitions. [2018-12-08 22:56:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 247 transitions. [2018-12-08 22:56:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:37,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-08 22:56:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 113 states and 246 transitions. [2018-12-08 22:56:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 246 transitions. [2018-12-08 22:56:37,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:37,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 114 states and 246 transitions. [2018-12-08 22:56:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 246 transitions. [2018-12-08 22:56:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:38,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 115 states and 246 transitions. [2018-12-08 22:56:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 246 transitions. [2018-12-08 22:56:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:39,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 116 states and 246 transitions. [2018-12-08 22:56:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 246 transitions. [2018-12-08 22:56:40,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:40,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 117 states and 246 transitions. [2018-12-08 22:56:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 246 transitions. [2018-12-08 22:56:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:40,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 118 states and 246 transitions. [2018-12-08 22:56:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 246 transitions. [2018-12-08 22:56:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:40,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:41,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 119 states and 246 transitions. [2018-12-08 22:56:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 246 transitions. [2018-12-08 22:56:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:41,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 120 states and 246 transitions. [2018-12-08 22:56:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 246 transitions. [2018-12-08 22:56:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:41,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 121 states and 246 transitions. [2018-12-08 22:56:41,926 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 246 transitions. [2018-12-08 22:56:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:41,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 122 states and 246 transitions. [2018-12-08 22:56:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 246 transitions. [2018-12-08 22:56:42,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:42,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 123 states and 246 transitions. [2018-12-08 22:56:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 246 transitions. [2018-12-08 22:56:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:42,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 124 states and 246 transitions. [2018-12-08 22:56:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 246 transitions. [2018-12-08 22:56:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:43,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 125 states and 246 transitions. [2018-12-08 22:56:43,679 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 246 transitions. [2018-12-08 22:56:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:43,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 246 transitions. [2018-12-08 22:56:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 246 transitions. [2018-12-08 22:56:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:43,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 127 states and 246 transitions. [2018-12-08 22:56:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 246 transitions. [2018-12-08 22:56:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:56:44,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 128 states and 246 transitions. [2018-12-08 22:56:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 246 transitions. [2018-12-08 22:56:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:56:44,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:56:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 102 states and 190 transitions. [2018-12-08 22:56:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 190 transitions. [2018-12-08 22:56:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:56:48,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 22:56:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 193 transitions. [2018-12-08 22:56:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2018-12-08 22:56:50,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:56:50,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 22:56:51,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 31 states and 30 transitions. [2018-12-08 22:56:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-12-08 22:56:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:56:51,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:56:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 22:56:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:56:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 30 states and 29 transitions. [2018-12-08 22:56:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-12-08 22:56:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:56:52,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:56:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:56:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:56:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:56:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:56:52,664 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 114 iterations. [2018-12-08 22:56:52,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:56:52 ImpRootNode [2018-12-08 22:56:52,690 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:56:52,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:56:52,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:56:52,691 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:56:52,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:56:09" (3/4) ... [2018-12-08 22:56:52,693 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 22:56:52,726 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4deb7e4c-b9f0-4a2d-82c1-d392d5529241/bin-2019/ukojak/witness.graphml [2018-12-08 22:56:52,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:56:52,727 INFO L168 Benchmark]: Toolchain (without parser) took 44008.08 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 557.3 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -52.9 MB). Peak memory consumption was 504.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:56:52,728 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:56:52,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.64 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:56:52,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.79 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:56:52,728 INFO L168 Benchmark]: Boogie Preprocessor took 42.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:56:52,729 INFO L168 Benchmark]: RCFGBuilder took 214.49 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:56:52,729 INFO L168 Benchmark]: CodeCheck took 43564.40 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 451.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.1 MB). Peak memory consumption was 508.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:56:52,730 INFO L168 Benchmark]: Witness Printer took 35.87 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:56:52,732 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, 23 locations, 7 error locations. UNSAFE Result, 43.5s OverallTime, 114 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 499186620 SDslu, 0 SDs, 0 SdLazy, -1787559758 SolverSat, 1655899290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24127 GetRequests, 22268 SyntacticMatches, 1241 SemanticMatches, 618 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196408 ImplicationChecksByTransitivity, 40.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1743 NumberOfCodeBlocks, 1743 NumberOfCodeBlocksAsserted, 114 NumberOfCheckSat, 1605 ConstructedInterpolants, 0 QuantifiedInterpolants, 191269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 22 PerfectInterpolantSequences, 984/5365 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 - CounterExampleResult [Line: 16]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L8] char* p = malloc(10 * sizeof(int)); [L10] int i = 0; [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND TRUE i < 10 [L11] p[i] = __VERIFIER_nondet_char() [L10] i++ [L10] COND FALSE !(i < 10) [L14] free(p) [L14] free(p) [L16] p[2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.64 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.79 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 214.49 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 43564.40 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 451.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.1 MB). Peak memory consumption was 508.0 MB. Max. memory is 11.5 GB. * Witness Printer took 35.87 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...