./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0ac1fa423e9e02c6d8ce0ab648943b01e42bafe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:33:06,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:33:06,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:33:06,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:33:06,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:33:06,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:33:06,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:33:06,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:33:06,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:33:06,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:33:06,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:33:06,236 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:33:06,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:33:06,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:33:06,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:33:06,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:33:06,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:33:06,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:33:06,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:33:06,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:33:06,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:33:06,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:33:06,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:33:06,251 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:33:06,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:33:06,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:33:06,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:33:06,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:33:06,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:33:06,257 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:33:06,257 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:33:06,260 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:33:06,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:33:06,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:33:06,261 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:33:06,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:33:06,262 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:33:06,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:33:06,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:33:06,277 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:33:06,277 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:33:06,277 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:33:06,277 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:33:06,277 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:33:06,277 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:33:06,278 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:33:06,278 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:33:06,278 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:33:06,279 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:33:06,279 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:33:06,279 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:33:06,280 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:33:06,281 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:33:06,281 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:33:06,281 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:33:06,281 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:33:06,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:33:06,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:33:06,282 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:33:06,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:33:06,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:33:06,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:33:06,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:33:06,285 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:33:06,285 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:33:06,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:33:06,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:33:06,285 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:33:06,285 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan 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 -> Taipan 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 -> e0ac1fa423e9e02c6d8ce0ab648943b01e42bafe [2018-11-23 04:33:06,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:33:06,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:33:06,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:33:06,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:33:06,356 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:33:06,357 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c [2018-11-23 04:33:06,423 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/data/3b12be1b3/a70aeca1d98a4f6ea561ef0202a90f86/FLAG6b563956f [2018-11-23 04:33:06,998 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:33:06,999 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c [2018-11-23 04:33:07,015 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/data/3b12be1b3/a70aeca1d98a4f6ea561ef0202a90f86/FLAG6b563956f [2018-11-23 04:33:07,483 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/data/3b12be1b3/a70aeca1d98a4f6ea561ef0202a90f86 [2018-11-23 04:33:07,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:33:07,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:33:07,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:33:07,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:33:07,496 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:33:07,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:33:07" (1/1) ... [2018-11-23 04:33:07,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb35a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:07, skipping insertion in model container [2018-11-23 04:33:07,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:33:07" (1/1) ... [2018-11-23 04:33:07,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:33:07,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:33:08,224 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:33:08,228 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:33:08,483 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:33:08,501 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:33:08,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08 WrapperNode [2018-11-23 04:33:08,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:33:08,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:33:08,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:33:08,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:33:08,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:33:08,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:33:08,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:33:08,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:33:08,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... [2018-11-23 04:33:08,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:33:08,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:33:08,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:33:08,768 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:33:08,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:33:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:33:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:33:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:33:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 04:33:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 04:33:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:33:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:33:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:33:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:33:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:33:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:33:13,139 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:33:13,139 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:33:13,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:13 BoogieIcfgContainer [2018-11-23 04:33:13,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:33:13,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:33:13,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:33:13,144 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:33:13,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:33:07" (1/3) ... [2018-11-23 04:33:13,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27352f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:33:13, skipping insertion in model container [2018-11-23 04:33:13,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:33:08" (2/3) ... [2018-11-23 04:33:13,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27352f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:33:13, skipping insertion in model container [2018-11-23 04:33:13,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:13" (3/3) ... [2018-11-23 04:33:13,148 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label53_true-unreach-call.c [2018-11-23 04:33:13,159 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:33:13,167 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:33:13,186 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:33:13,225 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:33:13,225 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:33:13,225 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:33:13,225 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:33:13,225 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:33:13,226 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:33:13,226 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:33:13,226 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:33:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 04:33:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 04:33:13,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:33:13,303 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] [2018-11-23 04:33:13,305 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:33:13,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:33:13,311 INFO L82 PathProgramCache]: Analyzing trace with hash -302324190, now seen corresponding path program 1 times [2018-11-23 04:33:13,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:33:13,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:13,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:33:13,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:13,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:33:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:33:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:33:13,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:33:13,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:33:13,821 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:33:13,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:33:13,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:33:13,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:33:13,852 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 04:33:15,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:33:15,933 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 04:33:15,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:33:15,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-11-23 04:33:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:33:15,951 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 04:33:15,951 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 04:33:15,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:33:15,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 04:33:16,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 04:33:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 04:33:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1353 transitions. [2018-11-23 04:33:16,032 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1353 transitions. Word has length 43 [2018-11-23 04:33:16,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:33:16,032 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1353 transitions. [2018-11-23 04:33:16,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:33:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1353 transitions. [2018-11-23 04:33:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 04:33:16,038 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:33:16,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:33:16,039 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:33:16,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:33:16,040 INFO L82 PathProgramCache]: Analyzing trace with hash 204114703, now seen corresponding path program 1 times [2018-11-23 04:33:16,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:33:16,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:16,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:33:16,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:16,041 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:33:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:33:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:33:16,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:33:16,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:33:16,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:33:16,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:33:16,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:33:16,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:33:16,222 INFO L87 Difference]: Start difference. First operand 742 states and 1353 transitions. Second operand 5 states. [2018-11-23 04:33:18,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:33:18,975 INFO L93 Difference]: Finished difference Result 2186 states and 4075 transitions. [2018-11-23 04:33:18,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:33:18,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2018-11-23 04:33:18,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:33:18,984 INFO L225 Difference]: With dead ends: 2186 [2018-11-23 04:33:18,984 INFO L226 Difference]: Without dead ends: 1450 [2018-11-23 04:33:18,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:33:18,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2018-11-23 04:33:19,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1432. [2018-11-23 04:33:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2018-11-23 04:33:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2546 transitions. [2018-11-23 04:33:19,042 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2546 transitions. Word has length 112 [2018-11-23 04:33:19,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:33:19,043 INFO L480 AbstractCegarLoop]: Abstraction has 1432 states and 2546 transitions. [2018-11-23 04:33:19,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:33:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2546 transitions. [2018-11-23 04:33:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 04:33:19,047 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:33:19,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:33:19,048 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:33:19,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:33:19,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1530346758, now seen corresponding path program 1 times [2018-11-23 04:33:19,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:33:19,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:19,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:33:19,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:19,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:33:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:33:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:33:19,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:33:19,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:33:19,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:33:19,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:33:19,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:33:19,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:33:19,227 INFO L87 Difference]: Start difference. First operand 1432 states and 2546 transitions. Second operand 6 states. [2018-11-23 04:33:24,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:33:24,361 INFO L93 Difference]: Finished difference Result 3924 states and 7020 transitions. [2018-11-23 04:33:24,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:33:24,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-23 04:33:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:33:24,389 INFO L225 Difference]: With dead ends: 3924 [2018-11-23 04:33:24,389 INFO L226 Difference]: Without dead ends: 2498 [2018-11-23 04:33:24,399 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 [2018-11-23 04:33:24,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2018-11-23 04:33:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2476. [2018-11-23 04:33:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2476 states. [2018-11-23 04:33:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 4004 transitions. [2018-11-23 04:33:24,496 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 4004 transitions. Word has length 141 [2018-11-23 04:33:24,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:33:24,497 INFO L480 AbstractCegarLoop]: Abstraction has 2476 states and 4004 transitions. [2018-11-23 04:33:24,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:33:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 4004 transitions. [2018-11-23 04:33:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 04:33:24,501 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:33:24,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:33:24,501 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:33:24,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:33:24,502 INFO L82 PathProgramCache]: Analyzing trace with hash 225402430, now seen corresponding path program 1 times [2018-11-23 04:33:24,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:33:24,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:24,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:33:24,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:24,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:33:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:33:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:33:24,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:33:24,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:33:24,728 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:33:24,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:33:24,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:33:24,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:33:24,729 INFO L87 Difference]: Start difference. First operand 2476 states and 4004 transitions. Second operand 6 states. [2018-11-23 04:33:26,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:33:26,565 INFO L93 Difference]: Finished difference Result 6030 states and 9898 transitions. [2018-11-23 04:33:26,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:33:26,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-23 04:33:26,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:33:26,579 INFO L225 Difference]: With dead ends: 6030 [2018-11-23 04:33:26,579 INFO L226 Difference]: Without dead ends: 3560 [2018-11-23 04:33:26,586 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 [2018-11-23 04:33:26,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2018-11-23 04:33:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3534. [2018-11-23 04:33:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3534 states. [2018-11-23 04:33:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3534 states to 3534 states and 4961 transitions. [2018-11-23 04:33:26,699 INFO L78 Accepts]: Start accepts. Automaton has 3534 states and 4961 transitions. Word has length 159 [2018-11-23 04:33:26,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:33:26,700 INFO L480 AbstractCegarLoop]: Abstraction has 3534 states and 4961 transitions. [2018-11-23 04:33:26,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:33:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3534 states and 4961 transitions. [2018-11-23 04:33:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 04:33:26,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:33:26,704 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-23 04:33:26,704 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:33:26,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:33:26,705 INFO L82 PathProgramCache]: Analyzing trace with hash -786182774, now seen corresponding path program 1 times [2018-11-23 04:33:26,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:33:26,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:26,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:33:26,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:33:26,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:33:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:33:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 102 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 04:33:26,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:33:26,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:33:26,878 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-11-23 04:33:26,880 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:33:26,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:33:26,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:33:27,315 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:33:27,317 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 04:33:27,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:33:27,325 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:33:27,739 INFO L227 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 77.77% of their original sizes. [2018-11-23 04:33:27,739 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:33:27,766 INFO L415 sIntCurrentIteration]: We unified 240 AI predicates to 240 [2018-11-23 04:33:27,767 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:33:27,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:33:27,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-23 04:33:27,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:33:27,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:33:27,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:33:27,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:33:27,769 INFO L87 Difference]: Start difference. First operand 3534 states and 4961 transitions. Second operand 6 states. [2018-11-23 04:34:32,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:34:32,122 INFO L93 Difference]: Finished difference Result 7400 states and 10335 transitions. [2018-11-23 04:34:32,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:34:32,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2018-11-23 04:34:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:34:32,131 INFO L225 Difference]: With dead ends: 7400 [2018-11-23 04:34:32,131 INFO L226 Difference]: Without dead ends: 3872 [2018-11-23 04:34:32,139 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:34:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2018-11-23 04:34:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3871. [2018-11-23 04:34:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3871 states. [2018-11-23 04:34:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3871 states and 5306 transitions. [2018-11-23 04:34:32,242 INFO L78 Accepts]: Start accepts. Automaton has 3871 states and 5306 transitions. Word has length 241 [2018-11-23 04:34:32,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:34:32,243 INFO L480 AbstractCegarLoop]: Abstraction has 3871 states and 5306 transitions. [2018-11-23 04:34:32,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:34:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 5306 transitions. [2018-11-23 04:34:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-23 04:34:32,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:34:32,250 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:34:32,251 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:34:32,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:34:32,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1910184445, now seen corresponding path program 1 times [2018-11-23 04:34:32,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:34:32,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:34:32,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:34:32,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:34:32,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:34:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:34:32,596 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-23 04:34:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 178 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 04:34:32,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:34:32,807 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:34:32,807 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 333 with the following transitions: [2018-11-23 04:34:32,807 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:34:32,812 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:34:32,812 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:34:33,145 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:34:33,145 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 04:34:33,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:34:33,163 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:34:33,553 INFO L227 lantSequenceWeakener]: Weakened 329 states. On average, predicates are now at 80.37% of their original sizes. [2018-11-23 04:34:33,554 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:34:33,739 INFO L415 sIntCurrentIteration]: We unified 331 AI predicates to 331 [2018-11-23 04:34:33,740 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:34:33,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:34:33,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 04:34:33,740 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:34:33,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:34:33,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:34:33,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:34:33,741 INFO L87 Difference]: Start difference. First operand 3871 states and 5306 transitions. Second operand 10 states. [2018-11-23 04:35:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:35:53,140 INFO L93 Difference]: Finished difference Result 9371 states and 12965 transitions. [2018-11-23 04:35:53,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 04:35:53,140 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 332 [2018-11-23 04:35:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:35:53,156 INFO L225 Difference]: With dead ends: 9371 [2018-11-23 04:35:53,156 INFO L226 Difference]: Without dead ends: 5843 [2018-11-23 04:35:53,166 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 04:35:53,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5843 states. [2018-11-23 04:35:53,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5843 to 5471. [2018-11-23 04:35:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5471 states. [2018-11-23 04:35:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 7086 transitions. [2018-11-23 04:35:53,265 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 7086 transitions. Word has length 332 [2018-11-23 04:35:53,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:35:53,266 INFO L480 AbstractCegarLoop]: Abstraction has 5471 states and 7086 transitions. [2018-11-23 04:35:53,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:35:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 7086 transitions. [2018-11-23 04:35:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-11-23 04:35:53,274 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:35:53,275 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, 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, 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, 1, 1] [2018-11-23 04:35:53,275 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:35:53,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:35:53,276 INFO L82 PathProgramCache]: Analyzing trace with hash -719011605, now seen corresponding path program 1 times [2018-11-23 04:35:53,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:35:53,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:35:53,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:35:53,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:35:53,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:35:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:35:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 210 proven. 35 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-23 04:35:53,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:35:53,642 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:35:53,643 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 481 with the following transitions: [2018-11-23 04:35:53,643 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:35:53,650 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:35:53,650 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:35:54,039 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:35:54,039 INFO L272 AbstractInterpreter]: Visited 249 different actions 741 times. Merged at 7 different actions 16 times. Never widened. Performed 8370 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8370 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:35:54,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:35:54,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:35:54,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:35:54,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:35:54,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:35:54,066 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:35:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:35:54,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:35:54,298 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 04:35:54,298 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:35:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 04:35:54,454 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:35:54,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 04:35:54,455 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:35:54,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:35:54,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:35:54,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:35:54,456 INFO L87 Difference]: Start difference. First operand 5471 states and 7086 transitions. Second operand 3 states. [2018-11-23 04:35:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:35:56,140 INFO L93 Difference]: Finished difference Result 10599 states and 13828 transitions. [2018-11-23 04:35:56,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:35:56,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 480 [2018-11-23 04:35:56,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:35:56,156 INFO L225 Difference]: With dead ends: 10599 [2018-11-23 04:35:56,156 INFO L226 Difference]: Without dead ends: 5471 [2018-11-23 04:35:56,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 966 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:35:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5471 states. [2018-11-23 04:35:56,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5471 to 5471. [2018-11-23 04:35:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5471 states. [2018-11-23 04:35:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 5471 states and 6784 transitions. [2018-11-23 04:35:56,282 INFO L78 Accepts]: Start accepts. Automaton has 5471 states and 6784 transitions. Word has length 480 [2018-11-23 04:35:56,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:35:56,283 INFO L480 AbstractCegarLoop]: Abstraction has 5471 states and 6784 transitions. [2018-11-23 04:35:56,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:35:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 6784 transitions. [2018-11-23 04:35:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2018-11-23 04:35:56,298 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:35:56,298 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2018-11-23 04:35:56,298 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:35:56,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:35:56,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1341487390, now seen corresponding path program 1 times [2018-11-23 04:35:56,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:35:56,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:35:56,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:35:56,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:35:56,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:35:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:35:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 98 proven. 193 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 04:35:57,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:35:57,077 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:35:57,077 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 506 with the following transitions: [2018-11-23 04:35:57,077 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:35:57,082 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:35:57,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:35:57,445 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:35:57,446 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8253 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8253 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:35:57,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:35:57,467 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:35:57,948 INFO L227 lantSequenceWeakener]: Weakened 502 states. On average, predicates are now at 80.19% of their original sizes. [2018-11-23 04:35:57,948 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:35:58,032 INFO L415 sIntCurrentIteration]: We unified 504 AI predicates to 504 [2018-11-23 04:35:58,032 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:35:58,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:35:58,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-23 04:35:58,033 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:35:58,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:35:58,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:35:58,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:35:58,034 INFO L87 Difference]: Start difference. First operand 5471 states and 6784 transitions. Second operand 10 states. [2018-11-23 04:37:51,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:51,740 INFO L93 Difference]: Finished difference Result 12713 states and 15811 transitions. [2018-11-23 04:37:51,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 04:37:51,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 505 [2018-11-23 04:37:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:51,756 INFO L225 Difference]: With dead ends: 12713 [2018-11-23 04:37:51,757 INFO L226 Difference]: Without dead ends: 7585 [2018-11-23 04:37:51,766 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 514 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 04:37:51,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7585 states. [2018-11-23 04:37:51,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7585 to 7570. [2018-11-23 04:37:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7570 states. [2018-11-23 04:37:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 9092 transitions. [2018-11-23 04:37:51,849 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 9092 transitions. Word has length 505 [2018-11-23 04:37:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:51,851 INFO L480 AbstractCegarLoop]: Abstraction has 7570 states and 9092 transitions. [2018-11-23 04:37:51,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:37:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 9092 transitions. [2018-11-23 04:37:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2018-11-23 04:37:51,864 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:51,864 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1] [2018-11-23 04:37:51,865 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:51,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:51,865 INFO L82 PathProgramCache]: Analyzing trace with hash 200437379, now seen corresponding path program 1 times [2018-11-23 04:37:51,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:51,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:51,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:51,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:51,866 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 383 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-23 04:37:52,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:52,153 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:52,153 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 643 with the following transitions: [2018-11-23 04:37:52,154 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:37:52,157 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:52,157 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:52,569 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:37:52,569 INFO L272 AbstractInterpreter]: Visited 250 different actions 997 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 11687 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11687 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:37:52,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:52,571 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:37:52,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:52,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:37:52,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:52,577 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:37:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:52,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:37:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 685 proven. 2 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 04:37:52,937 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:37:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 383 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-23 04:37:53,161 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:37:53,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 04:37:53,161 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:37:53,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:37:53,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:37:53,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:37:53,163 INFO L87 Difference]: Start difference. First operand 7570 states and 9092 transitions. Second operand 9 states. [2018-11-23 04:37:55,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:37:55,852 INFO L93 Difference]: Finished difference Result 17354 states and 21919 transitions. [2018-11-23 04:37:55,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 04:37:55,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 642 [2018-11-23 04:37:55,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:37:55,883 INFO L225 Difference]: With dead ends: 17354 [2018-11-23 04:37:55,883 INFO L226 Difference]: Without dead ends: 10127 [2018-11-23 04:37:55,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1305 GetRequests, 1287 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:37:55,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10127 states. [2018-11-23 04:37:56,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10127 to 10107. [2018-11-23 04:37:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10107 states. [2018-11-23 04:37:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10107 states to 10107 states and 12345 transitions. [2018-11-23 04:37:56,071 INFO L78 Accepts]: Start accepts. Automaton has 10107 states and 12345 transitions. Word has length 642 [2018-11-23 04:37:56,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:37:56,072 INFO L480 AbstractCegarLoop]: Abstraction has 10107 states and 12345 transitions. [2018-11-23 04:37:56,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:37:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 10107 states and 12345 transitions. [2018-11-23 04:37:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2018-11-23 04:37:56,110 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:37:56,110 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 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] [2018-11-23 04:37:56,111 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:37:56,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:56,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1038674097, now seen corresponding path program 1 times [2018-11-23 04:37:56,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:37:56,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:56,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:37:56,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:37:56,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:37:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:37:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 645 proven. 35 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-11-23 04:37:56,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:37:56,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:37:56,595 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 895 with the following transitions: [2018-11-23 04:37:56,595 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:37:56,598 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:37:56,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:37:56,842 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:37:56,842 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8953 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8953 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 04:37:56,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:37:56,843 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:37:57,267 INFO L227 lantSequenceWeakener]: Weakened 891 states. On average, predicates are now at 80.15% of their original sizes. [2018-11-23 04:37:57,267 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:37:57,320 INFO L415 sIntCurrentIteration]: We unified 893 AI predicates to 893 [2018-11-23 04:37:57,320 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:37:57,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:37:57,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-23 04:37:57,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:37:57,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:37:57,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:37:57,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:37:57,322 INFO L87 Difference]: Start difference. First operand 10107 states and 12345 transitions. Second operand 9 states. [2018-11-23 04:39:11,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:39:11,559 INFO L93 Difference]: Finished difference Result 19886 states and 24412 transitions. [2018-11-23 04:39:11,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 04:39:11,559 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 894 [2018-11-23 04:39:11,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:39:11,580 INFO L225 Difference]: With dead ends: 19886 [2018-11-23 04:39:11,580 INFO L226 Difference]: Without dead ends: 10122 [2018-11-23 04:39:11,594 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 900 GetRequests, 886 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 04:39:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2018-11-23 04:39:11,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 10111. [2018-11-23 04:39:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10111 states. [2018-11-23 04:39:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10111 states to 10111 states and 12325 transitions. [2018-11-23 04:39:11,709 INFO L78 Accepts]: Start accepts. Automaton has 10111 states and 12325 transitions. Word has length 894 [2018-11-23 04:39:11,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:39:11,710 INFO L480 AbstractCegarLoop]: Abstraction has 10111 states and 12325 transitions. [2018-11-23 04:39:11,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:39:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 10111 states and 12325 transitions. [2018-11-23 04:39:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2018-11-23 04:39:11,721 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:39:11,722 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:39:11,722 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:39:11,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:11,722 INFO L82 PathProgramCache]: Analyzing trace with hash -2119137465, now seen corresponding path program 1 times [2018-11-23 04:39:11,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:39:11,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:11,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:11,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:11,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:39:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 813 proven. 35 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-11-23 04:39:12,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:12,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:39:12,278 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 929 with the following transitions: [2018-11-23 04:39:12,278 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:39:12,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:39:12,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:39:12,706 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:39:12,706 INFO L272 AbstractInterpreter]: Visited 252 different actions 1013 times. Merged at 10 different actions 37 times. Never widened. Performed 11822 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11822 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 04:39:12,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:12,710 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:39:12,710 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:12,710 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:39:12,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:12,716 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:39:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:12,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:39:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 813 proven. 35 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-11-23 04:39:13,082 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:39:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 846 proven. 2 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-11-23 04:39:13,486 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:39:13,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2018-11-23 04:39:13,487 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:39:13,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:39:13,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:39:13,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:39:13,488 INFO L87 Difference]: Start difference. First operand 10111 states and 12325 transitions. Second operand 7 states. [2018-11-23 04:39:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:39:16,522 INFO L93 Difference]: Finished difference Result 34208 states and 44862 transitions. [2018-11-23 04:39:16,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 04:39:16,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 928 [2018-11-23 04:39:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:39:16,574 INFO L225 Difference]: With dead ends: 34208 [2018-11-23 04:39:16,574 INFO L226 Difference]: Without dead ends: 18147 [2018-11-23 04:39:16,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1891 GetRequests, 1867 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2018-11-23 04:39:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18147 states. [2018-11-23 04:39:16,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18147 to 18101. [2018-11-23 04:39:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18101 states. [2018-11-23 04:39:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18101 states to 18101 states and 20133 transitions. [2018-11-23 04:39:16,849 INFO L78 Accepts]: Start accepts. Automaton has 18101 states and 20133 transitions. Word has length 928 [2018-11-23 04:39:16,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:39:16,850 INFO L480 AbstractCegarLoop]: Abstraction has 18101 states and 20133 transitions. [2018-11-23 04:39:16,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:39:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18101 states and 20133 transitions. [2018-11-23 04:39:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1334 [2018-11-23 04:39:16,873 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:39:16,874 INFO L402 BasicCegarLoop]: trace histogram [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, 9, 9, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2018-11-23 04:39:16,874 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:39:16,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:16,875 INFO L82 PathProgramCache]: Analyzing trace with hash -897130754, now seen corresponding path program 1 times [2018-11-23 04:39:16,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:39:16,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:16,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:16,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:16,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:39:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3639 backedges. 1266 proven. 35 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-11-23 04:39:18,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:18,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:39:18,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1334 with the following transitions: [2018-11-23 04:39:18,051 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:39:18,054 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:39:18,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:39:18,705 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:39:18,706 INFO L272 AbstractInterpreter]: Visited 310 different actions 1238 times. Merged at 11 different actions 39 times. Never widened. Performed 15007 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15007 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 04:39:18,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:18,709 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:39:18,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:18,709 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:39:18,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:18,719 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:39:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:18,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:39:19,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3639 backedges. 1815 proven. 2 refuted. 0 times theorem prover too weak. 1822 trivial. 0 not checked. [2018-11-23 04:39:19,581 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:39:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3639 backedges. 313 proven. 1702 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2018-11-23 04:39:21,194 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:39:21,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 21 [2018-11-23 04:39:21,195 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:39:21,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 04:39:21,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 04:39:21,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-11-23 04:39:21,196 INFO L87 Difference]: Start difference. First operand 18101 states and 20133 transitions. Second operand 16 states. [2018-11-23 04:39:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:39:32,166 INFO L93 Difference]: Finished difference Result 52097 states and 58599 transitions. [2018-11-23 04:39:32,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-11-23 04:39:32,166 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1333 [2018-11-23 04:39:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:39:32,214 INFO L225 Difference]: With dead ends: 52097 [2018-11-23 04:39:32,215 INFO L226 Difference]: Without dead ends: 26598 [2018-11-23 04:39:32,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2775 GetRequests, 2702 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=769, Invalid=4061, Unknown=0, NotChecked=0, Total=4830 [2018-11-23 04:39:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26598 states. [2018-11-23 04:39:32,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26598 to 25742. [2018-11-23 04:39:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25742 states. [2018-11-23 04:39:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25742 states to 25742 states and 27794 transitions. [2018-11-23 04:39:32,569 INFO L78 Accepts]: Start accepts. Automaton has 25742 states and 27794 transitions. Word has length 1333 [2018-11-23 04:39:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:39:32,570 INFO L480 AbstractCegarLoop]: Abstraction has 25742 states and 27794 transitions. [2018-11-23 04:39:32,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 04:39:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 25742 states and 27794 transitions. [2018-11-23 04:39:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2018-11-23 04:39:32,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:39:32,601 INFO L402 BasicCegarLoop]: trace histogram [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, 9, 9, 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, 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, 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, 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, 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, 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] [2018-11-23 04:39:32,601 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:39:32,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:32,602 INFO L82 PathProgramCache]: Analyzing trace with hash -729223494, now seen corresponding path program 1 times [2018-11-23 04:39:32,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:39:32,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:32,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:32,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:32,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:39:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4880 backedges. 1129 proven. 531 refuted. 0 times theorem prover too weak. 3220 trivial. 0 not checked. [2018-11-23 04:39:34,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:34,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:39:34,492 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1638 with the following transitions: [2018-11-23 04:39:34,493 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:39:34,496 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:39:34,496 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:39:35,375 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:39:35,375 INFO L272 AbstractInterpreter]: Visited 288 different actions 1151 times. Merged at 10 different actions 31 times. Never widened. Performed 13836 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13836 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 04:39:35,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:35,376 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:39:35,376 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:35,377 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:39:35,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:35,383 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:39:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:35,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:39:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4880 backedges. 3379 proven. 2 refuted. 0 times theorem prover too weak. 1499 trivial. 0 not checked. [2018-11-23 04:39:36,494 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:39:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4880 backedges. 1129 proven. 531 refuted. 0 times theorem prover too weak. 3220 trivial. 0 not checked. [2018-11-23 04:39:38,869 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:39:38,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 04:39:38,870 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:39:38,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 04:39:38,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 04:39:38,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-23 04:39:38,871 INFO L87 Difference]: Start difference. First operand 25742 states and 27794 transitions. Second operand 11 states. [2018-11-23 04:39:42,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:39:42,085 INFO L93 Difference]: Finished difference Result 52088 states and 57055 transitions. [2018-11-23 04:39:42,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 04:39:42,086 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1637 [2018-11-23 04:39:42,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:39:42,142 INFO L225 Difference]: With dead ends: 52088 [2018-11-23 04:39:42,142 INFO L226 Difference]: Without dead ends: 27028 [2018-11-23 04:39:42,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3317 GetRequests, 3286 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-11-23 04:39:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27028 states. [2018-11-23 04:39:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27028 to 26352. [2018-11-23 04:39:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26352 states. [2018-11-23 04:39:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26352 states to 26352 states and 28352 transitions. [2018-11-23 04:39:42,518 INFO L78 Accepts]: Start accepts. Automaton has 26352 states and 28352 transitions. Word has length 1637 [2018-11-23 04:39:42,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:39:42,519 INFO L480 AbstractCegarLoop]: Abstraction has 26352 states and 28352 transitions. [2018-11-23 04:39:42,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 04:39:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 26352 states and 28352 transitions. [2018-11-23 04:39:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1877 [2018-11-23 04:39:42,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:39:42,568 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, 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, 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, 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, 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, 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, 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, 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] [2018-11-23 04:39:42,568 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:39:42,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:42,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1542403265, now seen corresponding path program 1 times [2018-11-23 04:39:42,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:39:42,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:42,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:42,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:42,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:39:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6675 backedges. 861 proven. 567 refuted. 0 times theorem prover too weak. 5247 trivial. 0 not checked. [2018-11-23 04:39:43,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:43,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:39:43,935 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1877 with the following transitions: [2018-11-23 04:39:43,935 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:39:43,938 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:39:43,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:39:44,754 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:39:44,754 INFO L272 AbstractInterpreter]: Visited 290 different actions 1169 times. Merged at 11 different actions 41 times. Never widened. Performed 14096 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 04:39:44,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:44,756 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:39:44,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:44,756 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:39:44,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:44,762 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:39:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:44,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:39:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6675 backedges. 4096 proven. 2 refuted. 0 times theorem prover too weak. 2577 trivial. 0 not checked. [2018-11-23 04:39:45,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:39:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6675 backedges. 861 proven. 567 refuted. 0 times theorem prover too weak. 5247 trivial. 0 not checked. [2018-11-23 04:39:46,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:39:46,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 04:39:46,840 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:39:46,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:39:46,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:39:46,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:39:46,842 INFO L87 Difference]: Start difference. First operand 26352 states and 28352 transitions. Second operand 9 states. [2018-11-23 04:39:48,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:39:48,642 INFO L93 Difference]: Finished difference Result 48517 states and 51777 transitions. [2018-11-23 04:39:48,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 04:39:48,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1876 [2018-11-23 04:39:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:39:48,675 INFO L225 Difference]: With dead ends: 48517 [2018-11-23 04:39:48,675 INFO L226 Difference]: Without dead ends: 23521 [2018-11-23 04:39:48,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3769 GetRequests, 3753 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 04:39:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23521 states. [2018-11-23 04:39:48,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23521 to 22134. [2018-11-23 04:39:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22134 states. [2018-11-23 04:39:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22134 states to 22134 states and 23120 transitions. [2018-11-23 04:39:48,902 INFO L78 Accepts]: Start accepts. Automaton has 22134 states and 23120 transitions. Word has length 1876 [2018-11-23 04:39:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:39:48,903 INFO L480 AbstractCegarLoop]: Abstraction has 22134 states and 23120 transitions. [2018-11-23 04:39:48,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:39:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 22134 states and 23120 transitions. [2018-11-23 04:39:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1878 [2018-11-23 04:39:48,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:39:48,935 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, 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, 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, 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, 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, 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, 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, 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] [2018-11-23 04:39:48,935 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:39:48,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:48,936 INFO L82 PathProgramCache]: Analyzing trace with hash -953580414, now seen corresponding path program 1 times [2018-11-23 04:39:48,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:39:48,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:48,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:48,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:39:48,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:39:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6684 backedges. 2764 proven. 1321 refuted. 0 times theorem prover too weak. 2599 trivial. 0 not checked. [2018-11-23 04:39:52,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:52,278 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:39:52,278 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1878 with the following transitions: [2018-11-23 04:39:52,278 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:39:52,281 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:39:52,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:39:53,074 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:39:53,074 INFO L272 AbstractInterpreter]: Visited 290 different actions 1171 times. Merged at 11 different actions 43 times. Never widened. Performed 14073 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14073 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 04:39:53,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:39:53,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:39:53,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:39:53,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:39:53,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:39:53,086 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:39:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:39:53,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:39:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6684 backedges. 3602 proven. 2 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2018-11-23 04:39:54,220 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:39:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6684 backedges. 1712 proven. 279 refuted. 0 times theorem prover too weak. 4693 trivial. 0 not checked. [2018-11-23 04:39:55,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:39:55,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-23 04:39:55,745 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:39:55,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 04:39:55,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 04:39:55,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:39:55,747 INFO L87 Difference]: Start difference. First operand 22134 states and 23120 transitions. Second operand 18 states. [2018-11-23 04:40:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:40:01,404 INFO L93 Difference]: Finished difference Result 42983 states and 45106 transitions. [2018-11-23 04:40:01,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-23 04:40:01,405 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1877 [2018-11-23 04:40:01,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:40:01,432 INFO L225 Difference]: With dead ends: 42983 [2018-11-23 04:40:01,432 INFO L226 Difference]: Without dead ends: 21531 [2018-11-23 04:40:01,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3869 GetRequests, 3791 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1779 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1037, Invalid=4663, Unknown=0, NotChecked=0, Total=5700 [2018-11-23 04:40:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21531 states. [2018-11-23 04:40:01,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21531 to 20734. [2018-11-23 04:40:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20734 states. [2018-11-23 04:40:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20734 states to 20734 states and 21458 transitions. [2018-11-23 04:40:01,630 INFO L78 Accepts]: Start accepts. Automaton has 20734 states and 21458 transitions. Word has length 1877 [2018-11-23 04:40:01,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:40:01,631 INFO L480 AbstractCegarLoop]: Abstraction has 20734 states and 21458 transitions. [2018-11-23 04:40:01,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 04:40:01,631 INFO L276 IsEmpty]: Start isEmpty. Operand 20734 states and 21458 transitions. [2018-11-23 04:40:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1949 [2018-11-23 04:40:01,657 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:40:01,657 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, 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 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, 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, 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, 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, 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] [2018-11-23 04:40:01,658 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:40:01,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:01,658 INFO L82 PathProgramCache]: Analyzing trace with hash 716142179, now seen corresponding path program 1 times [2018-11-23 04:40:01,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:40:01,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:40:01,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:40:01,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:40:01,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:40:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 1159 proven. 4810 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2018-11-23 04:40:07,567 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:40:07,567 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:40:07,567 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1949 with the following transitions: [2018-11-23 04:40:07,567 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:40:07,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:40:07,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:40:08,431 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:40:08,431 INFO L272 AbstractInterpreter]: Visited 291 different actions 1169 times. Merged at 12 different actions 37 times. Widened at 1 different actions 1 times. Performed 14146 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 04:40:08,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:08,432 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:40:08,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:40:08,433 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:40:08,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:40:08,439 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:40:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:08,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 4455 proven. 2 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2018-11-23 04:40:09,691 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:40:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 914 proven. 636 refuted. 0 times theorem prover too weak. 5879 trivial. 0 not checked. [2018-11-23 04:40:11,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:40:11,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-23 04:40:11,155 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:40:11,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-23 04:40:11,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-23 04:40:11,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-23 04:40:11,157 INFO L87 Difference]: Start difference. First operand 20734 states and 21458 transitions. Second operand 28 states. [2018-11-23 04:40:25,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:40:25,941 INFO L93 Difference]: Finished difference Result 48715 states and 50646 transitions. [2018-11-23 04:40:25,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-11-23 04:40:25,941 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1948 [2018-11-23 04:40:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:40:25,973 INFO L225 Difference]: With dead ends: 48715 [2018-11-23 04:40:25,973 INFO L226 Difference]: Without dead ends: 28663 [2018-11-23 04:40:25,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4071 GetRequests, 3961 SyntacticMatches, 6 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3747 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1751, Invalid=9379, Unknown=0, NotChecked=0, Total=11130 [2018-11-23 04:40:26,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28663 states. [2018-11-23 04:40:26,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28663 to 26438. [2018-11-23 04:40:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26438 states. [2018-11-23 04:40:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26438 states to 26438 states and 27329 transitions. [2018-11-23 04:40:26,240 INFO L78 Accepts]: Start accepts. Automaton has 26438 states and 27329 transitions. Word has length 1948 [2018-11-23 04:40:26,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:40:26,241 INFO L480 AbstractCegarLoop]: Abstraction has 26438 states and 27329 transitions. [2018-11-23 04:40:26,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-23 04:40:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 26438 states and 27329 transitions. [2018-11-23 04:40:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1982 [2018-11-23 04:40:26,266 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:40:26,266 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, 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, 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, 9, 9, 9, 9, 9, 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, 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, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:40:26,266 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:40:26,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:26,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1789347998, now seen corresponding path program 1 times [2018-11-23 04:40:26,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:40:26,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:40:26,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:40:26,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:40:26,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:40:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 1263 proven. 5200 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2018-11-23 04:40:32,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:40:32,507 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:40:32,507 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1982 with the following transitions: [2018-11-23 04:40:32,507 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:40:32,510 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:40:32,511 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:40:33,377 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:40:33,377 INFO L272 AbstractInterpreter]: Visited 291 different actions 1166 times. Merged at 12 different actions 34 times. Never widened. Performed 14055 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14055 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 04:40:33,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:33,382 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:40:33,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:40:33,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:40:33,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:40:33,389 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:40:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:33,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:40:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 1470 proven. 35 refuted. 0 times theorem prover too weak. 6296 trivial. 0 not checked. [2018-11-23 04:40:35,000 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:40:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 1503 proven. 2 refuted. 0 times theorem prover too weak. 6296 trivial. 0 not checked. [2018-11-23 04:40:36,211 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:40:36,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 33 [2018-11-23 04:40:36,212 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:40:36,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-23 04:40:36,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-23 04:40:36,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 04:40:36,214 INFO L87 Difference]: Start difference. First operand 26438 states and 27329 transitions. Second operand 29 states. [2018-11-23 04:41:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:41:06,790 INFO L93 Difference]: Finished difference Result 58873 states and 61079 transitions. [2018-11-23 04:41:06,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-11-23 04:41:06,790 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1981 [2018-11-23 04:41:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:41:06,826 INFO L225 Difference]: With dead ends: 58873 [2018-11-23 04:41:06,826 INFO L226 Difference]: Without dead ends: 33458 [2018-11-23 04:41:06,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4128 GetRequests, 4019 SyntacticMatches, 5 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3657 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1707, Invalid=9423, Unknown=0, NotChecked=0, Total=11130 [2018-11-23 04:41:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33458 states. [2018-11-23 04:41:07,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33458 to 30933. [2018-11-23 04:41:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30933 states. [2018-11-23 04:41:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30933 states to 30933 states and 31977 transitions. [2018-11-23 04:41:07,136 INFO L78 Accepts]: Start accepts. Automaton has 30933 states and 31977 transitions. Word has length 1981 [2018-11-23 04:41:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:41:07,137 INFO L480 AbstractCegarLoop]: Abstraction has 30933 states and 31977 transitions. [2018-11-23 04:41:07,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-23 04:41:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 30933 states and 31977 transitions. [2018-11-23 04:41:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2093 [2018-11-23 04:41:07,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:41:07,163 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, 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, 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, 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, 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, 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, 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, 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] [2018-11-23 04:41:07,164 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:41:07,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:41:07,164 INFO L82 PathProgramCache]: Analyzing trace with hash 961791207, now seen corresponding path program 1 times [2018-11-23 04:41:07,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:41:07,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:41:07,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:41:07,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:41:07,165 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:41:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8907 backedges. 1924 proven. 5211 refuted. 0 times theorem prover too weak. 1772 trivial. 0 not checked. [2018-11-23 04:41:13,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:41:13,808 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:41:13,808 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2093 with the following transitions: [2018-11-23 04:41:13,808 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:41:13,810 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:41:13,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:41:14,721 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:41:14,721 INFO L272 AbstractInterpreter]: Visited 292 different actions 1462 times. Merged at 12 different actions 45 times. Never widened. Performed 18243 root evaluator evaluations with a maximum evaluation depth of 22. Performed 18243 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 20 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-23 04:41:14,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:41:14,723 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:41:14,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:41:14,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:41:14,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:41:14,730 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:41:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:14,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:41:15,622 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_~a18~0_1213 Int)) (let ((.cse0 (mod v_~a18~0_1213 299922))) (and (< v_~a18~0_1213 0) (<= .cse0 (+ c_~a18~0 600001)) (not (= 0 .cse0))))) (exists ((v_prenex_17 Int)) (let ((.cse1 (mod v_prenex_17 299922))) (and (<= .cse1 (+ c_~a18~0 300079)) (= 0 .cse1)))) (exists ((v_prenex_18 Int)) (and (<= 0 v_prenex_18) (<= (mod v_prenex_18 299922) (+ c_~a18~0 300079))))) is different from true [2018-11-23 04:41:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8907 backedges. 1605 proven. 33 refuted. 0 times theorem prover too weak. 7263 trivial. 6 not checked. [2018-11-23 04:41:16,904 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:41:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8907 backedges. 1642 proven. 2 refuted. 0 times theorem prover too weak. 7263 trivial. 0 not checked. [2018-11-23 04:41:18,212 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:41:18,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 6, 6] total 40 [2018-11-23 04:41:18,213 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:41:18,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-11-23 04:41:18,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-11-23 04:41:18,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1296, Unknown=1, NotChecked=74, Total=1560 [2018-11-23 04:41:18,214 INFO L87 Difference]: Start difference. First operand 30933 states and 31977 transitions. Second operand 38 states. [2018-11-23 04:41:35,658 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 100 DAG size of output: 50 [2018-11-23 04:41:39,447 WARN L180 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 35 DAG size of output: 17 [2018-11-23 04:41:45,857 WARN L180 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2018-11-23 04:41:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:41:56,252 INFO L93 Difference]: Finished difference Result 68796 states and 71778 transitions. [2018-11-23 04:41:56,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-11-23 04:41:56,252 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 2092 [2018-11-23 04:41:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:41:56,306 INFO L225 Difference]: With dead ends: 68796 [2018-11-23 04:41:56,306 INFO L226 Difference]: Without dead ends: 39223 [2018-11-23 04:41:56,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4447 GetRequests, 4272 SyntacticMatches, 7 SemanticMatches, 168 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9819 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=3633, Invalid=24748, Unknown=15, NotChecked=334, Total=28730 [2018-11-23 04:41:56,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39223 states. [2018-11-23 04:41:56,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39223 to 37409. [2018-11-23 04:41:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37409 states. [2018-11-23 04:41:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37409 states to 37409 states and 38563 transitions. [2018-11-23 04:41:56,738 INFO L78 Accepts]: Start accepts. Automaton has 37409 states and 38563 transitions. Word has length 2092 [2018-11-23 04:41:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:41:56,739 INFO L480 AbstractCegarLoop]: Abstraction has 37409 states and 38563 transitions. [2018-11-23 04:41:56,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-11-23 04:41:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 37409 states and 38563 transitions. [2018-11-23 04:41:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2528 [2018-11-23 04:41:56,783 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:41:56,783 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 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, 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:41:56,784 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:41:56,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:41:56,784 INFO L82 PathProgramCache]: Analyzing trace with hash -606020989, now seen corresponding path program 1 times [2018-11-23 04:41:56,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:41:56,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:41:56,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:41:56,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:41:56,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:41:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11539 backedges. 4128 proven. 2509 refuted. 0 times theorem prover too weak. 4902 trivial. 0 not checked. [2018-11-23 04:42:01,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:42:01,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:42:01,888 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2528 with the following transitions: [2018-11-23 04:42:01,888 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:42:01,891 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:42:01,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:42:02,903 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:42:02,903 INFO L272 AbstractInterpreter]: Visited 342 different actions 1704 times. Merged at 15 different actions 49 times. Widened at 1 different actions 1 times. Performed 21684 root evaluator evaluations with a maximum evaluation depth of 22. Performed 21684 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 21 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 04:42:02,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:42:02,905 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:42:02,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:42:02,905 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:42:02,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:42:02,911 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:42:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:03,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:42:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 11539 backedges. 2657 proven. 5 refuted. 0 times theorem prover too weak. 8877 trivial. 0 not checked. [2018-11-23 04:42:06,137 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:42:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 11539 backedges. 2657 proven. 5 refuted. 0 times theorem prover too weak. 8877 trivial. 0 not checked. [2018-11-23 04:42:09,760 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:42:09,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 23 [2018-11-23 04:42:09,761 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:42:09,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 04:42:09,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 04:42:09,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2018-11-23 04:42:09,763 INFO L87 Difference]: Start difference. First operand 37409 states and 38563 transitions. Second operand 20 states. [2018-11-23 04:42:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:42:15,646 INFO L93 Difference]: Finished difference Result 73398 states and 75691 transitions. [2018-11-23 04:42:15,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-23 04:42:15,647 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 2527 [2018-11-23 04:42:15,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:42:15,695 INFO L225 Difference]: With dead ends: 73398 [2018-11-23 04:42:15,696 INFO L226 Difference]: Without dead ends: 38039 [2018-11-23 04:42:15,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5155 GetRequests, 5082 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=882, Invalid=3810, Unknown=0, NotChecked=0, Total=4692 [2018-11-23 04:42:15,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38039 states. [2018-11-23 04:42:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38039 to 37265. [2018-11-23 04:42:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37265 states. [2018-11-23 04:42:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37265 states to 37265 states and 38324 transitions. [2018-11-23 04:42:16,094 INFO L78 Accepts]: Start accepts. Automaton has 37265 states and 38324 transitions. Word has length 2527 [2018-11-23 04:42:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:42:16,095 INFO L480 AbstractCegarLoop]: Abstraction has 37265 states and 38324 transitions. [2018-11-23 04:42:16,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 04:42:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 37265 states and 38324 transitions. [2018-11-23 04:42:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2645 [2018-11-23 04:42:16,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:42:16,143 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, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 13, 13, 13, 13, 13, 13, 13, 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, 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, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:42:16,144 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:42:16,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:42:16,144 INFO L82 PathProgramCache]: Analyzing trace with hash -2063304485, now seen corresponding path program 1 times [2018-11-23 04:42:16,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:42:16,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:42:16,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:42:16,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:42:16,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:42:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13538 backedges. 3788 proven. 4950 refuted. 0 times theorem prover too weak. 4800 trivial. 0 not checked. [2018-11-23 04:42:21,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:42:21,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:42:21,506 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2645 with the following transitions: [2018-11-23 04:42:21,506 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 04:42:21,508 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:42:21,508 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:42:22,533 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:42:22,533 INFO L272 AbstractInterpreter]: Visited 316 different actions 1571 times. Merged at 12 different actions 46 times. Widened at 1 different actions 2 times. Performed 19746 root evaluator evaluations with a maximum evaluation depth of 22. Performed 19746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 22 fixpoints after 12 different actions. Largest state had 24 variables. [2018-11-23 04:42:22,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:42:22,538 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:42:22,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:42:22,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/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 [2018-11-23 04:42:22,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:42:22,545 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:42:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:42:22,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:42:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13538 backedges. 2844 proven. 2 refuted. 0 times theorem prover too weak. 10692 trivial. 0 not checked. [2018-11-23 04:42:24,593 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:42:27,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13538 backedges. 2844 proven. 2 refuted. 0 times theorem prover too weak. 10692 trivial. 0 not checked. [2018-11-23 04:42:27,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:42:27,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 19 [2018-11-23 04:42:27,477 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:42:27,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 04:42:27,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 04:42:27,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:42:27,479 INFO L87 Difference]: Start difference. First operand 37265 states and 38324 transitions. Second operand 18 states. [2018-11-23 04:42:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:42:34,622 INFO L93 Difference]: Finished difference Result 73204 states and 75367 transitions. [2018-11-23 04:42:34,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-23 04:42:34,622 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2644 [2018-11-23 04:42:34,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:42:34,625 INFO L225 Difference]: With dead ends: 73204 [2018-11-23 04:42:34,625 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:42:34,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5416 GetRequests, 5335 SyntacticMatches, 12 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=852, Invalid=4118, Unknown=0, NotChecked=0, Total=4970 [2018-11-23 04:42:34,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:42:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:42:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:42:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:42:34,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2644 [2018-11-23 04:42:34,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:42:34,666 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:42:34,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 04:42:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:42:34,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:42:34,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:42:34,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:34,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:34,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:35,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,087 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 825 DAG size of output: 742 [2018-11-23 04:42:36,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:36,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:37,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:38,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:42:39,395 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 863 DAG size of output: 785 [2018-11-23 04:42:43,422 WARN L180 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 741 DAG size of output: 129 [2018-11-23 04:42:46,234 WARN L180 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 592 DAG size of output: 137 [2018-11-23 04:42:50,493 WARN L180 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 791 DAG size of output: 137 [2018-11-23 04:42:57,116 WARN L180 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 773 DAG size of output: 205 [2018-11-23 04:43:01,420 WARN L180 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 786 DAG size of output: 128 [2018-11-23 04:43:01,422 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,423 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,424 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse8 (= 8 |old(~a12~0)|))) (let ((.cse22 (= 6 |old(~a12~0)|)) (.cse13 (= |old(~a15~0)| ~a15~0)) (.cse7 (= 4 |old(~a15~0)|)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse17 (not .cse8)) (.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse19 (= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a12~0)| ~a12~0))) (let ((.cse20 (not (= 7 |old(~a12~0)|))) (.cse15 (not (= 8 |old(~a16~0)|))) (.cse21 (not (= 5 |old(~a12~0)|))) (.cse11 (not (= 11 |old(~a16~0)|))) (.cse12 (<= ~a18~0 |old(~a18~0)|)) (.cse10 (not (= 9 |old(~a16~0)|))) (.cse2 (forall ((v_prenex_10 Int)) (let ((.cse25 (* 9 v_prenex_10))) (let ((.cse24 (div .cse25 10))) (let ((.cse26 (mod .cse24 38))) (or (<= 0 .cse24) (not (= 0 (mod .cse25 10))) (< (+ |old(~a18~0)| 155) .cse26) (= 0 .cse26))))))) (.cse23 (= 10 |old(~a16~0)|)) (.cse1 (and .cse18 (= 3 ~a15~0) .cse19 .cse14)) (.cse9 (and (or .cse0 (<= |old(~a18~0)| 134) .cse17) (< 0 (+ |old(~a18~0)| 79)))) (.cse16 (not .cse7)) (.cse3 (= 12 |old(~a16~0)|)) (.cse4 (< (+ |old(~a18~0)| 600016) 0)) (.cse6 (and .cse13 .cse18 .cse19 .cse14)) (.cse5 (not .cse22))) (and (or .cse0 (not (= |old(~a12~0)| 5)) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse0 .cse4 (= 0 |old(~a12~0)|) .cse11) (or (and (= |old(~a16~0)| ~a16~0) .cse12 .cse13 .cse14) .cse15 .cse7) (or (or .cse16 (or .cse17 .cse10)) .cse4 (and (= 8 ~a12~0) (= 4 ~a15~0) .cse18 .cse19)) (or .cse0 .cse10 .cse1) (or .cse16 .cse15 .cse6 .cse4 .cse20) (or .cse7 .cse10 (< 7 |old(~a12~0)|) .cse6) (or .cse16 .cse4 .cse6 (or .cse15 .cse21)) (or .cse22 .cse0 .cse4 (< |old(~a16~0)| 12) .cse1) (or .cse2 (or .cse20 .cse10) .cse6) (or .cse16 .cse21 (forall ((v_~a18~0_1263 Int)) (or (< |old(~a18~0)| (+ (* 3 v_~a18~0_1263) 599175)) (<= (+ v_~a18~0_1263 156) 0))) (and .cse13 .cse19 (= ~a16~0 10) .cse14) (not .cse23)) (or .cse16 .cse15 .cse2 (not (= 9 |old(~a12~0)|)) .cse6) (or .cse16 .cse4 (or .cse15 .cse17) .cse6) (or .cse0 .cse4 .cse9 .cse1 .cse17) (or .cse0 .cse21 .cse11 (and .cse12 .cse13 (= ~a16~0 11) .cse14)) (or .cse8 .cse6 .cse4 .cse9 .cse10) (or .cse0 .cse8 .cse2 .cse23 .cse1) (or .cse16 (< 6 |old(~a12~0)|) .cse3 .cse6 .cse4 .cse9) (or .cse16 .cse3 .cse4 .cse6 .cse5))))) [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,425 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,426 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 04:43:01,427 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse29 (= ~a16~0 11)) (.cse34 (= ~a12~0 5)) (.cse38 (= 8 |old(~a12~0)|))) (let ((.cse39 (= 4 |old(~a15~0)|)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse4 (not .cse38)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse35 (= 3 ~a15~0)) (.cse23 (= ~a18~0 |old(~a18~0)|)) (.cse28 (<= ~a18~0 |old(~a18~0)|)) (.cse8 (not (= calculate_output_~input 0))) (.cse36 (let ((.cse44 (= ~a15~0 3))) (or (and (= ~a16~0 8) .cse44 .cse34) (and .cse29 .cse44 .cse34 (= (+ ~a18~0 87) 0))))) (.cse30 (= |old(~a12~0)| ~a12~0)) (.cse10 (= 6 |old(~a12~0)|)) (.cse17 (= 8 ~a16~0)) (.cse40 (not (= ~a15~0 4))) (.cse18 (= |old(~a16~0)| ~a16~0)) (.cse25 (= |old(~a15~0)| ~a15~0))) (let ((.cse14 (< |old(~a16~0)| 12)) (.cse24 (= 8 ~a12~0)) (.cse0 (and (not (= ~a12~0 6)) .cse17 .cse40 .cse18 .cse25)) (.cse15 (+ ~a18~0 156)) (.cse11 (forall ((v_prenex_10 Int)) (let ((.cse42 (* 9 v_prenex_10))) (let ((.cse41 (div .cse42 10))) (let ((.cse43 (mod .cse41 38))) (or (<= 0 .cse41) (not (= 0 (mod .cse42 10))) (< (+ |old(~a18~0)| 155) .cse43) (= 0 .cse43))))))) (.cse31 (= 10 |old(~a16~0)|)) (.cse20 (= 12 |old(~a16~0)|)) (.cse16 (not (= calculate_output_~input 1))) (.cse21 (not .cse10)) (.cse32 (not (= 7 |old(~a12~0)|))) (.cse37 (and .cse17 .cse40 .cse18 (= 7 ~a12~0) .cse25)) (.cse33 (and .cse17 .cse18 .cse28 .cse25 .cse8 .cse36 .cse30)) (.cse19 (and .cse22 .cse35 .cse23 .cse30)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse13 (not (= 11 |old(~a16~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse27 (and (or .cse5 (<= |old(~a18~0)| 134) .cse4) (< 0 (+ |old(~a18~0)| 79)))) (.cse12 (= 0 |old(~a12~0)|)) (.cse26 (not .cse39)) (.cse2 (and .cse25 .cse22 .cse23 .cse30)) (.cse1 (< (+ |old(~a18~0)| 600016) 0)) (.cse3 (not (= 8 |old(~a16~0)|))) (.cse6 (not (= 5 |old(~a12~0)|)))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse5 .cse11 .cse12 .cse13 .cse7 .cse8) (or .cse5 .cse1 (or .cse4 .cse14) (or (<= .cse15 0) (not (= 12 ~a16~0)) .cse16 (< 0 (+ ~a18~0 79)))) (or (and .cse17 .cse18) .cse19 .cse5 .cse20 .cse1 .cse21) (or (and .cse22 .cse23 .cse24 .cse25) .cse4 .cse7 (or .cse5 .cse13) .cse1) (or .cse26 .cse2 .cse1 .cse27 .cse9) (or .cse5 .cse6 (and .cse28 .cse25 .cse29 .cse8 .cse30) .cse13 .cse7) (or .cse10 .cse5 .cse19 .cse1 .cse14) (or .cse5 .cse11 .cse19 .cse14) (or .cse8 .cse1 (or (or .cse5 .cse6 .cse7) .cse14)) (or .cse26 .cse3 .cse11 (not (= 9 |old(~a12~0)|)) .cse2) (or .cse26 .cse6 (and (not (= 2 calculate_output_~input)) .cse25 .cse23 (= ~a16~0 10) .cse30) (forall ((v_~a18~0_1263 Int)) (or (< |old(~a18~0)| (+ (* 3 v_~a18~0_1263) 599175)) (<= (+ v_~a18~0_1263 156) 0))) (not .cse31)) (or .cse26 (< 6 |old(~a12~0)|) .cse20 .cse2 .cse1 .cse27) (or (and (and .cse25 .cse22 .cse23) .cse30) .cse1 (or .cse32 .cse9)) (or .cse5 .cse6 .cse33 .cse7 (and .cse8 .cse22 .cse23 .cse34 .cse25) .cse11 (= 0 |old(~a16~0)|)) (or (or .cse26 (or .cse4 .cse9)) .cse1 (and (and .cse24 .cse25 .cse22) .cse23)) (or .cse0 .cse5 .cse4 .cse1 .cse27 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (< 0 .cse15)) .cse22 .cse35 .cse23 .cse30)) (or (and .cse17 .cse18 .cse36) .cse5 .cse37 .cse19 (and .cse17 (= |old(~a12~0)| 9) .cse18) .cse10 .cse38 .cse11 .cse31) (or .cse26 .cse20 .cse1 (and (or (not (= 9 ~a16~0)) (< 134 ~a18~0) .cse16) .cse25 .cse22 .cse23 .cse30) .cse21) (or .cse3 .cse32 .cse37 .cse2 .cse1) (or .cse2 .cse39 .cse38 .cse27 .cse9) (or .cse3 (or .cse5 .cse6) .cse33 .cse7) (or .cse5 .cse9 .cse19) (or (< 7 |old(~a12~0)|) .cse2 .cse39 .cse9) (or .cse5 .cse13 .cse7 .cse1 .cse27 .cse12 (and .cse8 .cse22 .cse35 .cse23 .cse30)) (or .cse3 .cse39 (and .cse18 .cse28 .cse25 .cse30)) (or .cse26 .cse2 .cse1 (or .cse3 .cse6)))))) [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,428 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 04:43:01,429 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,430 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,431 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,432 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,433 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,434 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse11 (= 8 |old(~a12~0)|))) (let ((.cse20 (= 6 |old(~a12~0)|)) (.cse21 (= |old(~a15~0)| ~a15~0)) (.cse10 (= 4 |old(~a15~0)|)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse15 (not .cse11)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a18~0 |old(~a18~0)|)) (.cse22 (= |old(~a12~0)| ~a12~0))) (let ((.cse19 (not (= 7 |old(~a12~0)|))) (.cse18 (not (= 8 |old(~a16~0)|))) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse24 (<= ~a18~0 |old(~a18~0)|)) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse2 (= |calculate_output_#in~input| 0)) (.cse13 (not (= 9 |old(~a16~0)|))) (.cse3 (forall ((v_prenex_10 Int)) (let ((.cse26 (* 9 v_prenex_10))) (let ((.cse25 (div .cse26 10))) (let ((.cse27 (mod .cse25 38))) (or (<= 0 .cse25) (not (= 0 (mod .cse26 10))) (< (+ |old(~a18~0)| 155) .cse27) (= 0 .cse27))))))) (.cse23 (= 10 |old(~a16~0)|)) (.cse4 (and .cse16 (= 3 ~a15~0) .cse17 .cse22)) (.cse12 (and (or .cse0 (<= |old(~a18~0)| 134) .cse15) (< 0 (+ |old(~a18~0)| 79)))) (.cse14 (not .cse10)) (.cse7 (= 12 |old(~a16~0)|)) (.cse5 (< (+ |old(~a18~0)| 600016) 0)) (.cse9 (and .cse21 .cse16 .cse17 .cse22)) (.cse8 (not .cse20))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse4 .cse0 .cse5 (= 0 |old(~a12~0)|) .cse6 .cse2) (or .cse7 .cse0 .cse5 .cse8 .cse4) (or .cse9 .cse10 .cse11 .cse12 .cse13) (or (or .cse14 (or .cse15 .cse13)) .cse5 (and (= 8 ~a12~0) (= 4 ~a15~0) .cse16 .cse17)) (or .cse0 .cse13 .cse4) (or .cse14 .cse18 .cse9 .cse5 .cse19) (or .cse10 .cse13 (< 7 |old(~a12~0)|) .cse9) (or .cse14 .cse5 .cse9 (or .cse18 .cse1)) (or .cse20 .cse0 .cse5 (< |old(~a16~0)| 12) .cse4) (or .cse3 (or .cse19 .cse13) .cse9) (or .cse14 .cse1 (forall ((v_~a18~0_1263 Int)) (or (< |old(~a18~0)| (+ (* 3 v_~a18~0_1263) 599175)) (<= (+ v_~a18~0_1263 156) 0))) (and .cse21 .cse17 (= ~a16~0 10) .cse22) (not .cse23)) (or .cse14 .cse18 .cse3 (not (= 9 |old(~a12~0)|)) .cse9) (or .cse14 .cse5 (or .cse18 .cse15) .cse9) (or .cse18 .cse10 (and (= |old(~a16~0)| ~a16~0) .cse24 .cse21 .cse22)) (or .cse0 .cse5 .cse12 .cse4 .cse15) (or .cse0 .cse1 (and .cse24 .cse21 (= ~a16~0 11) .cse22) .cse6 .cse2) (or .cse11 .cse9 .cse5 .cse12 .cse13) (or .cse0 .cse11 .cse3 .cse23 .cse4) (or .cse14 (< 6 |old(~a12~0)|) .cse7 .cse9 .cse5 .cse12) (or .cse14 .cse7 .cse5 .cse9 .cse8))))) [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 04:43:01,435 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 04:43:01,436 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,437 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,438 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,439 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,440 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,441 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,442 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,443 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 04:43:01,444 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 04:43:01,445 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 04:43:01,446 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 04:43:01,447 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:43:01,448 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-23 04:43:01,448 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:43:01,448 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:43:01,448 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= ~a16~0 |old(~a16~0)|) (= ~a12~0 5) (= |old(~a18~0)| ~a18~0) (= |old(~a15~0)| ~a15~0))) [2018-11-23 04:43:01,448 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 04:43:01,448 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse5 (= 8 ~a12~0)) (.cse8 (= ~a15~0 3))) (let ((.cse14 (+ |old(~a18~0)| 87)) (.cse0 (= 8 ~a16~0)) (.cse7 (= ~a16~0 11)) (.cse9 (= 6 ~a12~0)) (.cse10 (not (= ~a16~0 12))) (.cse3 (= 4 ~a15~0)) (.cse4 (= 9 ~a16~0)) (.cse11 (not (= ~a15~0 4))) (.cse12 (or (<= (+ ~a18~0 79) 0) (and .cse5 .cse8 (< 134 ~a18~0)))) (.cse2 (<= 0 (+ ~a18~0 600016))) (.cse15 (not (= ~a12~0 8))) (.cse1 (= 7 ~a12~0)) (.cse6 (not (= main_~input~0 0))) (.cse17 (= ~a12~0 5)) (.cse13 (= 3 ~a15~0)) (.cse16 (exists ((v_prenex_10 Int)) (let ((.cse20 (* 9 v_prenex_10))) (let ((.cse19 (div .cse20 10))) (let ((.cse18 (mod .cse19 38))) (and (not (= 0 .cse18)) (< .cse19 0) (= 0 (mod .cse20 10)) (<= .cse18 (+ ~a18~0 155))))))))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (and .cse2 (and .cse3 (and .cse4 .cse5))) (and (and .cse6 (and .cse7 .cse8 (not (= ~a12~0 0)))) .cse2) (not (= 3 |old(~a15~0)|)) (and .cse9 .cse3 .cse10 .cse2) (and .cse0 .cse11) (and (and .cse5 .cse12) .cse2 .cse13) (not (= 5 |old(~a12~0)|)) (< 0 .cse14) (and .cse5 .cse0 .cse2) (and .cse3 .cse12 .cse10 .cse2 (<= ~a12~0 6)) (and .cse4 .cse11 (<= ~a12~0 7)) (< .cse14 0) (and .cse12 .cse15 .cse4 .cse2) (and (and .cse0 .cse16) (= ~a12~0 9)) (and (and .cse0 (= 5 ~a12~0)) .cse2) (and .cse4 .cse13) (and (and .cse1 .cse4) .cse16) (and .cse6 .cse8 .cse17 .cse7) (and .cse9 .cse10 .cse2 .cse13) (and .cse3 (exists ((v_~a18~0_1263 Int)) (and (< 0 (+ v_~a18~0_1263 156)) (<= (+ (* 3 v_~a18~0_1263) 599175) ~a18~0))) .cse17 (= ~a16~0 10)) (and .cse4 .cse11 .cse12 .cse15) (and .cse2 .cse13 (and (<= 12 ~a16~0) (not (= ~a12~0 6)))) (and (not (= 10 ~a16~0)) .cse15 (not .cse1) .cse13 .cse16) (and .cse6 .cse17 .cse13 .cse16)))) [2018-11-23 04:43:01,448 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 04:43:01,448 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 04:43:01,449 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse7 (not (= ~a16~0 12))) (.cse17 (= ~a12~0 5)) (.cse5 (= 8 ~a12~0)) (.cse14 (= ~a15~0 3))) (let ((.cse15 (+ |old(~a18~0)| 87)) (.cse0 (= 8 ~a16~0)) (.cse6 (= 6 ~a12~0)) (.cse3 (= 4 ~a15~0)) (.cse4 (= 9 ~a16~0)) (.cse8 (not (= ~a15~0 4))) (.cse11 (or (<= (+ ~a18~0 79) 0) (and .cse5 .cse14 (< 134 ~a18~0)))) (.cse2 (<= 0 (+ ~a18~0 600016))) (.cse13 (= ~a16~0 11)) (.cse9 (and (not (= ~a16~0 0)) .cse14 .cse7 .cse17)) (.cse16 (not (= ~a12~0 8))) (.cse1 (= 7 ~a12~0)) (.cse12 (= 3 ~a15~0)) (.cse10 (exists ((v_prenex_10 Int)) (let ((.cse20 (* 9 v_prenex_10))) (let ((.cse19 (div .cse20 10))) (let ((.cse18 (mod .cse19 38))) (and (not (= 0 .cse18)) (< .cse19 0) (= 0 (mod .cse20 10)) (<= .cse18 (+ ~a18~0 155))))))))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (and .cse2 (and .cse3 (and .cse4 .cse5))) (not (= 3 |old(~a15~0)|)) (and .cse6 .cse3 .cse7 .cse2) (and .cse0 .cse8) (and .cse9 .cse10) (and (and .cse5 .cse11) .cse2 .cse12) (and (and .cse13 .cse14 (not (= ~a12~0 0))) .cse2) (not (= 5 |old(~a12~0)|)) (< 0 .cse15) (and .cse5 .cse0 .cse2) (and .cse3 .cse11 .cse7 .cse2 (<= ~a12~0 6)) (and .cse4 .cse8 (<= ~a12~0 7)) (< .cse15 0) (and .cse11 .cse16 .cse4 .cse2) (and (and .cse0 .cse10) (= ~a12~0 9)) (and (and .cse0 (= 5 ~a12~0)) .cse2) (and .cse4 .cse12) (and (and .cse1 .cse4) .cse10) (and .cse6 .cse7 .cse2 .cse12) (and .cse3 (exists ((v_~a18~0_1263 Int)) (and (< 0 (+ v_~a18~0_1263 156)) (<= (+ (* 3 v_~a18~0_1263) 599175) ~a18~0))) .cse17 (= ~a16~0 10)) (and .cse4 .cse8 .cse11 .cse16) (and .cse2 .cse12 (and (<= 12 ~a16~0) (not (= ~a12~0 6)))) (and .cse13 .cse9) (and (not (= 10 ~a16~0)) .cse16 (not .cse1) .cse12 .cse10)))) [2018-11-23 04:43:01,449 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 04:43:01,453 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,454 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,454 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,455 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,456 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,457 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,463 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,464 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,465 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,466 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:43:01 BoogieIcfgContainer [2018-11-23 04:43:01,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:43:01,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:43:01,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:43:01,469 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:43:01,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:33:13" (3/4) ... [2018-11-23 04:43:01,473 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:43:01,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:43:01,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 04:43:01,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:43:01,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:43:01,496 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 04:43:01,498 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:43:01,525 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((!(11 == \old(a16)) || ((8 == a16 && 7 == a12) && 0 <= a18 + 600016)) || (0 <= a18 + 600016 && 4 == a15 && 9 == a16 && 8 == a12)) || !(3 == \old(a15))) || (((6 == a12 && 4 == a15) && !(a16 == 12)) && 0 <= a18 + 600016)) || (8 == a16 && !(a15 == 4))) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155))) || (((8 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 <= a18 + 600016) && 3 == a15)) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && 0 <= a18 + 600016)) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((8 == a12 && 8 == a16) && 0 <= a18 + 600016)) || ((((4 == a15 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a16 == 12)) && 0 <= a18 + 600016) && a12 <= 6)) || ((9 == a16 && !(a15 == 4)) && a12 <= 7)) || \old(a18) + 87 < 0) || ((((a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18)) && !(a12 == 8)) && 9 == a16) && 0 <= a18 + 600016)) || ((8 == a16 && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155)) && a12 == 9)) || ((8 == a16 && 5 == a12) && 0 <= a18 + 600016)) || (9 == a16 && 3 == a15)) || ((7 == a12 && 9 == a16) && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155))) || (((6 == a12 && !(a16 == 12)) && 0 <= a18 + 600016) && 3 == a15)) || (((4 == a15 && (\exists v_~a18~0_1263 : int :: 0 < v_~a18~0_1263 + 156 && 3 * v_~a18~0_1263 + 599175 <= a18)) && a12 == 5) && a16 == 10)) || (((9 == a16 && !(a15 == 4)) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a12 == 8))) || ((0 <= a18 + 600016 && 3 == a15) && 12 <= a16 && !(a12 == 6))) || (a16 == 11 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || ((((!(10 == a16) && !(a12 == 8)) && !(7 == a12)) && 3 == a15) && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155)) [2018-11-23 04:43:01,681 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_39fb676e-9853-4419-aa14-d38c299189c6/bin-2019/utaipan/witness.graphml [2018-11-23 04:43:01,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:43:01,681 INFO L168 Benchmark]: Toolchain (without parser) took 594192.32 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 951.6 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,682 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:43:01,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1011.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 873.7 MB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 873.7 MB in the beginning and 1.1 GB in the end (delta: -235.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,683 INFO L168 Benchmark]: Boogie Preprocessor took 124.13 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,683 INFO L168 Benchmark]: RCFGBuilder took 4371.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 852.6 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,684 INFO L168 Benchmark]: TraceAbstraction took 588328.03 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 852.6 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,684 INFO L168 Benchmark]: Witness Printer took 211.66 ms. Allocated memory is still 5.3 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:43:01,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1011.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 873.7 MB in the end (delta: 77.9 MB). Peak memory consumption was 77.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 140.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 873.7 MB in the beginning and 1.1 GB in the end (delta: -235.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.13 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4371.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 852.6 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 588328.03 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 852.6 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. * Witness Printer took 211.66 ms. Allocated memory is still 5.3 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 1773]: Loop Invariant [2018-11-23 04:43:01,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,692 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,692 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,692 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,692 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,692 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,692 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,693 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,694 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,694 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,695 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,695 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,695 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,695 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,695 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,696 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1263,QUANTIFIED] [2018-11-23 04:43:01,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] [2018-11-23 04:43:01,697 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_10,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((!(11 == \old(a16)) || ((8 == a16 && 7 == a12) && 0 <= a18 + 600016)) || (0 <= a18 + 600016 && 4 == a15 && 9 == a16 && 8 == a12)) || !(3 == \old(a15))) || (((6 == a12 && 4 == a15) && !(a16 == 12)) && 0 <= a18 + 600016)) || (8 == a16 && !(a15 == 4))) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155))) || (((8 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 <= a18 + 600016) && 3 == a15)) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && 0 <= a18 + 600016)) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((8 == a12 && 8 == a16) && 0 <= a18 + 600016)) || ((((4 == a15 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a16 == 12)) && 0 <= a18 + 600016) && a12 <= 6)) || ((9 == a16 && !(a15 == 4)) && a12 <= 7)) || \old(a18) + 87 < 0) || ((((a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18)) && !(a12 == 8)) && 9 == a16) && 0 <= a18 + 600016)) || ((8 == a16 && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155)) && a12 == 9)) || ((8 == a16 && 5 == a12) && 0 <= a18 + 600016)) || (9 == a16 && 3 == a15)) || ((7 == a12 && 9 == a16) && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155))) || (((6 == a12 && !(a16 == 12)) && 0 <= a18 + 600016) && 3 == a15)) || (((4 == a15 && (\exists v_~a18~0_1263 : int :: 0 < v_~a18~0_1263 + 156 && 3 * v_~a18~0_1263 + 599175 <= a18)) && a12 == 5) && a16 == 10)) || (((9 == a16 && !(a15 == 4)) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a12 == 8))) || ((0 <= a18 + 600016 && 3 == a15) && 12 <= a16 && !(a12 == 6))) || (a16 == 11 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || ((((!(10 == a16) && !(a12 == 8)) && !(7 == a12)) && 3 == a15) && (\exists v_prenex_10 : int :: ((!(0 == 9 * v_prenex_10 / 10 % 38) && 9 * v_prenex_10 / 10 < 0) && 0 == 9 * v_prenex_10 % 10) && 9 * v_prenex_10 / 10 % 38 <= a18 + 155)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 588.2s OverallTime, 20 OverallIterations, 15 TraceHistogramMax, 470.0s AutomataDifference, 0.0s DeadEndRemovalTime, 26.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 4046 SDtfs, 103621 SDslu, 9277 SDs, 0 SdLazy, 197737 SolverSat, 16176 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 382.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 43139 GetRequests, 42265 SyntacticMatches, 57 SemanticMatches, 817 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 23740 ImplicationChecksByTransitivity, 35.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37409occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.5s AbstIntTime, 16 AbstIntIterations, 4 AbstIntStrong, 0.9979524346511713 AbsIntWeakeningRatio, 0.06504065040650407 AbsIntAvgWeakeningVarsNumRemoved, 15.760670731707316 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 11585 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3079 PreInvPairs, 6377 NumberOfFragments, 4141 HoareAnnotationTreeSize, 3079 FomulaSimplifications, 963961 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 655913 FormulaSimplificationTreeSizeReductionInter, 21.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 39.4s InterpolantComputationTime, 42357 NumberOfCodeBlocks, 42357 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 62278 ConstructedInterpolants, 101 QuantifiedInterpolants, 439871744 SizeOfPredicates, 27 NumberOfNonLiveVariables, 25619 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 44 InterpolantComputations, 6 PerfectInterpolantSequences, 195440/225108 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...