./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_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_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/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 29670da151301b8436a6c7ddafad57f5257b4a8d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:41:39,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:41:39,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:41:39,191 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:41:39,191 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:41:39,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:41:39,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:41:39,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:41:39,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:41:39,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:41:39,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:41:39,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:41:39,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:41:39,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:41:39,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:41:39,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:41:39,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:41:39,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:41:39,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:41:39,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:41:39,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:41:39,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:41:39,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:41:39,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:41:39,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:41:39,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:41:39,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:41:39,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:41:39,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:41:39,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:41:39,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:41:39,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:41:39,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:41:39,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:41:39,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:41:39,208 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:41:39,208 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 19:41:39,216 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:41:39,216 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:41:39,217 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:41:39,217 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:41:39,217 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:41:39,217 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:41:39,217 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:41:39,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:41:39,219 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:41:39,219 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:41:39,219 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:41:39,219 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:41:39,219 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:41:39,219 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:41:39,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:41:39,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:41:39,220 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:41:39,220 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:41:39,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:41:39,220 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:41:39,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:41:39,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:41:39,220 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_5257cf16-2a50-4617-b642-2e3b6e4208b5/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-12-01 19:41:39,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:41:39,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:41:39,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:41:39,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:41:39,249 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:41:39,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-01 19:41:39,288 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/data/434fbf8b1/676140334b2542b1a5c62b5e7ed051a6/FLAG42125ad84 [2018-12-01 19:41:39,627 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:41:39,628 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-01 19:41:39,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/data/434fbf8b1/676140334b2542b1a5c62b5e7ed051a6/FLAG42125ad84 [2018-12-01 19:41:39,648 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/data/434fbf8b1/676140334b2542b1a5c62b5e7ed051a6 [2018-12-01 19:41:39,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:41:39,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:41:39,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:41:39,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:41:39,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:41:39,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:41:39" (1/1) ... [2018-12-01 19:41:39,658 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 01.12 07:41:39, skipping insertion in model container [2018-12-01 19:41:39,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:41:39" (1/1) ... [2018-12-01 19:41:39,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:41:39,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:41:39,901 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:41:39,904 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:41:39,990 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:41:40,000 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:41:40,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40 WrapperNode [2018-12-01 19:41:40,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:41:40,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:41:40,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:41:40,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:41:40,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:41:40,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:41:40,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:41:40,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:41:40,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... [2018-12-01 19:41:40,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:41:40,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:41:40,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:41:40,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:41:40,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:41:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/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 [2018-12-01 19:41:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:41:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:41:41,022 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:41:41,023 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 19:41:41,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:41:41 BoogieIcfgContainer [2018-12-01 19:41:41,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:41:41,024 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:41:41,024 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:41:41,030 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:41:41,031 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:41:41" (1/1) ... [2018-12-01 19:41:41,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:41:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 19:41:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 19:41:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 19:41:41,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2018-12-01 19:41:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2018-12-01 19:41:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 19:41:41,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2018-12-01 19:41:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2018-12-01 19:41:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 19:41:41,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2018-12-01 19:41:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2018-12-01 19:41:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 19:41:41,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 219 states and 335 transitions. [2018-12-01 19:41:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 335 transitions. [2018-12-01 19:41:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 19:41:42,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:41:42,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 220 states and 336 transitions. [2018-12-01 19:41:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 336 transitions. [2018-12-01 19:41:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 19:41:42,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 19:41:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 231 states and 354 transitions. [2018-12-01 19:41:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 354 transitions. [2018-12-01 19:41:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 19:41:42,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 245 states and 374 transitions. [2018-12-01 19:41:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 374 transitions. [2018-12-01 19:41:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 19:41:42,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 260 states and 396 transitions. [2018-12-01 19:41:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 396 transitions. [2018-12-01 19:41:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 19:41:43,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 266 states and 405 transitions. [2018-12-01 19:41:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 405 transitions. [2018-12-01 19:41:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 19:41:43,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 281 states and 424 transitions. [2018-12-01 19:41:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 424 transitions. [2018-12-01 19:41:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 19:41:44,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 19:41:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:44,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 295 states and 443 transitions. [2018-12-01 19:41:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 443 transitions. [2018-12-01 19:41:44,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 19:41:44,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 19:41:44,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 298 states and 447 transitions. [2018-12-01 19:41:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 447 transitions. [2018-12-01 19:41:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 19:41:44,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:41:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 303 states and 453 transitions. [2018-12-01 19:41:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 453 transitions. [2018-12-01 19:41:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 19:41:44,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 322 states and 474 transitions. [2018-12-01 19:41:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 474 transitions. [2018-12-01 19:41:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 19:41:44,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:41:45,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 331 states and 482 transitions. [2018-12-01 19:41:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 482 transitions. [2018-12-01 19:41:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 19:41:45,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:41:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 344 states and 497 transitions. [2018-12-01 19:41:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 497 transitions. [2018-12-01 19:41:45,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:41:45,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:41:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:45,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 351 states and 505 transitions. [2018-12-01 19:41:45,351 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 505 transitions. [2018-12-01 19:41:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 19:41:45,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:41:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 353 states and 507 transitions. [2018-12-01 19:41:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 507 transitions. [2018-12-01 19:41:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 19:41:45,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 19:41:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 371 states and 530 transitions. [2018-12-01 19:41:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 530 transitions. [2018-12-01 19:41:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 19:41:45,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:41:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 441 states and 603 transitions. [2018-12-01 19:41:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 603 transitions. [2018-12-01 19:41:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 19:41:46,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:41:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 448 states and 611 transitions. [2018-12-01 19:41:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 611 transitions. [2018-12-01 19:41:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 19:41:46,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:41:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 456 states and 618 transitions. [2018-12-01 19:41:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 618 transitions. [2018-12-01 19:41:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 19:41:46,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 478 states and 641 transitions. [2018-12-01 19:41:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 641 transitions. [2018-12-01 19:41:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 19:41:47,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 19:41:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 522 states and 698 transitions. [2018-12-01 19:41:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2018-12-01 19:41:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 19:41:48,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 19:41:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 560 states and 742 transitions. [2018-12-01 19:41:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 742 transitions. [2018-12-01 19:41:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 19:41:49,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 19:41:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 570 states and 753 transitions. [2018-12-01 19:41:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 753 transitions. [2018-12-01 19:41:49,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 19:41:49,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 608 states and 799 transitions. [2018-12-01 19:41:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 799 transitions. [2018-12-01 19:41:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 19:41:50,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 611 states and 804 transitions. [2018-12-01 19:41:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 804 transitions. [2018-12-01 19:41:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 19:41:50,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 640 states and 843 transitions. [2018-12-01 19:41:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 843 transitions. [2018-12-01 19:41:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 19:41:51,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 643 states and 846 transitions. [2018-12-01 19:41:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 846 transitions. [2018-12-01 19:41:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 19:41:52,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:52,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 654 states and 856 transitions. [2018-12-01 19:41:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 856 transitions. [2018-12-01 19:41:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 19:41:52,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 676 states and 882 transitions. [2018-12-01 19:41:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 882 transitions. [2018-12-01 19:41:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 19:41:52,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 698 states and 917 transitions. [2018-12-01 19:41:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 917 transitions. [2018-12-01 19:41:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 19:41:54,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 714 states and 939 transitions. [2018-12-01 19:41:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 939 transitions. [2018-12-01 19:41:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 19:41:55,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 721 states and 947 transitions. [2018-12-01 19:41:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 947 transitions. [2018-12-01 19:41:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 19:41:55,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 19:41:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 733 states and 959 transitions. [2018-12-01 19:41:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 959 transitions. [2018-12-01 19:41:55,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 19:41:55,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 19:41:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 734 states and 960 transitions. [2018-12-01 19:41:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 960 transitions. [2018-12-01 19:41:55,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 19:41:55,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 739 states and 966 transitions. [2018-12-01 19:41:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 966 transitions. [2018-12-01 19:41:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 19:41:55,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 741 states and 968 transitions. [2018-12-01 19:41:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 968 transitions. [2018-12-01 19:41:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 19:41:56,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:41:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:41:56,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 754 states and 989 transitions. [2018-12-01 19:41:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 989 transitions. [2018-12-01 19:41:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 19:41:56,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:41:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:41:57,435 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:41:59,315 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-01 19:42:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 819 states and 1055 transitions. [2018-12-01 19:42:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1055 transitions. [2018-12-01 19:42:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 19:42:01,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 825 states and 1063 transitions. [2018-12-01 19:42:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1063 transitions. [2018-12-01 19:42:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 19:42:02,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 19:42:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 832 states and 1070 transitions. [2018-12-01 19:42:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1070 transitions. [2018-12-01 19:42:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 19:42:02,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 19:42:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 834 states and 1071 transitions. [2018-12-01 19:42:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1071 transitions. [2018-12-01 19:42:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 19:42:02,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 19:42:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 883 states and 1126 transitions. [2018-12-01 19:42:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1126 transitions. [2018-12-01 19:42:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 19:42:03,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 900 states and 1150 transitions. [2018-12-01 19:42:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1150 transitions. [2018-12-01 19:42:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 19:42:04,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 914 states and 1162 transitions. [2018-12-01 19:42:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1162 transitions. [2018-12-01 19:42:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 19:42:04,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 922 states and 1170 transitions. [2018-12-01 19:42:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1170 transitions. [2018-12-01 19:42:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 19:42:05,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 954 states and 1207 transitions. [2018-12-01 19:42:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1207 transitions. [2018-12-01 19:42:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 19:42:06,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:06,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 962 states and 1214 transitions. [2018-12-01 19:42:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1214 transitions. [2018-12-01 19:42:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 19:42:06,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 19:42:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 966 states and 1217 transitions. [2018-12-01 19:42:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1217 transitions. [2018-12-01 19:42:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 19:42:06,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:42:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1035 states and 1287 transitions. [2018-12-01 19:42:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1287 transitions. [2018-12-01 19:42:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 19:42:07,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1042 states and 1297 transitions. [2018-12-01 19:42:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1297 transitions. [2018-12-01 19:42:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 19:42:08,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1047 states and 1301 transitions. [2018-12-01 19:42:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1301 transitions. [2018-12-01 19:42:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 19:42:08,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 19:42:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1062 states and 1318 transitions. [2018-12-01 19:42:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1318 transitions. [2018-12-01 19:42:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 19:42:09,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:10,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1071 states and 1327 transitions. [2018-12-01 19:42:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1327 transitions. [2018-12-01 19:42:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 19:42:10,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 19:42:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1084 states and 1346 transitions. [2018-12-01 19:42:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1346 transitions. [2018-12-01 19:42:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 19:42:10,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 19:42:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1089 states and 1350 transitions. [2018-12-01 19:42:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1350 transitions. [2018-12-01 19:42:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 19:42:11,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 19:42:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:11,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1094 states and 1354 transitions. [2018-12-01 19:42:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1354 transitions. [2018-12-01 19:42:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 19:42:11,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 19:42:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1114 states and 1379 transitions. [2018-12-01 19:42:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1379 transitions. [2018-12-01 19:42:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 19:42:12,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 19:42:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1119 states and 1383 transitions. [2018-12-01 19:42:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1383 transitions. [2018-12-01 19:42:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 19:42:13,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1133 states and 1405 transitions. [2018-12-01 19:42:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1405 transitions. [2018-12-01 19:42:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 19:42:13,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:14,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1144 states and 1416 transitions. [2018-12-01 19:42:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1416 transitions. [2018-12-01 19:42:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 19:42:14,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-01 19:42:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1157 states and 1431 transitions. [2018-12-01 19:42:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1431 transitions. [2018-12-01 19:42:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 19:42:14,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:42:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1170 states and 1446 transitions. [2018-12-01 19:42:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1446 transitions. [2018-12-01 19:42:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 19:42:15,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-01 19:42:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1175 states and 1460 transitions. [2018-12-01 19:42:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1460 transitions. [2018-12-01 19:42:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 19:42:15,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 19:42:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1204 states and 1490 transitions. [2018-12-01 19:42:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1490 transitions. [2018-12-01 19:42:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 19:42:18,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 19:42:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1211 states and 1497 transitions. [2018-12-01 19:42:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1497 transitions. [2018-12-01 19:42:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 19:42:18,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 19:42:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1221 states and 1506 transitions. [2018-12-01 19:42:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1506 transitions. [2018-12-01 19:42:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 19:42:18,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 19:42:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1236 states and 1526 transitions. [2018-12-01 19:42:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1526 transitions. [2018-12-01 19:42:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 19:42:19,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 19:42:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1246 states and 1537 transitions. [2018-12-01 19:42:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1537 transitions. [2018-12-01 19:42:19,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 19:42:19,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 19:42:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1254 states and 1545 transitions. [2018-12-01 19:42:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1545 transitions. [2018-12-01 19:42:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 19:42:19,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 19:42:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1256 states and 1547 transitions. [2018-12-01 19:42:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1547 transitions. [2018-12-01 19:42:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 19:42:20,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 19:42:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1260 states and 1553 transitions. [2018-12-01 19:42:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1553 transitions. [2018-12-01 19:42:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 19:42:22,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 19:42:23,844 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-01 19:42:24,841 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 19:42:25,432 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 19:42:26,340 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 19:42:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1308 states and 1601 transitions. [2018-12-01 19:42:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1601 transitions. [2018-12-01 19:42:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 19:42:28,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1332 states and 1635 transitions. [2018-12-01 19:42:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1635 transitions. [2018-12-01 19:42:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 19:42:31,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1343 states and 1646 transitions. [2018-12-01 19:42:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1646 transitions. [2018-12-01 19:42:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 19:42:32,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:42:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1358 states and 1661 transitions. [2018-12-01 19:42:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1661 transitions. [2018-12-01 19:42:32,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 19:42:32,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:42:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1361 states and 1663 transitions. [2018-12-01 19:42:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2018-12-01 19:42:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 19:42:33,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 19:42:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1418 states and 1735 transitions. [2018-12-01 19:42:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1735 transitions. [2018-12-01 19:42:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 19:42:40,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 19:42:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1438 states and 1756 transitions. [2018-12-01 19:42:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1756 transitions. [2018-12-01 19:42:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 19:42:41,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 19:42:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1446 states and 1764 transitions. [2018-12-01 19:42:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1764 transitions. [2018-12-01 19:42:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 19:42:41,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 19:42:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1451 states and 1773 transitions. [2018-12-01 19:42:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1773 transitions. [2018-12-01 19:42:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-01 19:42:41,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-01 19:42:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1461 states and 1783 transitions. [2018-12-01 19:42:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1783 transitions. [2018-12-01 19:42:42,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 19:42:42,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 19:42:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1468 states and 1790 transitions. [2018-12-01 19:42:42,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1790 transitions. [2018-12-01 19:42:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 19:42:42,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-01 19:42:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1481 states and 1801 transitions. [2018-12-01 19:42:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1801 transitions. [2018-12-01 19:42:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-01 19:42:42,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:42:43,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1485 states and 1806 transitions. [2018-12-01 19:42:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1806 transitions. [2018-12-01 19:42:43,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 19:42:43,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 19:42:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1503 states and 1822 transitions. [2018-12-01 19:42:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1822 transitions. [2018-12-01 19:42:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-01 19:42:43,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 19:42:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1514 states and 1832 transitions. [2018-12-01 19:42:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1832 transitions. [2018-12-01 19:42:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 19:42:44,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 19:42:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1585 states and 1919 transitions. [2018-12-01 19:42:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1919 transitions. [2018-12-01 19:42:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 19:42:47,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 19:42:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1602 states and 1934 transitions. [2018-12-01 19:42:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1934 transitions. [2018-12-01 19:42:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 19:42:49,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 19:42:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1606 states and 1939 transitions. [2018-12-01 19:42:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1939 transitions. [2018-12-01 19:42:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 19:42:49,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 19:42:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1631 states and 1972 transitions. [2018-12-01 19:42:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1972 transitions. [2018-12-01 19:42:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 19:42:52,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 19:42:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1644 states and 1986 transitions. [2018-12-01 19:42:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1986 transitions. [2018-12-01 19:42:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 19:42:52,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-01 19:42:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1652 states and 1994 transitions. [2018-12-01 19:42:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1994 transitions. [2018-12-01 19:42:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-01 19:42:53,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-12-01 19:42:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1678 states and 2023 transitions. [2018-12-01 19:42:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2023 transitions. [2018-12-01 19:42:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-01 19:42:54,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-01 19:42:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1698 states and 2050 transitions. [2018-12-01 19:42:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2050 transitions. [2018-12-01 19:42:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-01 19:42:55,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 19:42:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:42:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1743 states and 2101 transitions. [2018-12-01 19:42:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2101 transitions. [2018-12-01 19:42:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-01 19:42:59,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:42:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:42:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-01 19:43:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1773 states and 2133 transitions. [2018-12-01 19:43:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2133 transitions. [2018-12-01 19:43:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 19:43:01,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 342 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:43:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1792 states and 2158 transitions. [2018-12-01 19:43:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2158 transitions. [2018-12-01 19:43:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 19:43:02,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-01 19:43:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1843 states and 2216 transitions. [2018-12-01 19:43:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2216 transitions. [2018-12-01 19:43:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 19:43:03,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-01 19:43:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1857 states and 2233 transitions. [2018-12-01 19:43:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2233 transitions. [2018-12-01 19:43:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 19:43:04,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-01 19:43:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1868 states and 2243 transitions. [2018-12-01 19:43:04,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2243 transitions. [2018-12-01 19:43:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 19:43:04,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:04,518 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-01 19:43:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1872 states and 2247 transitions. [2018-12-01 19:43:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2247 transitions. [2018-12-01 19:43:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-01 19:43:04,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 19:43:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1905 states and 2283 transitions. [2018-12-01 19:43:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2283 transitions. [2018-12-01 19:43:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-01 19:43:05,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-01 19:43:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1920 states and 2296 transitions. [2018-12-01 19:43:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2296 transitions. [2018-12-01 19:43:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-01 19:43:06,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 19:43:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1969 states and 2349 transitions. [2018-12-01 19:43:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2349 transitions. [2018-12-01 19:43:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 19:43:12,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 19:43:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2024 states and 2415 transitions. [2018-12-01 19:43:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2415 transitions. [2018-12-01 19:43:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 19:43:19,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 19:43:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2025 states and 2415 transitions. [2018-12-01 19:43:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2415 transitions. [2018-12-01 19:43:19,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-01 19:43:19,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 19:43:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2035 states and 2426 transitions. [2018-12-01 19:43:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2426 transitions. [2018-12-01 19:43:20,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 19:43:20,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 19:43:30,527 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-01 19:43:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2141 states and 2542 transitions. [2018-12-01 19:43:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2542 transitions. [2018-12-01 19:43:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 19:43:31,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:43:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2147 states and 2549 transitions. [2018-12-01 19:43:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2549 transitions. [2018-12-01 19:43:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 19:43:32,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:43:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:33,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2155 states and 2556 transitions. [2018-12-01 19:43:33,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2556 transitions. [2018-12-01 19:43:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 19:43:33,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:43:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2163 states and 2563 transitions. [2018-12-01 19:43:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2563 transitions. [2018-12-01 19:43:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-01 19:43:33,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 389 proven. 60 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 19:43:37,300 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-01 19:43:38,904 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-01 19:43:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2193 states and 2598 transitions. [2018-12-01 19:43:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2598 transitions. [2018-12-01 19:43:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 19:43:46,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:48,769 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-01 19:43:49,827 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-01 19:43:50,917 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 19:43:51,987 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-01 19:43:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 19:43:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:43:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2243 states and 2649 transitions. [2018-12-01 19:43:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2649 transitions. [2018-12-01 19:43:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 19:43:58,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:43:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:43:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 19:44:02,053 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-12-01 19:44:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2265 states and 2671 transitions. [2018-12-01 19:44:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2671 transitions. [2018-12-01 19:44:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-01 19:44:02,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-01 19:44:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2267 states and 2672 transitions. [2018-12-01 19:44:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2672 transitions. [2018-12-01 19:44:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-01 19:44:03,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-01 19:44:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2343 states and 2749 transitions. [2018-12-01 19:44:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2749 transitions. [2018-12-01 19:44:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 19:44:03,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 19:44:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2405 states and 2819 transitions. [2018-12-01 19:44:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2819 transitions. [2018-12-01 19:44:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-01 19:44:12,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-01 19:44:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2424 states and 2838 transitions. [2018-12-01 19:44:13,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2838 transitions. [2018-12-01 19:44:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-01 19:44:13,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-01 19:44:19,775 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 19:44:22,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2486 states and 2902 transitions. [2018-12-01 19:44:22,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2902 transitions. [2018-12-01 19:44:22,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 19:44:22,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-01 19:44:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:44:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2496 states and 2911 transitions. [2018-12-01 19:44:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2911 transitions. [2018-12-01 19:44:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 19:44:22,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:44:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:44:26,331 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2018-12-01 19:44:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:44:52,076 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 19:44:54,171 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 19:44:57,507 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 19:45:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:45:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2469 states and 2909 transitions. [2018-12-01 19:45:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2909 transitions. [2018-12-01 19:45:01,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:45:01,218 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 125 iterations. [2018-12-01 19:45:01,232 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 19:45:01,339 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2018-12-01 19:45:01,607 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-12-01 19:45:01,817 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-01 19:45:01,980 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-01 19:45:02,092 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2018-12-01 19:45:02,317 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-12-01 19:45:02,490 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-01 19:45:02,658 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-12-01 19:45:02,758 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2018-12-01 19:45:02,897 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 36 [2018-12-01 19:45:03,130 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 36 [2018-12-01 19:45:03,312 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-12-01 19:45:03,702 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-12-01 19:45:03,908 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-01 19:45:04,052 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-01 19:45:04,856 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-12-01 19:45:05,028 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-12-01 19:45:05,223 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-01 19:45:05,392 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-01 19:45:05,503 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-12-01 19:45:05,790 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2018-12-01 19:45:06,353 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-12-01 19:45:06,598 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 58 [2018-12-01 19:45:06,993 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-01 19:45:07,157 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-01 19:45:07,296 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-01 19:45:07,401 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2018-12-01 19:45:07,587 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2018-12-01 19:45:07,608 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 19:45:07,610 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-01 19:45:07,617 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-01 19:45:07,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:45:07 ImpRootNode [2018-12-01 19:45:07,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:45:07,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:45:07,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:45:07,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:45:07,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:41:41" (3/4) ... [2018-12-01 19:45:07,621 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:45:07,633 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 19:45:07,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 19:45:07,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 19:45:07,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 19:45:07,708 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5257cf16-2a50-4617-b642-2e3b6e4208b5/bin-2019/ukojak/witness.graphml [2018-12-01 19:45:07,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:45:07,708 INFO L168 Benchmark]: Toolchain (without parser) took 208057.55 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 705.7 MB). Free memory was 951.7 MB in the beginning and 678.3 MB in the end (delta: 273.4 MB). Peak memory consumption was 979.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:45:07,709 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:45:07,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:45:07,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:45:07,709 INFO L168 Benchmark]: Boogie Preprocessor took 28.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:45:07,709 INFO L168 Benchmark]: RCFGBuilder took 954.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 874.6 MB in the end (delta: 217.2 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. [2018-12-01 19:45:07,709 INFO L168 Benchmark]: CodeCheck took 206594.19 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 588.8 MB). Free memory was 874.6 MB in the beginning and 694.9 MB in the end (delta: 179.7 MB). Peak memory consumption was 893.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:45:07,710 INFO L168 Benchmark]: Witness Printer took 89.71 ms. Allocated memory is still 1.7 GB. Free memory was 694.9 MB in the beginning and 678.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:45:07,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 200.1s OverallTime, 125 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2068941008 SDtfs, 892786886 SDslu, -471812900 SDs, 0 SdLazy, 1906568844 SolverSat, -732631702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 455.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143630 GetRequests, 140923 SyntacticMatches, 1303 SemanticMatches, 1404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361026 ImplicationChecksByTransitivity, 179.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 21141 NumberOfCodeBlocks, 21141 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 21017 ConstructedInterpolants, 0 QuantifiedInterpolants, 14678086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 124 InterpolantComputations, 105 PerfectInterpolantSequences, 22854/23292 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: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 954.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 874.6 MB in the end (delta: 217.2 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. * CodeCheck took 206594.19 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 588.8 MB). Free memory was 874.6 MB in the beginning and 694.9 MB in the end (delta: 179.7 MB). Peak memory consumption was 893.0 MB. Max. memory is 11.5 GB. * Witness Printer took 89.71 ms. Allocated memory is still 1.7 GB. Free memory was 694.9 MB in the beginning and 678.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...