./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_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_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:16:22,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:16:22,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:16:22,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:16:22,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:16:22,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:16:22,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:16:22,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:16:22,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:16:22,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:16:22,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:16:22,293 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:16:22,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:16:22,294 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:16:22,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:16:22,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:16:22,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:16:22,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:16:22,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:16:22,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:16:22,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:16:22,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:16:22,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:16:22,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:16:22,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:16:22,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:16:22,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:16:22,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:16:22,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:16:22,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:16:22,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:16:22,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:16:22,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:16:22,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:16:22,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:16:22,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:16:22,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:16:22,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:16:22,310 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:16:22,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:16:22,311 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:16:22,311 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:16:22,311 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:16:22,311 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:16:22,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:16:22,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:16:22,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:16:22,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:16:22,312 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:16:22,313 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:16:22,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:16:22,313 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_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer 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 -> Automizer 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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-12-08 16:16:22,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:16:22,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:16:22,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:16:22,340 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:16:22,340 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:16:22,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-08 16:16:22,381 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/data/8abfa2283/491b6abe726a4a529796c357fa5f046c/FLAG0b1cfe134 [2018-12-08 16:16:22,839 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:16:22,840 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-08 16:16:22,847 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/data/8abfa2283/491b6abe726a4a529796c357fa5f046c/FLAG0b1cfe134 [2018-12-08 16:16:22,857 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/data/8abfa2283/491b6abe726a4a529796c357fa5f046c [2018-12-08 16:16:22,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:16:22,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:16:22,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:16:22,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:16:22,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:16:22,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:16:22" (1/1) ... [2018-12-08 16:16:22,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:22, skipping insertion in model container [2018-12-08 16:16:22,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:16:22" (1/1) ... [2018-12-08 16:16:22,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:16:22,897 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:16:23,096 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:16:23,099 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:16:23,194 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:16:23,203 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:16:23,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23 WrapperNode [2018-12-08 16:16:23,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:16:23,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:16:23,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:16:23,204 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:16:23,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:16:23,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:16:23,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:16:23,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:16:23,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... [2018-12-08 16:16:23,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:16:23,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:16:23,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:16:23,266 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:16:23,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-08 16:16:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:16:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:16:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 16:16:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 16:16:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:16:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:16:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:16:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:16:24,058 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:16:24,058 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 16:16:24,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:16:24 BoogieIcfgContainer [2018-12-08 16:16:24,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:16:24,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:16:24,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:16:24,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:16:24,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:16:22" (1/3) ... [2018-12-08 16:16:24,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d456812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:16:24, skipping insertion in model container [2018-12-08 16:16:24,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:16:23" (2/3) ... [2018-12-08 16:16:24,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d456812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:16:24, skipping insertion in model container [2018-12-08 16:16:24,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:16:24" (3/3) ... [2018-12-08 16:16:24,065 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-12-08 16:16:24,073 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:16:24,080 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:16:24,094 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:16:24,115 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:16:24,116 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:16:24,116 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:16:24,116 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:16:24,116 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:16:24,116 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:16:24,116 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:16:24,116 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:16:24,117 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:16:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-08 16:16:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:16:24,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:24,136 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:24,137 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:24,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:24,140 INFO L82 PathProgramCache]: Analyzing trace with hash -950257557, now seen corresponding path program 1 times [2018-12-08 16:16:24,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:24,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:24,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:24,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:24,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:24,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:24,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:16:24,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:16:24,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:16:24,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:16:24,363 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-08 16:16:24,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:24,963 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-08 16:16:24,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:16:24,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-12-08 16:16:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:24,972 INFO L225 Difference]: With dead ends: 688 [2018-12-08 16:16:24,972 INFO L226 Difference]: Without dead ends: 372 [2018-12-08 16:16:24,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:16:24,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-08 16:16:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-08 16:16:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-08 16:16:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 584 transitions. [2018-12-08 16:16:25,013 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 584 transitions. Word has length 62 [2018-12-08 16:16:25,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:25,013 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 584 transitions. [2018-12-08 16:16:25,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:16:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 584 transitions. [2018-12-08 16:16:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 16:16:25,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:25,016 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:25,016 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:25,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:25,017 INFO L82 PathProgramCache]: Analyzing trace with hash -955889055, now seen corresponding path program 1 times [2018-12-08 16:16:25,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:25,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:25,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:25,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:25,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:16:25,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:16:25,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:16:25,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:16:25,108 INFO L87 Difference]: Start difference. First operand 372 states and 584 transitions. Second operand 6 states. [2018-12-08 16:16:25,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:25,705 INFO L93 Difference]: Finished difference Result 1126 states and 1797 transitions. [2018-12-08 16:16:25,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:16:25,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-08 16:16:25,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:25,709 INFO L225 Difference]: With dead ends: 1126 [2018-12-08 16:16:25,709 INFO L226 Difference]: Without dead ends: 760 [2018-12-08 16:16:25,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:16:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2018-12-08 16:16:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2018-12-08 16:16:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2018-12-08 16:16:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1095 transitions. [2018-12-08 16:16:25,734 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1095 transitions. Word has length 141 [2018-12-08 16:16:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:25,735 INFO L480 AbstractCegarLoop]: Abstraction has 748 states and 1095 transitions. [2018-12-08 16:16:25,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:16:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1095 transitions. [2018-12-08 16:16:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 16:16:25,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:25,738 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:25,739 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:25,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:25,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1117315654, now seen corresponding path program 1 times [2018-12-08 16:16:25,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:25,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:25,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:25,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:25,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:25,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:25,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:16:25,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:16:25,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:16:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:16:25,841 INFO L87 Difference]: Start difference. First operand 748 states and 1095 transitions. Second operand 4 states. [2018-12-08 16:16:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:26,417 INFO L93 Difference]: Finished difference Result 1858 states and 2695 transitions. [2018-12-08 16:16:26,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:16:26,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-12-08 16:16:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:26,422 INFO L225 Difference]: With dead ends: 1858 [2018-12-08 16:16:26,423 INFO L226 Difference]: Without dead ends: 1116 [2018-12-08 16:16:26,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:16:26,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-08 16:16:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 932. [2018-12-08 16:16:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-12-08 16:16:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1253 transitions. [2018-12-08 16:16:26,449 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1253 transitions. Word has length 174 [2018-12-08 16:16:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:26,450 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1253 transitions. [2018-12-08 16:16:26,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:16:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1253 transitions. [2018-12-08 16:16:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 16:16:26,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:26,453 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:26,454 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:26,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:26,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1149985643, now seen corresponding path program 1 times [2018-12-08 16:16:26,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:26,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:26,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:26,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:26,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:26,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:16:26,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:16:26,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:16:26,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:16:26,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:16:26,721 INFO L87 Difference]: Start difference. First operand 932 states and 1253 transitions. Second operand 6 states. [2018-12-08 16:16:27,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:27,490 INFO L93 Difference]: Finished difference Result 2258 states and 3067 transitions. [2018-12-08 16:16:27,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:16:27,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-08 16:16:27,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:27,494 INFO L225 Difference]: With dead ends: 2258 [2018-12-08 16:16:27,494 INFO L226 Difference]: Without dead ends: 1332 [2018-12-08 16:16:27,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:16:27,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2018-12-08 16:16:27,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1124. [2018-12-08 16:16:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-08 16:16:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1460 transitions. [2018-12-08 16:16:27,515 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1460 transitions. Word has length 227 [2018-12-08 16:16:27,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:27,516 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1460 transitions. [2018-12-08 16:16:27,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:16:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1460 transitions. [2018-12-08 16:16:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-12-08 16:16:27,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:27,520 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:27,520 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:27,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:27,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1540192005, now seen corresponding path program 1 times [2018-12-08 16:16:27,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:27,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:27,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:27,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:27,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 251 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:16:27,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:27,991 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:27,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:28,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 336 proven. 53 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-08 16:16:28,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:28,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-12-08 16:16:28,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 16:16:28,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 16:16:28,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:16:28,311 INFO L87 Difference]: Start difference. First operand 1124 states and 1460 transitions. Second operand 15 states. [2018-12-08 16:16:29,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:29,809 INFO L93 Difference]: Finished difference Result 2541 states and 3330 transitions. [2018-12-08 16:16:29,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 16:16:29,809 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 409 [2018-12-08 16:16:29,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:29,814 INFO L225 Difference]: With dead ends: 2541 [2018-12-08 16:16:29,814 INFO L226 Difference]: Without dead ends: 1378 [2018-12-08 16:16:29,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2018-12-08 16:16:29,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2018-12-08 16:16:29,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1316. [2018-12-08 16:16:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2018-12-08 16:16:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1569 transitions. [2018-12-08 16:16:29,844 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1569 transitions. Word has length 409 [2018-12-08 16:16:29,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:29,845 INFO L480 AbstractCegarLoop]: Abstraction has 1316 states and 1569 transitions. [2018-12-08 16:16:29,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 16:16:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1569 transitions. [2018-12-08 16:16:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-12-08 16:16:29,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:29,850 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:29,850 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:29,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1982849592, now seen corresponding path program 1 times [2018-12-08 16:16:29,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:29,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:29,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:29,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:29,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 258 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:16:30,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:30,510 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:30,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:30,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-12-08 16:16:30,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:16:30,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-12-08 16:16:30,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-08 16:16:30,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-08 16:16:30,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-08 16:16:30,711 INFO L87 Difference]: Start difference. First operand 1316 states and 1569 transitions. Second operand 22 states. [2018-12-08 16:16:35,156 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-12-08 16:16:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:36,627 INFO L93 Difference]: Finished difference Result 4464 states and 5808 transitions. [2018-12-08 16:16:36,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-12-08 16:16:36,627 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 434 [2018-12-08 16:16:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:36,638 INFO L225 Difference]: With dead ends: 4464 [2018-12-08 16:16:36,638 INFO L226 Difference]: Without dead ends: 3154 [2018-12-08 16:16:36,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1512, Invalid=7800, Unknown=0, NotChecked=0, Total=9312 [2018-12-08 16:16:36,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2018-12-08 16:16:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 2818. [2018-12-08 16:16:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2018-12-08 16:16:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3236 transitions. [2018-12-08 16:16:36,695 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3236 transitions. Word has length 434 [2018-12-08 16:16:36,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:36,696 INFO L480 AbstractCegarLoop]: Abstraction has 2818 states and 3236 transitions. [2018-12-08 16:16:36,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-08 16:16:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3236 transitions. [2018-12-08 16:16:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2018-12-08 16:16:36,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:36,701 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:36,701 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:36,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:36,702 INFO L82 PathProgramCache]: Analyzing trace with hash -200653041, now seen corresponding path program 1 times [2018-12-08 16:16:36,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:36,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:36,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:36,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:36,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 687 proven. 228 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2018-12-08 16:16:37,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:37,087 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:37,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:37,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 1347 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-12-08 16:16:37,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:37,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-08 16:16:37,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:16:37,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:16:37,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:16:37,407 INFO L87 Difference]: Start difference. First operand 2818 states and 3236 transitions. Second operand 7 states. [2018-12-08 16:16:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:38,498 INFO L93 Difference]: Finished difference Result 7164 states and 9216 transitions. [2018-12-08 16:16:38,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 16:16:38,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 800 [2018-12-08 16:16:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:38,515 INFO L225 Difference]: With dead ends: 7164 [2018-12-08 16:16:38,515 INFO L226 Difference]: Without dead ends: 4534 [2018-12-08 16:16:38,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:16:38,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2018-12-08 16:16:38,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4338. [2018-12-08 16:16:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2018-12-08 16:16:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 5045 transitions. [2018-12-08 16:16:38,606 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 5045 transitions. Word has length 800 [2018-12-08 16:16:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:38,607 INFO L480 AbstractCegarLoop]: Abstraction has 4338 states and 5045 transitions. [2018-12-08 16:16:38,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:16:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 5045 transitions. [2018-12-08 16:16:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2018-12-08 16:16:38,613 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:38,613 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:38,613 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:38,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1790395514, now seen corresponding path program 1 times [2018-12-08 16:16:38,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:38,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:38,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:38,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 694 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-12-08 16:16:39,005 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:39,005 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:39,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:39,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1361 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-12-08 16:16:39,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:39,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-08 16:16:39,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:16:39,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:16:39,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:16:39,309 INFO L87 Difference]: Start difference. First operand 4338 states and 5045 transitions. Second operand 7 states. [2018-12-08 16:16:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:40,395 INFO L93 Difference]: Finished difference Result 10758 states and 13636 transitions. [2018-12-08 16:16:40,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 16:16:40,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 807 [2018-12-08 16:16:40,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:40,410 INFO L225 Difference]: With dead ends: 10758 [2018-12-08 16:16:40,410 INFO L226 Difference]: Without dead ends: 6608 [2018-12-08 16:16:40,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:16:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2018-12-08 16:16:40,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 6402. [2018-12-08 16:16:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6402 states. [2018-12-08 16:16:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6402 states to 6402 states and 7509 transitions. [2018-12-08 16:16:40,508 INFO L78 Accepts]: Start accepts. Automaton has 6402 states and 7509 transitions. Word has length 807 [2018-12-08 16:16:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:40,509 INFO L480 AbstractCegarLoop]: Abstraction has 6402 states and 7509 transitions. [2018-12-08 16:16:40,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:16:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6402 states and 7509 transitions. [2018-12-08 16:16:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2018-12-08 16:16:40,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:40,517 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:40,517 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:40,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:40,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1982891454, now seen corresponding path program 1 times [2018-12-08 16:16:40,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:40,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:40,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:40,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:40,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 574 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-12-08 16:16:41,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:41,098 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:41,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:41,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 1385 proven. 2 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-12-08 16:16:41,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:41,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-12-08 16:16:41,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:16:41,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:16:41,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:16:41,421 INFO L87 Difference]: Start difference. First operand 6402 states and 7509 transitions. Second operand 7 states. [2018-12-08 16:16:42,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:42,101 INFO L93 Difference]: Finished difference Result 14286 states and 16932 transitions. [2018-12-08 16:16:42,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:16:42,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 867 [2018-12-08 16:16:42,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:42,115 INFO L225 Difference]: With dead ends: 14286 [2018-12-08 16:16:42,116 INFO L226 Difference]: Without dead ends: 8072 [2018-12-08 16:16:42,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 871 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:16:42,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8072 states. [2018-12-08 16:16:42,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8072 to 7706. [2018-12-08 16:16:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7706 states. [2018-12-08 16:16:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7706 states to 7706 states and 8868 transitions. [2018-12-08 16:16:42,215 INFO L78 Accepts]: Start accepts. Automaton has 7706 states and 8868 transitions. Word has length 867 [2018-12-08 16:16:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:42,216 INFO L480 AbstractCegarLoop]: Abstraction has 7706 states and 8868 transitions. [2018-12-08 16:16:42,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:16:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7706 states and 8868 transitions. [2018-12-08 16:16:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-12-08 16:16:42,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:42,225 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:42,225 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:42,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:42,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1993504723, now seen corresponding path program 1 times [2018-12-08 16:16:42,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:42,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:42,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:42,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:42,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 732 proven. 1046 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2018-12-08 16:16:43,265 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:43,265 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:43,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:43,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 1698 proven. 2 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2018-12-08 16:16:43,834 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:43,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-12-08 16:16:43,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 16:16:43,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 16:16:43,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-12-08 16:16:43,835 INFO L87 Difference]: Start difference. First operand 7706 states and 8868 transitions. Second operand 17 states. [2018-12-08 16:16:46,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:46,453 INFO L93 Difference]: Finished difference Result 15687 states and 18680 transitions. [2018-12-08 16:16:46,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-08 16:16:46,454 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 907 [2018-12-08 16:16:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:46,466 INFO L225 Difference]: With dead ends: 15687 [2018-12-08 16:16:46,467 INFO L226 Difference]: Without dead ends: 8114 [2018-12-08 16:16:46,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 926 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=545, Invalid=2107, Unknown=0, NotChecked=0, Total=2652 [2018-12-08 16:16:46,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2018-12-08 16:16:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 6930. [2018-12-08 16:16:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6930 states. [2018-12-08 16:16:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 7548 transitions. [2018-12-08 16:16:46,563 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 7548 transitions. Word has length 907 [2018-12-08 16:16:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:46,564 INFO L480 AbstractCegarLoop]: Abstraction has 6930 states and 7548 transitions. [2018-12-08 16:16:46,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 16:16:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 7548 transitions. [2018-12-08 16:16:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2018-12-08 16:16:46,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:46,571 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:46,571 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:46,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:46,572 INFO L82 PathProgramCache]: Analyzing trace with hash -424462762, now seen corresponding path program 1 times [2018-12-08 16:16:46,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:46,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:46,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:46,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:46,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 919 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-12-08 16:16:47,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:47,025 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:47,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:47,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1808 proven. 2 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2018-12-08 16:16:47,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:47,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-08 16:16:47,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:16:47,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:16:47,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:16:47,443 INFO L87 Difference]: Start difference. First operand 6930 states and 7548 transitions. Second operand 7 states. [2018-12-08 16:16:48,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:48,041 INFO L93 Difference]: Finished difference Result 13832 states and 15105 transitions. [2018-12-08 16:16:48,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:16:48,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 966 [2018-12-08 16:16:48,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:48,050 INFO L225 Difference]: With dead ends: 13832 [2018-12-08 16:16:48,051 INFO L226 Difference]: Without dead ends: 7090 [2018-12-08 16:16:48,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:16:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2018-12-08 16:16:48,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 6892. [2018-12-08 16:16:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6892 states. [2018-12-08 16:16:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 7474 transitions. [2018-12-08 16:16:48,129 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 7474 transitions. Word has length 966 [2018-12-08 16:16:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:48,130 INFO L480 AbstractCegarLoop]: Abstraction has 6892 states and 7474 transitions. [2018-12-08 16:16:48,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:16:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 7474 transitions. [2018-12-08 16:16:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2018-12-08 16:16:48,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:48,139 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:48,139 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:48,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:48,140 INFO L82 PathProgramCache]: Analyzing trace with hash 500462927, now seen corresponding path program 1 times [2018-12-08 16:16:48,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:48,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:48,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:48,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:48,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 1679 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-12-08 16:16:48,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:48,636 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:48,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:48,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 2469 proven. 6 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2018-12-08 16:16:49,185 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:49,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-12-08 16:16:49,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:16:49,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:16:49,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:16:49,186 INFO L87 Difference]: Start difference. First operand 6892 states and 7474 transitions. Second operand 9 states. [2018-12-08 16:16:50,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:50,115 INFO L93 Difference]: Finished difference Result 15262 states and 16617 transitions. [2018-12-08 16:16:50,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 16:16:50,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1141 [2018-12-08 16:16:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:50,129 INFO L225 Difference]: With dead ends: 15262 [2018-12-08 16:16:50,129 INFO L226 Difference]: Without dead ends: 8558 [2018-12-08 16:16:50,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1145 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:16:50,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2018-12-08 16:16:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8002. [2018-12-08 16:16:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8002 states. [2018-12-08 16:16:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8002 states to 8002 states and 8681 transitions. [2018-12-08 16:16:50,234 INFO L78 Accepts]: Start accepts. Automaton has 8002 states and 8681 transitions. Word has length 1141 [2018-12-08 16:16:50,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:50,234 INFO L480 AbstractCegarLoop]: Abstraction has 8002 states and 8681 transitions. [2018-12-08 16:16:50,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:16:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8002 states and 8681 transitions. [2018-12-08 16:16:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2018-12-08 16:16:50,244 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:50,244 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:50,244 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:50,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:50,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1123864491, now seen corresponding path program 1 times [2018-12-08 16:16:50,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:50,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:50,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:50,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:50,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 1416 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-12-08 16:16:51,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:51,661 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:51,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:51,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 2362 proven. 2 refuted. 0 times theorem prover too weak. 2802 trivial. 0 not checked. [2018-12-08 16:16:52,299 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:52,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-08 16:16:52,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 16:16:52,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 16:16:52,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-12-08 16:16:52,301 INFO L87 Difference]: Start difference. First operand 8002 states and 8681 transitions. Second operand 17 states. [2018-12-08 16:16:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:16:55,651 INFO L93 Difference]: Finished difference Result 15690 states and 17060 transitions. [2018-12-08 16:16:55,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-08 16:16:55,652 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1292 [2018-12-08 16:16:55,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:16:55,668 INFO L225 Difference]: With dead ends: 15690 [2018-12-08 16:16:55,668 INFO L226 Difference]: Without dead ends: 7876 [2018-12-08 16:16:55,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1367 GetRequests, 1316 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=548, Invalid=2208, Unknown=0, NotChecked=0, Total=2756 [2018-12-08 16:16:55,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2018-12-08 16:16:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 7452. [2018-12-08 16:16:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7452 states. [2018-12-08 16:16:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 8093 transitions. [2018-12-08 16:16:55,760 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 8093 transitions. Word has length 1292 [2018-12-08 16:16:55,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:16:55,761 INFO L480 AbstractCegarLoop]: Abstraction has 7452 states and 8093 transitions. [2018-12-08 16:16:55,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 16:16:55,761 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 8093 transitions. [2018-12-08 16:16:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1497 [2018-12-08 16:16:55,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:16:55,773 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:16:55,773 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:16:55,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:16:55,774 INFO L82 PathProgramCache]: Analyzing trace with hash -962469324, now seen corresponding path program 1 times [2018-12-08 16:16:55,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:16:55,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:16:55,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:55,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:55,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:16:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 1280 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-12-08 16:16:57,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:16:57,916 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:16:57,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:16:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:16:58,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:16:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 3974 proven. 2 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2018-12-08 16:16:58,653 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:16:58,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-12-08 16:16:58,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 16:16:58,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 16:16:58,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:16:58,654 INFO L87 Difference]: Start difference. First operand 7452 states and 8093 transitions. Second operand 19 states. [2018-12-08 16:17:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:02,839 INFO L93 Difference]: Finished difference Result 15127 states and 17466 transitions. [2018-12-08 16:17:02,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-08 16:17:02,839 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1496 [2018-12-08 16:17:02,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:02,855 INFO L225 Difference]: With dead ends: 15127 [2018-12-08 16:17:02,855 INFO L226 Difference]: Without dead ends: 7863 [2018-12-08 16:17:02,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1596 GetRequests, 1531 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=884, Invalid=3276, Unknown=0, NotChecked=0, Total=4160 [2018-12-08 16:17:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7863 states. [2018-12-08 16:17:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7863 to 7454. [2018-12-08 16:17:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7454 states. [2018-12-08 16:17:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7454 states to 7454 states and 8013 transitions. [2018-12-08 16:17:02,968 INFO L78 Accepts]: Start accepts. Automaton has 7454 states and 8013 transitions. Word has length 1496 [2018-12-08 16:17:02,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:02,968 INFO L480 AbstractCegarLoop]: Abstraction has 7454 states and 8013 transitions. [2018-12-08 16:17:02,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 16:17:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7454 states and 8013 transitions. [2018-12-08 16:17:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1615 [2018-12-08 16:17:02,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:02,981 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:02,981 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:02,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:02,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1288405425, now seen corresponding path program 1 times [2018-12-08 16:17:02,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:17:02,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:17:02,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:02,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:02,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 1764 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-12-08 16:17:04,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:04,711 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:17:04,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:04,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:17:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 2993 proven. 2 refuted. 0 times theorem prover too weak. 4794 trivial. 0 not checked. [2018-12-08 16:17:05,613 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:17:05,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-08 16:17:05,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 16:17:05,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 16:17:05,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-12-08 16:17:05,614 INFO L87 Difference]: Start difference. First operand 7454 states and 8013 transitions. Second operand 17 states. [2018-12-08 16:17:08,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:08,281 INFO L93 Difference]: Finished difference Result 14732 states and 15853 transitions. [2018-12-08 16:17:08,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-08 16:17:08,282 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1614 [2018-12-08 16:17:08,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:08,290 INFO L225 Difference]: With dead ends: 14732 [2018-12-08 16:17:08,290 INFO L226 Difference]: Without dead ends: 7466 [2018-12-08 16:17:08,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1692 GetRequests, 1640 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=526, Invalid=2336, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 16:17:08,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-08 16:17:08,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7450. [2018-12-08 16:17:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7450 states. [2018-12-08 16:17:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7450 states to 7450 states and 7965 transitions. [2018-12-08 16:17:08,372 INFO L78 Accepts]: Start accepts. Automaton has 7450 states and 7965 transitions. Word has length 1614 [2018-12-08 16:17:08,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:08,372 INFO L480 AbstractCegarLoop]: Abstraction has 7450 states and 7965 transitions. [2018-12-08 16:17:08,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 16:17:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7450 states and 7965 transitions. [2018-12-08 16:17:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-12-08 16:17:08,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:08,387 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:08,388 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:08,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:08,388 INFO L82 PathProgramCache]: Analyzing trace with hash 722821424, now seen corresponding path program 1 times [2018-12-08 16:17:08,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:17:08,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:17:08,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:08,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:08,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 1794 proven. 79 refuted. 0 times theorem prover too weak. 8416 trivial. 0 not checked. [2018-12-08 16:17:09,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:09,551 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:17:09,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:09,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:17:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 3213 proven. 2 refuted. 0 times theorem prover too weak. 7074 trivial. 0 not checked. [2018-12-08 16:17:10,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:17:10,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-12-08 16:17:10,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:17:10,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:17:10,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:17:10,478 INFO L87 Difference]: Start difference. First operand 7450 states and 7965 transitions. Second operand 10 states. [2018-12-08 16:17:11,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:11,489 INFO L93 Difference]: Finished difference Result 14726 states and 15750 transitions. [2018-12-08 16:17:11,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:17:11,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1821 [2018-12-08 16:17:11,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:11,498 INFO L225 Difference]: With dead ends: 14726 [2018-12-08 16:17:11,498 INFO L226 Difference]: Without dead ends: 7464 [2018-12-08 16:17:11,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1850 GetRequests, 1829 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-08 16:17:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2018-12-08 16:17:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 7086. [2018-12-08 16:17:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7086 states. [2018-12-08 16:17:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7086 states to 7086 states and 7520 transitions. [2018-12-08 16:17:11,578 INFO L78 Accepts]: Start accepts. Automaton has 7086 states and 7520 transitions. Word has length 1821 [2018-12-08 16:17:11,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:11,579 INFO L480 AbstractCegarLoop]: Abstraction has 7086 states and 7520 transitions. [2018-12-08 16:17:11,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:17:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 7086 states and 7520 transitions. [2018-12-08 16:17:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1832 [2018-12-08 16:17:11,594 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:11,594 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:11,594 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:11,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:11,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1793687586, now seen corresponding path program 1 times [2018-12-08 16:17:11,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:17:11,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:17:11,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:11,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 2130 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-12-08 16:17:13,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:13,936 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:17:13,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:14,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:17:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 4526 proven. 6 refuted. 0 times theorem prover too weak. 5947 trivial. 0 not checked. [2018-12-08 16:17:14,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:17:14,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-12-08 16:17:14,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 16:17:14,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 16:17:14,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-12-08 16:17:14,968 INFO L87 Difference]: Start difference. First operand 7086 states and 7520 transitions. Second operand 16 states. [2018-12-08 16:17:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:17,544 INFO L93 Difference]: Finished difference Result 14397 states and 15539 transitions. [2018-12-08 16:17:17,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-08 16:17:17,544 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1831 [2018-12-08 16:17:17,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:17,554 INFO L225 Difference]: With dead ends: 14397 [2018-12-08 16:17:17,554 INFO L226 Difference]: Without dead ends: 7437 [2018-12-08 16:17:17,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1917 GetRequests, 1869 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2018-12-08 16:17:17,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2018-12-08 16:17:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 7074. [2018-12-08 16:17:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7074 states. [2018-12-08 16:17:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7074 states to 7074 states and 7444 transitions. [2018-12-08 16:17:17,655 INFO L78 Accepts]: Start accepts. Automaton has 7074 states and 7444 transitions. Word has length 1831 [2018-12-08 16:17:17,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:17,656 INFO L480 AbstractCegarLoop]: Abstraction has 7074 states and 7444 transitions. [2018-12-08 16:17:17,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 16:17:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 7074 states and 7444 transitions. [2018-12-08 16:17:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1872 [2018-12-08 16:17:17,671 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:17,671 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:17,671 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:17,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:17,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1327403292, now seen corresponding path program 1 times [2018-12-08 16:17:17,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:17:17,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:17:17,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:17,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:17,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 2262 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-12-08 16:17:18,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:17:18,983 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:17:18,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:19,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:17:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 4494 proven. 2 refuted. 0 times theorem prover too weak. 5968 trivial. 0 not checked. [2018-12-08 16:17:19,970 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:17:19,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-08 16:17:19,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:17:19,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:17:19,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:17:19,971 INFO L87 Difference]: Start difference. First operand 7074 states and 7444 transitions. Second operand 11 states. [2018-12-08 16:17:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:21,458 INFO L93 Difference]: Finished difference Result 14879 states and 15690 transitions. [2018-12-08 16:17:21,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 16:17:21,459 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1871 [2018-12-08 16:17:21,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:21,463 INFO L225 Difference]: With dead ends: 14879 [2018-12-08 16:17:21,463 INFO L226 Difference]: Without dead ends: 4262 [2018-12-08 16:17:21,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1885 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-12-08 16:17:21,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2018-12-08 16:17:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4076. [2018-12-08 16:17:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4076 states. [2018-12-08 16:17:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 4173 transitions. [2018-12-08 16:17:21,512 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 4173 transitions. Word has length 1871 [2018-12-08 16:17:21,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:21,513 INFO L480 AbstractCegarLoop]: Abstraction has 4076 states and 4173 transitions. [2018-12-08 16:17:21,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:17:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4173 transitions. [2018-12-08 16:17:21,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1947 [2018-12-08 16:17:21,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:17:21,527 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:17:21,527 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:17:21,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:17:21,527 INFO L82 PathProgramCache]: Analyzing trace with hash 798801568, now seen corresponding path program 1 times [2018-12-08 16:17:21,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:17:21,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:17:21,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:21,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:17:21,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:17:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:17:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 11897 backedges. 867 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-12-08 16:17:22,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:17:22,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:17:22,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:17:22,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:17:22,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:17:22,628 INFO L87 Difference]: Start difference. First operand 4076 states and 4173 transitions. Second operand 4 states. [2018-12-08 16:17:22,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:17:22,920 INFO L93 Difference]: Finished difference Result 4076 states and 4173 transitions. [2018-12-08 16:17:22,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:17:22,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1946 [2018-12-08 16:17:22,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:17:22,921 INFO L225 Difference]: With dead ends: 4076 [2018-12-08 16:17:22,921 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:17:22,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:17:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:17:22,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:17:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:17:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:17:22,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1946 [2018-12-08 16:17:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:17:22,924 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:17:22,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:17:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:17:22,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:17:22,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:17:22,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:22,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:22,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:22,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:23,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:24,559 WARN L180 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 897 DAG size of output: 845 [2018-12-08 16:17:24,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:24,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:24,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:24,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:24,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:17:25,954 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 897 DAG size of output: 845 [2018-12-08 16:17:27,470 WARN L180 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 353 DAG size of output: 107 [2018-12-08 16:17:36,389 WARN L180 SmtUtils]: Spent 8.91 s on a formula simplification. DAG size of input: 863 DAG size of output: 97 [2018-12-08 16:17:45,412 WARN L180 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 863 DAG size of output: 97 [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:17:45,414 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,414 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 16:17:45,415 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,416 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 16:17:45,417 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-08 16:17:45,418 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,419 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (= 8 |old(~a21~0)|)) (.cse19 (= ~a24~0 |old(~a24~0)|)) (.cse13 (= 7 |old(~a21~0)|)) (.cse15 (= 10 |old(~a21~0)|)) (.cse20 (= ~a21~0 |old(~a21~0)|)) (.cse17 (= ~a12~0 |old(~a12~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse21 (= 1 ~a24~0))) (let ((.cse5 (not (= 6 |old(~a21~0)|))) (.cse12 (= 5 |old(~a15~0)|)) (.cse1 (and .cse17 .cse18 .cse21 (= 10 ~a21~0))) (.cse6 (and .cse17 .cse20 .cse18 .cse21)) (.cse4 (< 7 |old(~a15~0)|)) (.cse0 (not .cse15)) (.cse16 (not .cse13)) (.cse11 (and .cse17 .cse20 .cse21 (= 8 ~a15~0))) (.cse3 (< 11 |old(~a12~0)|)) (.cse7 (and (and .cse17 (not (= ~a15~0 9)) .cse19 .cse18) (= ~a21~0 8))) (.cse2 (not (= 1 |old(~a24~0)|))) (.cse10 (not (= 8 |old(~a15~0)|))) (.cse8 (< 73282 |old(~a12~0)|)) (.cse9 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse2 .cse8 .cse4 .cse9) (or .cse5 .cse2 .cse10 .cse11) (or .cse12 .cse13 .cse2 .cse6 .cse14 .cse4 .cse15) (or .cse6 (or (< 0 (+ |old(~a12~0)| 43)) .cse2) .cse10) (or (or (not (= 9 |old(~a21~0)|)) .cse10) (< 76 |old(~a12~0)|) .cse11 .cse2) (or .cse16 (and (and .cse17 (= 7 ~a21~0) .cse18) .cse19) .cse2 (< 72 |old(~a12~0)|) .cse4 (<= |old(~a12~0)| 18)) (or .cse5 (< 0 (+ |old(~a12~0)| 49)) (and .cse17 .cse19 .cse20 .cse18) .cse4) (or .cse0 .cse2 (not .cse12) .cse8 .cse1) (or (and .cse17 .cse20 .cse21 (= 9 ~a15~0)) (not (= 9 |old(~a15~0)|)) .cse2) (or .cse2 (not (= 7 |old(~a15~0)|)) (and .cse17 .cse20 (= 7 ~a15~0) .cse21)) (or (< 78 |old(~a12~0)|) .cse6 .cse13 .cse2 .cse4 .cse15) (or (or .cse0 .cse2 .cse10) .cse11) (or .cse16 .cse11 .cse2 .cse3 .cse10) (or .cse7 .cse2 .cse10 .cse8 .cse9)))) [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-08 16:17:45,420 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-08 16:17:45,421 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-08 16:17:45,422 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 16:17:45,423 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-08 16:17:45,424 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-08 16:17:45,425 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,426 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-12-08 16:17:45,427 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:17:45,427 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-12-08 16:17:45,427 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-08 16:17:45,428 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse9 (= ~a21~0 8))) (let ((.cse5 (and .cse11 (and .cse3 (not (= ~a15~0 9))) .cse9)) (.cse4 (and .cse0 .cse3)) (.cse8 (= 5 ~a15~0)) (.cse7 (not (= 10 ~a21~0))) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= ~a21~0 10)) (.cse1 (<= ~a15~0 7)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a12~0 11)) (.cse10 (not (= ~a21~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 49) 0) .cse1) (and .cse2 (= 7 ~a15~0)) (and .cse3 (= 9 ~a15~0)) (and .cse4 .cse1) (and .cse1 .cse5) (and .cse6 .cse5) (not (= 7 |old(~a21~0)|)) (and .cse1 (and (and .cse7 .cse2 (not .cse8)) (not .cse9) .cse10)) (and .cse4 .cse6) (and (and .cse11 (and .cse3 .cse12)) .cse8) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse3 (= 7 ~a21~0)) .cse13) .cse6) (and (<= ~a12~0 78) .cse1 (and (and .cse7 .cse2) .cse10)) (and (and (<= ~a21~0 7) (< 18 ~a12~0) .cse2 (<= ~a12~0 72)) .cse1) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse6) (and (and .cse2 (<= (+ ~a12~0 43) 0)) .cse6) (and .cse2 .cse12 (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|)) (and .cse1 (and .cse2 .cse13 .cse10))))) [2018-12-08 16:17:45,428 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-08 16:17:45,428 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-08 16:17:45,428 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse9 (= ~a21~0 8))) (let ((.cse5 (and .cse11 (and .cse3 (not (= ~a15~0 9))) .cse9)) (.cse4 (and .cse0 .cse3)) (.cse8 (= 5 ~a15~0)) (.cse7 (not (= 10 ~a21~0))) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= ~a21~0 10)) (.cse1 (<= ~a15~0 7)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a12~0 11)) (.cse10 (not (= ~a21~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 49) 0) .cse1) (and .cse2 (= 7 ~a15~0)) (and .cse3 (= 9 ~a15~0)) (and .cse4 .cse1) (and .cse1 .cse5) (and .cse6 .cse5) (not (= 7 |old(~a21~0)|)) (and .cse1 (and (and .cse7 .cse2 (not .cse8)) (not .cse9) .cse10)) (and .cse4 .cse6) (and (and .cse11 (and .cse3 .cse12)) .cse8) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse3 (= 7 ~a21~0)) .cse13) .cse6) (and (<= ~a12~0 78) .cse1 (and (and .cse7 .cse2) .cse10)) (and (and (<= ~a21~0 7) (< 18 ~a12~0) .cse2 (<= ~a12~0 72)) .cse1) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse6) (and (and .cse2 (<= (+ ~a12~0 43) 0)) .cse6) (and .cse2 .cse12 (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|)) (and .cse1 (and .cse2 .cse13 .cse10))))) [2018-12-08 16:17:45,428 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-08 16:17:45,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:17:45 BoogieIcfgContainer [2018-12-08 16:17:45,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:17:45,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:17:45,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:17:45,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:17:45,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:16:24" (3/4) ... [2018-12-08 16:17:45,447 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:17:45,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:17:45,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 16:17:45,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:17:45,463 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:17:45,464 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 16:17:45,484 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(8 == \old(a15)) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || (a24 == \old(a24) && 7 == a15)) || (1 == a24 && 9 == a15)) || ((6 == a21 && 1 == a24) && a15 <= 7)) || (a15 <= 7 && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || (a15 == \old(a15) && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || !(7 == \old(a21))) || (a15 <= 7 && (((!(10 == a21) && a24 == \old(a24)) && !(5 == a15)) && !(a21 == 8)) && !(a21 == 7))) || ((6 == a21 && 1 == a24) && a15 == \old(a15))) || ((a12 <= 73282 && 1 == a24 && a21 == 10) && 5 == a15)) || 0 < \old(a12) + 49) || (((1 == a24 && 7 == a21) && a12 <= 11) && a15 == \old(a15))) || ((a12 <= 78 && a15 <= 7) && (!(10 == a21) && a24 == \old(a24)) && !(a21 == 7))) || ((((a21 <= 7 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || ((a24 == \old(a24) && a12 + 43 <= 0) && a15 == \old(a15))) || ((a24 == \old(a24) && a21 == 10) && 8 == a15)) || !(1 == \old(a24))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && !(a21 == 7)) [2018-12-08 16:17:45,549 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_407682c9-c666-4125-9c3c-22a9801f6cec/bin-2019/uautomizer/witness.graphml [2018-12-08 16:17:45,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:17:45,550 INFO L168 Benchmark]: Toolchain (without parser) took 82690.67 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 945.3 MB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,550 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:17:45,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.54 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,551 INFO L168 Benchmark]: Boogie Preprocessor took 41.31 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,551 INFO L168 Benchmark]: RCFGBuilder took 792.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 972.6 MB in the end (delta: 123.8 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,551 INFO L168 Benchmark]: TraceAbstraction took 81383.37 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 972.6 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,551 INFO L168 Benchmark]: Witness Printer took 106.57 ms. Allocated memory is still 4.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:17:45,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.54 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.31 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 792.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 972.6 MB in the end (delta: 123.8 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 81383.37 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 972.6 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 106.57 ms. Allocated memory is still 4.7 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(8 == \old(a15)) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || (a24 == \old(a24) && 7 == a15)) || (1 == a24 && 9 == a15)) || ((6 == a21 && 1 == a24) && a15 <= 7)) || (a15 <= 7 && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || (a15 == \old(a15) && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || !(7 == \old(a21))) || (a15 <= 7 && (((!(10 == a21) && a24 == \old(a24)) && !(5 == a15)) && !(a21 == 8)) && !(a21 == 7))) || ((6 == a21 && 1 == a24) && a15 == \old(a15))) || ((a12 <= 73282 && 1 == a24 && a21 == 10) && 5 == a15)) || 0 < \old(a12) + 49) || (((1 == a24 && 7 == a21) && a12 <= 11) && a15 == \old(a15))) || ((a12 <= 78 && a15 <= 7) && (!(10 == a21) && a24 == \old(a24)) && !(a21 == 7))) || ((((a21 <= 7 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || ((a24 == \old(a24) && a12 + 43 <= 0) && a15 == \old(a15))) || ((a24 == \old(a24) && a21 == 10) && 8 == a15)) || !(1 == \old(a24))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && !(a21 == 7)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 81.3s OverallTime, 19 OverallIterations, 16 TraceHistogramMax, 32.8s AutomataDifference, 0.0s DeadEndRemovalTime, 22.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 644 SDtfs, 26307 SDslu, 1981 SDs, 0 SdLazy, 40451 SolverSat, 7358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16994 GetRequests, 16467 SyntacticMatches, 19 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7547 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8002occurred in iteration=12, traceCheckStatistics: No data available, 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: 1.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 5284 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 505 PreInvPairs, 607 NumberOfFragments, 1032 HoareAnnotationTreeSize, 505 FomulaSimplifications, 122084355 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24876146 FormulaSimplificationTreeSizeReductionInter, 19.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 35062 NumberOfCodeBlocks, 35062 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 35029 ConstructedInterpolants, 0 QuantifiedInterpolants, 120413591 SizeOfPredicates, 10 NumberOfNonLiveVariables, 22359 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 133729/144960 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...