./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e94bad701dc31ef8837df5dc0d8bbaaa41b948fd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:14:40,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:14:40,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:14:40,788 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:14:40,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:14:40,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:14:40,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:14:40,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:14:40,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:14:40,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:14:40,792 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:14:40,792 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:14:40,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:14:40,793 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:14:40,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:14:40,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:14:40,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:14:40,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:14:40,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:14:40,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:14:40,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:14:40,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:14:40,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:14:40,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:14:40,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:14:40,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:14:40,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:14:40,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:14:40,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:14:40,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:14:40,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:14:40,806 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:14:40,806 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:14:40,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:14:40,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:14:40,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:14:40,808 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 15:14:40,816 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:14:40,816 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:14:40,817 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:14:40,817 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 15:14:40,817 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:14:40,818 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:14:40,818 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:14:40,818 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:14:40,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:14:40,818 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:14:40,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:14:40,819 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:14:40,819 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:14:40,819 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:14:40,819 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:14:40,819 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:14:40,819 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:14:40,820 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:14:40,820 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 15:14:40,820 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 15:14:40,820 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:14:40,820 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:14:40,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 15:14:40,821 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:14:40,821 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:14:40,821 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:14:40,821 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 15:14:40,821 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:14:40,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:14:40,821 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_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2018-12-02 15:14:40,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:14:40,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:14:40,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:14:40,848 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:14:40,848 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:14:40,849 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-12-02 15:14:40,887 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/data/e2c95c517/7d756ca8ad3b4770b43e91bb6d881bdd/FLAG349729031 [2018-12-02 15:14:41,228 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:14:41,228 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-12-02 15:14:41,234 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/data/e2c95c517/7d756ca8ad3b4770b43e91bb6d881bdd/FLAG349729031 [2018-12-02 15:14:41,243 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/data/e2c95c517/7d756ca8ad3b4770b43e91bb6d881bdd [2018-12-02 15:14:41,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:14:41,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:14:41,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:14:41,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:14:41,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:14:41,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41, skipping insertion in model container [2018-12-02 15:14:41,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:14:41,276 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:14:41,442 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:14:41,445 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:14:41,523 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:14:41,532 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:14:41,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41 WrapperNode [2018-12-02 15:14:41,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:14:41,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:14:41,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:14:41,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:14:41,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:14:41,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:14:41,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:14:41,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:14:41,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... [2018-12-02 15:14:41,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:14:41,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:14:41,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:14:41,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:14:41,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/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 [2018-12-02 15:14:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:14:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:14:42,635 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:14:42,635 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 15:14:42,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:42 BoogieIcfgContainer [2018-12-02 15:14:42,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:14:42,636 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 15:14:42,636 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 15:14:42,646 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 15:14:42,646 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:42" (1/1) ... [2018-12-02 15:14:42,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:14:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 15:14:42,681 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 15:14:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 15:14:42,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-12-02 15:14:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-12-02 15:14:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 15:14:43,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:43,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2018-12-02 15:14:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2018-12-02 15:14:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 15:14:43,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 324 states and 452 transitions. [2018-12-02 15:14:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 452 transitions. [2018-12-02 15:14:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 15:14:44,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 402 states and 541 transitions. [2018-12-02 15:14:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 541 transitions. [2018-12-02 15:14:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 15:14:45,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 413 states and 554 transitions. [2018-12-02 15:14:46,053 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 554 transitions. [2018-12-02 15:14:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 15:14:46,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 424 states and 567 transitions. [2018-12-02 15:14:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 567 transitions. [2018-12-02 15:14:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 15:14:46,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 427 states and 570 transitions. [2018-12-02 15:14:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 570 transitions. [2018-12-02 15:14:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 15:14:46,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:14:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 441 states and 589 transitions. [2018-12-02 15:14:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 589 transitions. [2018-12-02 15:14:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 15:14:46,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:14:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 445 states and 595 transitions. [2018-12-02 15:14:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 595 transitions. [2018-12-02 15:14:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 15:14:46,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:14:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:47,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 446 states and 596 transitions. [2018-12-02 15:14:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 596 transitions. [2018-12-02 15:14:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 15:14:47,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 459 states and 609 transitions. [2018-12-02 15:14:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 609 transitions. [2018-12-02 15:14:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 15:14:47,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:47,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 464 states and 624 transitions. [2018-12-02 15:14:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 624 transitions. [2018-12-02 15:14:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 15:14:47,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 477 states and 637 transitions. [2018-12-02 15:14:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 637 transitions. [2018-12-02 15:14:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 15:14:47,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 15:14:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 495 states and 662 transitions. [2018-12-02 15:14:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 662 transitions. [2018-12-02 15:14:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 15:14:48,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:48,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:48,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 523 states and 695 transitions. [2018-12-02 15:14:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 695 transitions. [2018-12-02 15:14:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:48,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:14:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 551 states and 728 transitions. [2018-12-02 15:14:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 728 transitions. [2018-12-02 15:14:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:49,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:14:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 568 states and 746 transitions. [2018-12-02 15:14:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 746 transitions. [2018-12-02 15:14:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:49,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:14:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 583 states and 762 transitions. [2018-12-02 15:14:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 762 transitions. [2018-12-02 15:14:50,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:50,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:14:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 597 states and 776 transitions. [2018-12-02 15:14:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 776 transitions. [2018-12-02 15:14:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:50,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:14:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 610 states and 789 transitions. [2018-12-02 15:14:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 789 transitions. [2018-12-02 15:14:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 15:14:50,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 646 states and 835 transitions. [2018-12-02 15:14:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 835 transitions. [2018-12-02 15:14:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 15:14:51,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 651 states and 841 transitions. [2018-12-02 15:14:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 841 transitions. [2018-12-02 15:14:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 15:14:51,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 687 states and 881 transitions. [2018-12-02 15:14:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 881 transitions. [2018-12-02 15:14:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 15:14:52,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 15:14:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 693 states and 896 transitions. [2018-12-02 15:14:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 896 transitions. [2018-12-02 15:14:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 15:14:53,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 713 states and 918 transitions. [2018-12-02 15:14:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 918 transitions. [2018-12-02 15:14:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 15:14:53,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 714 states and 919 transitions. [2018-12-02 15:14:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 919 transitions. [2018-12-02 15:14:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 15:14:53,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 727 states and 935 transitions. [2018-12-02 15:14:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 935 transitions. [2018-12-02 15:14:54,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 15:14:54,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:14:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 737 states and 946 transitions. [2018-12-02 15:14:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 946 transitions. [2018-12-02 15:14:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 15:14:54,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 782 states and 997 transitions. [2018-12-02 15:14:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 997 transitions. [2018-12-02 15:14:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 15:14:55,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:55,669 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 783 states and 997 transitions. [2018-12-02 15:14:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 997 transitions. [2018-12-02 15:14:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 15:14:55,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:56,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 801 states and 1020 transitions. [2018-12-02 15:14:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1020 transitions. [2018-12-02 15:14:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 15:14:56,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:14:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 822 states and 1042 transitions. [2018-12-02 15:14:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1042 transitions. [2018-12-02 15:14:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 15:14:56,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 15:14:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 827 states and 1048 transitions. [2018-12-02 15:14:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1048 transitions. [2018-12-02 15:14:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 15:14:57,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:57,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 838 states and 1062 transitions. [2018-12-02 15:14:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1062 transitions. [2018-12-02 15:14:57,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 15:14:57,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:57,567 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 886 states and 1117 transitions. [2018-12-02 15:14:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1117 transitions. [2018-12-02 15:14:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 15:14:58,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:14:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:14:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 887 states and 1117 transitions. [2018-12-02 15:14:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1117 transitions. [2018-12-02 15:14:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 15:14:59,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:14:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:14:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 902 states and 1135 transitions. [2018-12-02 15:15:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1135 transitions. [2018-12-02 15:15:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 15:15:00,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 950 states and 1187 transitions. [2018-12-02 15:15:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1187 transitions. [2018-12-02 15:15:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 15:15:01,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 954 states and 1193 transitions. [2018-12-02 15:15:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1193 transitions. [2018-12-02 15:15:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 15:15:01,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 955 states and 1193 transitions. [2018-12-02 15:15:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1193 transitions. [2018-12-02 15:15:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:15:02,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 958 states and 1196 transitions. [2018-12-02 15:15:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1196 transitions. [2018-12-02 15:15:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:15:02,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 992 states and 1234 transitions. [2018-12-02 15:15:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1234 transitions. [2018-12-02 15:15:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 15:15:02,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 993 states and 1235 transitions. [2018-12-02 15:15:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1235 transitions. [2018-12-02 15:15:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 15:15:03,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1013 states and 1257 transitions. [2018-12-02 15:15:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1257 transitions. [2018-12-02 15:15:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 15:15:03,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1018 states and 1267 transitions. [2018-12-02 15:15:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1267 transitions. [2018-12-02 15:15:04,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 15:15:04,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1036 states and 1289 transitions. [2018-12-02 15:15:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1289 transitions. [2018-12-02 15:15:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:15:04,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1056 states and 1311 transitions. [2018-12-02 15:15:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1311 transitions. [2018-12-02 15:15:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:15:05,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1066 states and 1326 transitions. [2018-12-02 15:15:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1326 transitions. [2018-12-02 15:15:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:15:05,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1071 states and 1330 transitions. [2018-12-02 15:15:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1330 transitions. [2018-12-02 15:15:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 15:15:05,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1075 states and 1333 transitions. [2018-12-02 15:15:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1333 transitions. [2018-12-02 15:15:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 15:15:06,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1076 states and 1335 transitions. [2018-12-02 15:15:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1335 transitions. [2018-12-02 15:15:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 15:15:06,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1126 states and 1395 transitions. [2018-12-02 15:15:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1395 transitions. [2018-12-02 15:15:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 15:15:07,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1158 states and 1433 transitions. [2018-12-02 15:15:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1433 transitions. [2018-12-02 15:15:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 15:15:09,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1185 states and 1460 transitions. [2018-12-02 15:15:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1460 transitions. [2018-12-02 15:15:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 15:15:09,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1228 states and 1506 transitions. [2018-12-02 15:15:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1506 transitions. [2018-12-02 15:15:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 15:15:10,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1229 states and 1506 transitions. [2018-12-02 15:15:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1506 transitions. [2018-12-02 15:15:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 15:15:11,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1240 states and 1516 transitions. [2018-12-02 15:15:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1516 transitions. [2018-12-02 15:15:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 15:15:11,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:15:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1249 states and 1524 transitions. [2018-12-02 15:15:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1524 transitions. [2018-12-02 15:15:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 15:15:11,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:15:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1253 states and 1527 transitions. [2018-12-02 15:15:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1527 transitions. [2018-12-02 15:15:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 15:15:12,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1279 states and 1554 transitions. [2018-12-02 15:15:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1554 transitions. [2018-12-02 15:15:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 15:15:12,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1294 states and 1567 transitions. [2018-12-02 15:15:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1567 transitions. [2018-12-02 15:15:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 15:15:12,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1297 states and 1570 transitions. [2018-12-02 15:15:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1570 transitions. [2018-12-02 15:15:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 15:15:12,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 15:15:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1302 states and 1585 transitions. [2018-12-02 15:15:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1585 transitions. [2018-12-02 15:15:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 15:15:13,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1311 states and 1595 transitions. [2018-12-02 15:15:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1595 transitions. [2018-12-02 15:15:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 15:15:13,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1312 states and 1596 transitions. [2018-12-02 15:15:13,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1596 transitions. [2018-12-02 15:15:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 15:15:13,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1315 states and 1599 transitions. [2018-12-02 15:15:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1599 transitions. [2018-12-02 15:15:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 15:15:13,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 15:15:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1386 states and 1669 transitions. [2018-12-02 15:15:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1669 transitions. [2018-12-02 15:15:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 15:15:16,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 15:15:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1413 states and 1698 transitions. [2018-12-02 15:15:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1698 transitions. [2018-12-02 15:15:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-02 15:15:17,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:15:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1417 states and 1702 transitions. [2018-12-02 15:15:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1702 transitions. [2018-12-02 15:15:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 15:15:18,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1440 states and 1727 transitions. [2018-12-02 15:15:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1727 transitions. [2018-12-02 15:15:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 15:15:19,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:19,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1444 states and 1730 transitions. [2018-12-02 15:15:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1730 transitions. [2018-12-02 15:15:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 15:15:19,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:15:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1445 states and 1731 transitions. [2018-12-02 15:15:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1731 transitions. [2018-12-02 15:15:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 15:15:19,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:15:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:19,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1448 states and 1734 transitions. [2018-12-02 15:15:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1734 transitions. [2018-12-02 15:15:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 15:15:19,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 164 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 15:15:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1474 states and 1764 transitions. [2018-12-02 15:15:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1764 transitions. [2018-12-02 15:15:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 15:15:21,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 15:15:22,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1499 states and 1791 transitions. [2018-12-02 15:15:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1791 transitions. [2018-12-02 15:15:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:22,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1500 states and 1793 transitions. [2018-12-02 15:15:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1793 transitions. [2018-12-02 15:15:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:22,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1501 states and 1795 transitions. [2018-12-02 15:15:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1795 transitions. [2018-12-02 15:15:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:22,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1502 states and 1796 transitions. [2018-12-02 15:15:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1796 transitions. [2018-12-02 15:15:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:23,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1529 states and 1823 transitions. [2018-12-02 15:15:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1823 transitions. [2018-12-02 15:15:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:23,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:23,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1532 states and 1826 transitions. [2018-12-02 15:15:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1826 transitions. [2018-12-02 15:15:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:23,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:23,935 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1535 states and 1829 transitions. [2018-12-02 15:15:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1829 transitions. [2018-12-02 15:15:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 15:15:24,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:24,225 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:15:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1538 states and 1832 transitions. [2018-12-02 15:15:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1832 transitions. [2018-12-02 15:15:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:15:24,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 15:15:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1550 states and 1843 transitions. [2018-12-02 15:15:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1843 transitions. [2018-12-02 15:15:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:15:24,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1596 states and 1893 transitions. [2018-12-02 15:15:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1893 transitions. [2018-12-02 15:15:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 15:15:25,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 15:15:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1717 states and 2017 transitions. [2018-12-02 15:15:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2017 transitions. [2018-12-02 15:15:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 15:15:26,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 15:15:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 1723 states and 2025 transitions. [2018-12-02 15:15:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2025 transitions. [2018-12-02 15:15:26,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 15:15:26,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 15:15:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1724 states and 2026 transitions. [2018-12-02 15:15:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2026 transitions. [2018-12-02 15:15:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 15:15:26,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 15:15:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1727 states and 2029 transitions. [2018-12-02 15:15:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2029 transitions. [2018-12-02 15:15:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:15:27,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:15:33,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1826 states and 2131 transitions. [2018-12-02 15:15:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2131 transitions. [2018-12-02 15:15:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:15:33,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:15:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:35,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1852 states and 2156 transitions. [2018-12-02 15:15:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2156 transitions. [2018-12-02 15:15:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 15:15:35,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 15:15:37,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1880 states and 2191 transitions. [2018-12-02 15:15:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2191 transitions. [2018-12-02 15:15:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 15:15:37,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:37,664 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 15:15:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1907 states and 2221 transitions. [2018-12-02 15:15:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2221 transitions. [2018-12-02 15:15:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 15:15:38,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 15:15:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1926 states and 2244 transitions. [2018-12-02 15:15:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2244 transitions. [2018-12-02 15:15:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 15:15:39,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:15:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1960 states and 2280 transitions. [2018-12-02 15:15:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2280 transitions. [2018-12-02 15:15:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 15:15:40,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 15:15:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2004 states and 2323 transitions. [2018-12-02 15:15:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2323 transitions. [2018-12-02 15:15:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 15:15:40,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:15:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2014 states and 2335 transitions. [2018-12-02 15:15:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2335 transitions. [2018-12-02 15:15:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 15:15:41,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 15:15:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2016 states and 2338 transitions. [2018-12-02 15:15:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2338 transitions. [2018-12-02 15:15:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 15:15:41,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 15:15:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2110 states and 2433 transitions. [2018-12-02 15:15:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2433 transitions. [2018-12-02 15:15:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 15:15:46,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:15:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2134 states and 2458 transitions. [2018-12-02 15:15:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2458 transitions. [2018-12-02 15:15:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 15:15:48,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 15:15:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2172 states and 2501 transitions. [2018-12-02 15:15:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2501 transitions. [2018-12-02 15:15:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-02 15:15:49,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 15:15:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2175 states and 2503 transitions. [2018-12-02 15:15:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2503 transitions. [2018-12-02 15:15:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 15:15:49,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 15:15:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2188 states and 2518 transitions. [2018-12-02 15:15:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2518 transitions. [2018-12-02 15:15:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 15:15:50,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 15:15:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2211 states and 2540 transitions. [2018-12-02 15:15:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2540 transitions. [2018-12-02 15:15:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 15:15:50,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2226 states and 2555 transitions. [2018-12-02 15:15:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2555 transitions. [2018-12-02 15:15:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-02 15:15:50,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:15:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2233 states and 2562 transitions. [2018-12-02 15:15:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2562 transitions. [2018-12-02 15:15:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 15:15:50,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2238 states and 2574 transitions. [2018-12-02 15:15:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2574 transitions. [2018-12-02 15:15:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 15:15:51,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2241 states and 2578 transitions. [2018-12-02 15:15:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2578 transitions. [2018-12-02 15:15:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 15:15:52,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 15:15:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:15:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2244 states and 2581 transitions. [2018-12-02 15:15:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2581 transitions. [2018-12-02 15:15:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:15:52,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:15:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:15:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:15:57,346 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-02 15:15:59,617 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 15:16:02,032 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-02 15:16:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2336 states and 2675 transitions. [2018-12-02 15:16:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2675 transitions. [2018-12-02 15:16:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 15:16:04,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 15:16:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:05,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2362 states and 2700 transitions. [2018-12-02 15:16:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2700 transitions. [2018-12-02 15:16:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 15:16:05,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 215 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:16:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2411 states and 2756 transitions. [2018-12-02 15:16:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2756 transitions. [2018-12-02 15:16:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 15:16:12,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:16:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2417 states and 2761 transitions. [2018-12-02 15:16:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2761 transitions. [2018-12-02 15:16:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 15:16:12,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 15:16:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2418 states and 2761 transitions. [2018-12-02 15:16:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 2761 transitions. [2018-12-02 15:16:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 15:16:12,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:16:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2441 states and 2785 transitions. [2018-12-02 15:16:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 2785 transitions. [2018-12-02 15:16:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 15:16:14,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:16:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2442 states and 2786 transitions. [2018-12-02 15:16:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2786 transitions. [2018-12-02 15:16:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 15:16:14,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:16:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2452 states and 2796 transitions. [2018-12-02 15:16:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 2796 transitions. [2018-12-02 15:16:15,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 15:16:15,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 15:16:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2455 states and 2799 transitions. [2018-12-02 15:16:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 2799 transitions. [2018-12-02 15:16:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 15:16:16,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 15:16:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2513 states and 2857 transitions. [2018-12-02 15:16:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 2857 transitions. [2018-12-02 15:16:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 15:16:20,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-02 15:16:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2513 states and 2856 transitions. [2018-12-02 15:16:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 2856 transitions. [2018-12-02 15:16:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 15:16:20,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-02 15:16:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 2688 states and 3050 transitions. [2018-12-02 15:16:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3050 transitions. [2018-12-02 15:16:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 15:16:24,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 15:16:29,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2718 states and 3079 transitions. [2018-12-02 15:16:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3079 transitions. [2018-12-02 15:16:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 15:16:29,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 15:16:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 2724 states and 3088 transitions. [2018-12-02 15:16:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3088 transitions. [2018-12-02 15:16:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 15:16:30,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 15:16:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 2766 states and 3130 transitions. [2018-12-02 15:16:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3130 transitions. [2018-12-02 15:16:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 15:16:31,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 15:16:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 2768 states and 3132 transitions. [2018-12-02 15:16:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3132 transitions. [2018-12-02 15:16:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 15:16:31,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:16:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 2813 states and 3189 transitions. [2018-12-02 15:16:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3189 transitions. [2018-12-02 15:16:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 15:16:33,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:16:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2825 states and 3203 transitions. [2018-12-02 15:16:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3203 transitions. [2018-12-02 15:16:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 15:16:36,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:16:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 2829 states and 3206 transitions. [2018-12-02 15:16:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3206 transitions. [2018-12-02 15:16:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 15:16:36,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 15:16:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 2835 states and 3213 transitions. [2018-12-02 15:16:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3213 transitions. [2018-12-02 15:16:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 15:16:37,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 15:16:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 2883 states and 3261 transitions. [2018-12-02 15:16:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 3261 transitions. [2018-12-02 15:16:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 15:16:39,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 15:16:40,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 2914 states and 3291 transitions. [2018-12-02 15:16:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 3291 transitions. [2018-12-02 15:16:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 15:16:40,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 15:16:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 2920 states and 3296 transitions. [2018-12-02 15:16:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 3296 transitions. [2018-12-02 15:16:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-02 15:16:40,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 260 proven. 4 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 15:16:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 2923 states and 3299 transitions. [2018-12-02 15:16:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3299 transitions. [2018-12-02 15:16:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 15:16:40,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 232 proven. 10 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 15:16:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 2932 states and 3307 transitions. [2018-12-02 15:16:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3307 transitions. [2018-12-02 15:16:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 15:16:40,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:16:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 2950 states and 3324 transitions. [2018-12-02 15:16:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 3324 transitions. [2018-12-02 15:16:41,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 15:16:41,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:16:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2954 states and 3328 transitions. [2018-12-02 15:16:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 3328 transitions. [2018-12-02 15:16:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 15:16:42,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 244 proven. 5 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-02 15:16:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2998 states and 3374 transitions. [2018-12-02 15:16:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3374 transitions. [2018-12-02 15:16:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 15:16:43,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 244 proven. 5 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-02 15:16:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3001 states and 3378 transitions. [2018-12-02 15:16:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3378 transitions. [2018-12-02 15:16:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 15:16:44,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 15:16:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3072 states and 3450 transitions. [2018-12-02 15:16:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3450 transitions. [2018-12-02 15:16:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 15:16:49,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 15:16:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3452 states to 3073 states and 3452 transitions. [2018-12-02 15:16:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3452 transitions. [2018-12-02 15:16:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 15:16:50,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 15:16:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 3073 states and 3451 transitions. [2018-12-02 15:16:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3451 transitions. [2018-12-02 15:16:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 15:16:51,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 15:16:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3076 states and 3454 transitions. [2018-12-02 15:16:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3454 transitions. [2018-12-02 15:16:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-02 15:16:52,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:16:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:16:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3095 states and 3475 transitions. [2018-12-02 15:16:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3475 transitions. [2018-12-02 15:16:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-02 15:16:58,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:16:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:16:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:17:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3113 states and 3493 transitions. [2018-12-02 15:17:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 3493 transitions. [2018-12-02 15:17:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-02 15:17:02,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 325 proven. 4 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 15:17:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3216 states and 3608 transitions. [2018-12-02 15:17:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3608 transitions. [2018-12-02 15:17:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-02 15:17:08,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 325 proven. 4 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 15:17:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3234 states and 3626 transitions. [2018-12-02 15:17:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 3626 transitions. [2018-12-02 15:17:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-02 15:17:11,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 325 proven. 4 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 15:17:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3238 states and 3630 transitions. [2018-12-02 15:17:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 3630 transitions. [2018-12-02 15:17:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-02 15:17:12,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 15:17:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 3292 states and 3693 transitions. [2018-12-02 15:17:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 3693 transitions. [2018-12-02 15:17:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-02 15:17:16,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-02 15:17:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3339 states and 3742 transitions. [2018-12-02 15:17:18,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 3742 transitions. [2018-12-02 15:17:18,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 15:17:18,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 15:17:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3417 states and 3823 transitions. [2018-12-02 15:17:22,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 3823 transitions. [2018-12-02 15:17:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 15:17:22,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 15:17:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3419 states and 3824 transitions. [2018-12-02 15:17:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 3824 transitions. [2018-12-02 15:17:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-02 15:17:22,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 15:17:27,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3471 states and 3884 transitions. [2018-12-02 15:17:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3471 states and 3884 transitions. [2018-12-02 15:17:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-02 15:17:27,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 15:17:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 3555 states and 3970 transitions. [2018-12-02 15:17:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 3970 transitions. [2018-12-02 15:17:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 15:17:29,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:17:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 3593 states and 4012 transitions. [2018-12-02 15:17:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3593 states and 4012 transitions. [2018-12-02 15:17:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:35,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-02 15:17:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 3629 states and 4051 transitions. [2018-12-02 15:17:37,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 4051 transitions. [2018-12-02 15:17:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:37,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-02 15:17:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 3660 states and 4083 transitions. [2018-12-02 15:17:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4083 transitions. [2018-12-02 15:17:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:39,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 349 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-02 15:17:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:40,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 3664 states and 4086 transitions. [2018-12-02 15:17:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 4086 transitions. [2018-12-02 15:17:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:40,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 298 proven. 10 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 15:17:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 3671 states and 4094 transitions. [2018-12-02 15:17:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 4094 transitions. [2018-12-02 15:17:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:40,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 298 proven. 10 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 15:17:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 3703 states and 4126 transitions. [2018-12-02 15:17:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 4126 transitions. [2018-12-02 15:17:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 15:17:44,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 298 proven. 10 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 15:17:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 3713 states and 4135 transitions. [2018-12-02 15:17:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 4135 transitions. [2018-12-02 15:17:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 15:17:45,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 15:17:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 3781 states and 4203 transitions. [2018-12-02 15:17:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3781 states and 4203 transitions. [2018-12-02 15:17:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 15:17:48,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 15:17:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 3787 states and 4208 transitions. [2018-12-02 15:17:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4208 transitions. [2018-12-02 15:17:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-02 15:17:48,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 15:17:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 3801 states and 4223 transitions. [2018-12-02 15:17:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3801 states and 4223 transitions. [2018-12-02 15:17:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-02 15:17:49,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 15:17:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4226 states to 3804 states and 4226 transitions. [2018-12-02 15:17:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 4226 transitions. [2018-12-02 15:17:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-02 15:17:50,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 15:17:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:17:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 3846 states and 4270 transitions. [2018-12-02 15:17:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4270 transitions. [2018-12-02 15:17:59,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 15:17:59,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:17:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:17:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 415 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-12-02 15:18:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 3867 states and 4300 transitions. [2018-12-02 15:18:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 4300 transitions. [2018-12-02 15:18:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 15:18:03,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 415 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-12-02 15:18:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 3919 states and 4353 transitions. [2018-12-02 15:18:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3919 states and 4353 transitions. [2018-12-02 15:18:04,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 15:18:04,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 415 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-12-02 15:18:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 3923 states and 4358 transitions. [2018-12-02 15:18:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 3923 states and 4358 transitions. [2018-12-02 15:18:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 15:18:06,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 415 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-12-02 15:18:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 3926 states and 4362 transitions. [2018-12-02 15:18:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 4362 transitions. [2018-12-02 15:18:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 15:18:06,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 15:18:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4503 states to 4048 states and 4503 transitions. [2018-12-02 15:18:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 4048 states and 4503 transitions. [2018-12-02 15:18:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 15:18:18,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-02 15:18:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 4099 states and 4553 transitions. [2018-12-02 15:18:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 4553 transitions. [2018-12-02 15:18:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 15:18:21,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:18:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4163 states and 4636 transitions. [2018-12-02 15:18:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 4636 transitions. [2018-12-02 15:18:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 15:18:36,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:18:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4194 states and 4667 transitions. [2018-12-02 15:18:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 4667 transitions. [2018-12-02 15:18:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 15:18:39,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 15:18:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4675 states to 4203 states and 4675 transitions. [2018-12-02 15:18:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4203 states and 4675 transitions. [2018-12-02 15:18:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 15:18:40,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 503 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 15:18:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4700 states to 4219 states and 4700 transitions. [2018-12-02 15:18:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 4700 transitions. [2018-12-02 15:18:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 15:18:42,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 503 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 15:18:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4223 states and 4706 transitions. [2018-12-02 15:18:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4223 states and 4706 transitions. [2018-12-02 15:18:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 15:18:43,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 503 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 15:18:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4226 states and 4709 transitions. [2018-12-02 15:18:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4226 states and 4709 transitions. [2018-12-02 15:18:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 15:18:44,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 15:18:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 74 proven. 401 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 15:18:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 15:18:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4260 states and 4755 transitions. [2018-12-02 15:18:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 4260 states and 4755 transitions. [2018-12-02 15:18:52,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:18:52,676 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 178 iterations. [2018-12-02 15:18:52,681 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 15:18:52,834 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-02 15:18:52,997 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2018-12-02 15:18:53,197 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 15:18:53,450 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 36 [2018-12-02 15:18:53,660 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-12-02 15:18:53,910 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2018-12-02 15:18:54,133 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-12-02 15:18:54,294 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 15:18:54,451 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 15:18:54,581 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 17 [2018-12-02 15:18:54,707 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-12-02 15:18:54,894 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2018-12-02 15:18:55,008 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-02 15:18:55,133 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2018-12-02 15:18:55,423 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-12-02 15:18:55,592 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2018-12-02 15:18:55,756 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2018-12-02 15:18:55,861 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2018-12-02 15:18:56,064 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2018-12-02 15:18:56,214 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 15:18:56,365 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 15:18:56,513 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-12-02 15:18:56,650 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-12-02 15:18:56,946 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 53 [2018-12-02 15:18:57,049 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-12-02 15:18:57,214 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2018-12-02 15:18:57,484 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-02 15:18:57,611 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2018-12-02 15:18:57,855 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-12-02 15:18:57,978 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2018-12-02 15:18:58,216 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-12-02 15:18:58,354 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-02 15:18:58,617 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-02 15:18:58,733 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-12-02 15:18:58,848 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-12-02 15:18:59,020 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2018-12-02 15:18:59,264 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-12-02 15:18:59,384 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 17 [2018-12-02 15:18:59,492 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 17 [2018-12-02 15:18:59,667 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2018-12-02 15:18:59,787 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2018-12-02 15:18:59,936 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 15:19:00,134 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 15:19:00,274 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-12-02 15:19:00,651 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2018-12-02 15:19:00,852 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-12-02 15:19:01,084 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-12-02 15:19:01,300 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 15:19:01,513 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 15:19:01,852 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2018-12-02 15:19:01,992 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2018-12-02 15:19:02,269 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 17 [2018-12-02 15:19:02,478 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2018-12-02 15:19:02,675 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-12-02 15:19:02,877 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-12-02 15:19:02,981 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 15:19:03,158 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 41 [2018-12-02 15:19:03,264 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-12-02 15:19:03,486 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 15:19:03,486 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 15:19:03,488 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 15:19:03,493 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 15:19:03,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:19:03 ImpRootNode [2018-12-02 15:19:03,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 15:19:03,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:19:03,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:19:03,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:19:03,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:42" (3/4) ... [2018-12-02 15:19:03,496 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:19:03,508 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 15:19:03,509 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 15:19:03,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 15:19:03,510 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 15:19:03,570 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fcc712de-a60a-4db3-ac3f-b28b38ee9283/bin-2019/ukojak/witness.graphml [2018-12-02 15:19:03,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:19:03,571 INFO L168 Benchmark]: Toolchain (without parser) took 262325.58 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 945.2 MB in the beginning and 1.2 GB in the end (delta: -299.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 15:19:03,571 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 15:19:03,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-02 15:19:03,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 15:19:03,571 INFO L168 Benchmark]: Boogie Preprocessor took 29.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:19:03,571 INFO L168 Benchmark]: RCFGBuilder took 1032.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 224.3 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. [2018-12-02 15:19:03,572 INFO L168 Benchmark]: CodeCheck took 260857.12 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 875.3 MB in the beginning and 1.2 GB in the end (delta: -369.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-02 15:19:03,572 INFO L168 Benchmark]: Witness Printer took 76.57 ms. Allocated memory is still 2.8 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:19:03,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 250.0s OverallTime, 178 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -888930884 SDtfs, 915150812 SDslu, 1663525544 SDs, 0 SdLazy, -1672990368 SolverSat, 593160140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 915.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239163 GetRequests, 232875 SyntacticMatches, 4456 SemanticMatches, 1832 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485791 ImplicationChecksByTransitivity, 220.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 36782 NumberOfCodeBlocks, 36782 NumberOfCodeBlocksAsserted, 177 NumberOfCheckSat, 36605 ConstructedInterpolants, 0 QuantifiedInterpolants, 35541795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 177 InterpolantComputations, 132 PerfectInterpolantSequences, 38586/39760 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: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a19 == 1) || !(a17 == 7)) || !(a25 == 1)) || a11 == 1) || !(a28 == 7) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a25 == 1) || !(a17 == 7)) || !(a19 == 1)) || a11 == 1) || !(a28 == 7) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 287.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1032.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.3 MB in the end (delta: 224.3 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. * CodeCheck took 260857.12 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 875.3 MB in the beginning and 1.2 GB in the end (delta: -369.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 76.57 ms. Allocated memory is still 2.8 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...