./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7c08193784b646afd298f73ae6296b7af2e0cac1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:58:09,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:58:09,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:58:09,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:58:09,058 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:58:09,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:58:09,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:58:09,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:58:09,061 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:58:09,061 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:58:09,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:58:09,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:58:09,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:58:09,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:58:09,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:58:09,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:58:09,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:58:09,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:58:09,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:58:09,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:58:09,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:58:09,067 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:58:09,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:58:09,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:58:09,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:58:09,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:58:09,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:58:09,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:58:09,070 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:58:09,071 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:58:09,071 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:58:09,071 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:58:09,071 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:58:09,071 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:58:09,072 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:58:09,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:58:09,072 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 16:58:09,079 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:58:09,079 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:58:09,080 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:58:09,080 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:58:09,080 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:58:09,080 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:58:09,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:58:09,080 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:58:09,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:58:09,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:58:09,081 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:58:09,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:58:09,081 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:58:09,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:58:09,082 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c08193784b646afd298f73ae6296b7af2e0cac1 [2018-12-08 16:58:09,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:58:09,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:58:09,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:58:09,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:58:09,110 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:58:09,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-12-08 16:58:09,144 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/data/69c3fd398/1a4497241a96439297e89969daa3a5d3/FLAGea396c542 [2018-12-08 16:58:09,528 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:58:09,528 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-12-08 16:58:09,531 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/data/69c3fd398/1a4497241a96439297e89969daa3a5d3/FLAGea396c542 [2018-12-08 16:58:09,540 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/data/69c3fd398/1a4497241a96439297e89969daa3a5d3 [2018-12-08 16:58:09,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:58:09,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:58:09,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:58:09,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:58:09,545 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:58:09,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09, skipping insertion in model container [2018-12-08 16:58:09,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:58:09,565 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:58:09,647 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:58:09,649 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:58:09,658 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:58:09,665 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:58:09,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09 WrapperNode [2018-12-08 16:58:09,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:58:09,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:58:09,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:58:09,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:58:09,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:58:09,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:58:09,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:58:09,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:58:09,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:58:09,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:58:09,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:58:09,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:58:09,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:58:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/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 16:58:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:58:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:58:09,851 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:58:09,851 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 16:58:09,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:58:09 BoogieIcfgContainer [2018-12-08 16:58:09,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:58:09,851 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:58:09,852 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:58:09,858 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:58:09,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:58:09" (1/1) ... [2018-12-08 16:58:09,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:58:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-08 16:58:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-08 16:58:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:58:09,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:09,967 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 16:58:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-08 16:58:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-08 16:58:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:58:09,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,006 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 16:58:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-08 16:58:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-08 16:58:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:58:10,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,041 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 16:58:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-08 16:58:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-08 16:58:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:58:10,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,103 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 16:58:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-08 16:58:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-08 16:58:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:58:10,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,217 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 16:58:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-08 16:58:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-08 16:58:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:58:10,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:58:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-12-08 16:58:10,569 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-12-08 16:58:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:58:10,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,582 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 16:58:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2018-12-08 16:58:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2018-12-08 16:58:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:58:10,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:58:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-12-08 16:58:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-12-08 16:58:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:58:10,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:58:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-12-08 16:58:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-12-08 16:58:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:58:11,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:58:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-12-08 16:58:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-12-08 16:58:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:58:11,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 16:58:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-12-08 16:58:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-12-08 16:58:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 16:58:11,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:58:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-12-08 16:58:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-12-08 16:58:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:58:11,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 16:58:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2018-12-08 16:58:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2018-12-08 16:58:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 16:58:11,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 16:58:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2018-12-08 16:58:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2018-12-08 16:58:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 16:58:12,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:58:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2018-12-08 16:58:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2018-12-08 16:58:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:58:12,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 16:58:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2018-12-08 16:58:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2018-12-08 16:58:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:58:12,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 16:58:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2018-12-08 16:58:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2018-12-08 16:58:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:58:12,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 16:58:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2018-12-08 16:58:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2018-12-08 16:58:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:58:12,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:58:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions. [2018-12-08 16:58:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2018-12-08 16:58:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 16:58:13,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 16:58:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2018-12-08 16:58:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2018-12-08 16:58:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 16:58:13,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 47 proven. 57 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:58:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-12-08 16:58:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-12-08 16:58:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 16:58:13,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:58:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-12-08 16:58:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-12-08 16:58:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 16:58:14,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:14,328 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 61 proven. 100 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:58:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-12-08 16:58:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-12-08 16:58:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 16:58:14,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 68 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:58:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2018-12-08 16:58:14,823 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-12-08 16:58:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:58:14,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 75 proven. 155 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:58:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2018-12-08 16:58:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2018-12-08 16:58:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:58:15,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-08 16:58:15,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2018-12-08 16:58:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2018-12-08 16:58:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 16:58:15,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 16:58:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2018-12-08 16:58:15,810 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2018-12-08 16:58:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 16:58:15,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 117 proven. 187 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 16:58:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 81 states and 111 transitions. [2018-12-08 16:58:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2018-12-08 16:58:16,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:58:16,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-08 16:58:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2018-12-08 16:58:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2018-12-08 16:58:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 16:58:16,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-08 16:58:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2018-12-08 16:58:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2018-12-08 16:58:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:58:16,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 165 proven. 222 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2018-12-08 16:58:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2018-12-08 16:58:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 16:58:17,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 178 proven. 260 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2018-12-08 16:58:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2018-12-08 16:58:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:58:17,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 191 proven. 301 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2018-12-08 16:58:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2018-12-08 16:58:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:58:17,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 204 proven. 345 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 131 transitions. [2018-12-08 16:58:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2018-12-08 16:58:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 16:58:18,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 217 proven. 392 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 103 states and 134 transitions. [2018-12-08 16:58:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2018-12-08 16:58:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 16:58:18,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 230 proven. 442 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 106 states and 137 transitions. [2018-12-08 16:58:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2018-12-08 16:58:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 16:58:19,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 243 proven. 495 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:58:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 109 states and 140 transitions. [2018-12-08 16:58:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 140 transitions. [2018-12-08 16:58:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 16:58:19,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 1 proven. 297 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-12-08 16:58:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:20,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 144 transitions. [2018-12-08 16:58:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 144 transitions. [2018-12-08 16:58:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 16:58:20,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 315 proven. 551 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 16:58:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 115 states and 147 transitions. [2018-12-08 16:58:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 147 transitions. [2018-12-08 16:58:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 16:58:20,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 1 proven. 386 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2018-12-08 16:58:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2018-12-08 16:58:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2018-12-08 16:58:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 16:58:21,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 393 proven. 610 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 16:58:22,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 123 states and 162 transitions. [2018-12-08 16:58:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 162 transitions. [2018-12-08 16:58:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:58:22,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 1 proven. 484 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2018-12-08 16:58:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 129 states and 176 transitions. [2018-12-08 16:58:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 176 transitions. [2018-12-08 16:58:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 16:58:23,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 477 proven. 672 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 16:58:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:23,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 132 states and 179 transitions. [2018-12-08 16:58:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 179 transitions. [2018-12-08 16:58:23,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 16:58:23,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2018-12-08 16:58:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 144 states and 199 transitions. [2018-12-08 16:58:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 199 transitions. [2018-12-08 16:58:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 16:58:26,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 41 proven. 646 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2018-12-08 16:58:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2018-12-08 16:58:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-12-08 16:58:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 16:58:29,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 48 proven. 873 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2018-12-08 16:58:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 164 states and 202 transitions. [2018-12-08 16:58:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 202 transitions. [2018-12-08 16:58:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 16:58:32,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 677 proven. 591 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2018-12-08 16:58:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 170 states and 213 transitions. [2018-12-08 16:58:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 213 transitions. [2018-12-08 16:58:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:58:33,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 1067 proven. 737 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2018-12-08 16:58:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 173 states and 216 transitions. [2018-12-08 16:58:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 216 transitions. [2018-12-08 16:58:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 16:58:34,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 721 proven. 707 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2018-12-08 16:58:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 179 states and 228 transitions. [2018-12-08 16:58:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2018-12-08 16:58:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 16:58:35,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1185 proven. 805 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2018-12-08 16:58:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:36,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 182 states and 231 transitions. [2018-12-08 16:58:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2018-12-08 16:58:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 16:58:36,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 765 proven. 832 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2018-12-08 16:58:37,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 188 states and 244 transitions. [2018-12-08 16:58:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2018-12-08 16:58:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 16:58:37,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1309 proven. 876 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:38,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 191 states and 247 transitions. [2018-12-08 16:58:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2018-12-08 16:58:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 16:58:38,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2797 backedges. 1362 proven. 950 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 250 transitions. [2018-12-08 16:58:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2018-12-08 16:58:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 16:58:39,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1415 proven. 1027 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 197 states and 253 transitions. [2018-12-08 16:58:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 253 transitions. [2018-12-08 16:58:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 16:58:40,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3060 backedges. 1468 proven. 1107 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 200 states and 256 transitions. [2018-12-08 16:58:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2018-12-08 16:58:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 16:58:41,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 1521 proven. 1190 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 203 states and 259 transitions. [2018-12-08 16:58:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2018-12-08 16:58:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 16:58:41,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1574 proven. 1276 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:42,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 206 states and 262 transitions. [2018-12-08 16:58:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 262 transitions. [2018-12-08 16:58:42,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 16:58:42,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3477 backedges. 1627 proven. 1365 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 265 transitions. [2018-12-08 16:58:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2018-12-08 16:58:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 16:58:43,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3622 backedges. 1680 proven. 1457 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:44,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 212 states and 268 transitions. [2018-12-08 16:58:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 268 transitions. [2018-12-08 16:58:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 16:58:44,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3770 backedges. 1733 proven. 1552 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 215 states and 271 transitions. [2018-12-08 16:58:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 271 transitions. [2018-12-08 16:58:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 16:58:45,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3921 backedges. 1786 proven. 1650 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 218 states and 274 transitions. [2018-12-08 16:58:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 274 transitions. [2018-12-08 16:58:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 16:58:46,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4075 backedges. 1839 proven. 1751 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 221 states and 277 transitions. [2018-12-08 16:58:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 277 transitions. [2018-12-08 16:58:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 16:58:47,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 1892 proven. 1855 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 224 states and 280 transitions. [2018-12-08 16:58:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 280 transitions. [2018-12-08 16:58:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 16:58:48,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4392 backedges. 1945 proven. 1962 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-08 16:58:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 227 states and 283 transitions. [2018-12-08 16:58:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 283 transitions. [2018-12-08 16:58:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 16:58:49,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4555 backedges. 1073 proven. 1350 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-12-08 16:58:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 233 states and 297 transitions. [2018-12-08 16:58:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 297 transitions. [2018-12-08 16:58:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 16:58:51,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4721 backedges. 2111 proven. 2072 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-12-08 16:58:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 236 states and 300 transitions. [2018-12-08 16:58:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 300 transitions. [2018-12-08 16:58:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 16:58:52,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4890 backedges. 1117 proven. 1529 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2018-12-08 16:58:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:58:53,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 242 states and 315 transitions. [2018-12-08 16:58:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 315 transitions. [2018-12-08 16:58:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 16:58:53,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:58:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:58:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5062 backedges. 677 proven. 1995 refuted. 0 times theorem prover too weak. 2390 trivial. 0 not checked. [2018-12-08 16:59:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 258 states and 322 transitions. [2018-12-08 16:59:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 322 transitions. [2018-12-08 16:59:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 16:59:00,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5862 backedges. 1250 proven. 2158 refuted. 0 times theorem prover too weak. 2454 trivial. 0 not checked. [2018-12-08 16:59:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 274 states and 330 transitions. [2018-12-08 16:59:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 330 transitions. [2018-12-08 16:59:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 16:59:06,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:06,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6923 backedges. 0 proven. 3443 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2018-12-08 16:59:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 276 states and 331 transitions. [2018-12-08 16:59:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 331 transitions. [2018-12-08 16:59:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-08 16:59:06,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 7334 backedges. 763 proven. 15 refuted. 0 times theorem prover too weak. 6556 trivial. 0 not checked. [2018-12-08 16:59:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 276 states and 329 transitions. [2018-12-08 16:59:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 329 transitions. [2018-12-08 16:59:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 16:59:07,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7544 backedges. 962 proven. 23 refuted. 0 times theorem prover too weak. 6559 trivial. 0 not checked. [2018-12-08 16:59:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 276 states and 327 transitions. [2018-12-08 16:59:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 327 transitions. [2018-12-08 16:59:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 16:59:08,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1161 proven. 31 refuted. 0 times theorem prover too weak. 6565 trivial. 0 not checked. [2018-12-08 16:59:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 276 states and 325 transitions. [2018-12-08 16:59:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 325 transitions. [2018-12-08 16:59:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 16:59:08,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7973 backedges. 1360 proven. 39 refuted. 0 times theorem prover too weak. 6574 trivial. 0 not checked. [2018-12-08 16:59:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 276 states and 323 transitions. [2018-12-08 16:59:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 323 transitions. [2018-12-08 16:59:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 16:59:09,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8192 backedges. 1559 proven. 47 refuted. 0 times theorem prover too weak. 6586 trivial. 0 not checked. [2018-12-08 16:59:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 276 states and 321 transitions. [2018-12-08 16:59:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 321 transitions. [2018-12-08 16:59:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 16:59:09,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:59:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:59:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8414 backedges. 1758 proven. 55 refuted. 0 times theorem prover too weak. 6601 trivial. 0 not checked. [2018-12-08 16:59:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:59:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-12-08 16:59:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-12-08 16:59:10,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:59:10,306 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2018-12-08 16:59:10,312 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-08 16:59:10,466 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 16:59:10,472 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-08 16:59:10,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:59:10 ImpRootNode [2018-12-08 16:59:10,473 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:59:10,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:59:10,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:59:10,473 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:59:10,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:58:09" (3/4) ... [2018-12-08 16:59:10,476 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:59:10,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 16:59:10,482 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:59:10,482 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:59:10,505 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e825123f-f1ca-4a10-a949-08e8e603cbbb/bin-2019/ukojak/witness.graphml [2018-12-08 16:59:10,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:59:10,505 INFO L168 Benchmark]: Toolchain (without parser) took 60963.20 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 983.0 MB). Free memory was 956.0 MB in the beginning and 848.8 MB in the end (delta: 107.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 16:59:10,506 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:59:10,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.61 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:59:10,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:59:10,506 INFO L168 Benchmark]: Boogie Preprocessor took 10.22 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:59:10,507 INFO L168 Benchmark]: RCFGBuilder took 153.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:59:10,507 INFO L168 Benchmark]: CodeCheck took 60621.62 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 856.2 MB). Free memory was 1.1 GB in the beginning and 848.8 MB in the end (delta: 257.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 16:59:10,507 INFO L168 Benchmark]: Witness Printer took 31.48 ms. Allocated memory is still 2.0 GB. Free memory is still 848.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:59:10,508 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, 15 locations, 4 error locations. SAFE Result, 60.4s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1476319622 SDslu, 0 SDs, 0 SdLazy, 1006890160 SolverSat, 2080401854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51575 GetRequests, 46678 SyntacticMatches, 4075 SemanticMatches, 822 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375591 ImplicationChecksByTransitivity, 56.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 7413 NumberOfCodeBlocks, 7413 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 7337 ConstructedInterpolants, 0 QuantifiedInterpolants, 2314239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 10 PerfectInterpolantSequences, 110691/153776 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: n <= 2147483647 && 0 <= i + 2147483648 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((n <= 2147483647 && 0 <= i + 2147483648) && j <= 0) && 0 <= j) && i <= 2147483646) || (((1 < j && n <= 2147483647) && 0 < i) && i <= 2147483646)) || ((((n <= 2147483647 && 0 < j) && j <= 1) && 0 < i + 1) && i <= 2147483646) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.61 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 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 21.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.22 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 153.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * CodeCheck took 60621.62 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 856.2 MB). Free memory was 1.1 GB in the beginning and 848.8 MB in the end (delta: 257.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 31.48 ms. Allocated memory is still 2.0 GB. Free memory is still 848.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...