./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 0.1.23-635dfa2 [2018-12-08 16:26:55,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:26:55,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:26:55,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:26:55,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:26:55,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:26:55,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:26:55,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:26:55,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:26:55,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:26:55,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:26:55,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:26:55,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:26:55,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:26:55,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:26:55,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:26:55,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:26:55,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:26:55,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:26:55,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:26:55,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:26:55,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:26:55,347 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:26:55,347 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:26:55,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:26:55,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:26:55,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:26:55,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:26:55,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:26:55,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:26:55,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:26:55,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:26:55,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:26:55,351 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:26:55,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:26:55,351 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:26:55,352 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:26:55,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:26:55,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:26:55,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:26:55,360 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:26:55,360 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:26:55,360 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:26:55,360 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:26:55,360 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:26:55,360 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:26:55,360 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:26:55,361 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:26:55,361 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:26:55,361 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:26:55,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:26:55,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:26:55,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:26:55,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:26:55,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:26:55,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:26:55,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:26:55,363 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:26:55,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:26:55,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:26:55,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:26:55,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:26:55,364 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:26:55,364 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:26:55,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:26:55,364 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:26:55,364 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_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:26:55,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:26:55,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:26:55,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:26:55,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:26:55,391 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:26:55,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c [2018-12-08 16:26:55,425 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/data/7d5df697c/5287086800ee4981bdc081bae01f3d61/FLAG97f6e4862 [2018-12-08 16:26:55,914 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:26:55,914 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c [2018-12-08 16:26:55,923 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/data/7d5df697c/5287086800ee4981bdc081bae01f3d61/FLAG97f6e4862 [2018-12-08 16:26:55,933 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/data/7d5df697c/5287086800ee4981bdc081bae01f3d61 [2018-12-08 16:26:55,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:26:55,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:26:55,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:26:55,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:26:55,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:26:55,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:26:55" (1/1) ... [2018-12-08 16:26:55,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53734a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:55, skipping insertion in model container [2018-12-08 16:26:55,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:26:55" (1/1) ... [2018-12-08 16:26:55,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:26:55,984 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:26:56,285 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:26:56,288 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:26:56,477 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:26:56,486 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:26:56,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56 WrapperNode [2018-12-08 16:26:56,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:26:56,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:26:56,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:26:56,487 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:26:56,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:26:56,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:26:56,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:26:56,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:26:56,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... [2018-12-08 16:26:56,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:26:56,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:26:56,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:26:56,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:26:56,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:26:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:26:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:26:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-08 16:26:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-08 16:26:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 16:26:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 16:26:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:26:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:26:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:26:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:26:57,842 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:26:57,842 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 16:26:57,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:26:57 BoogieIcfgContainer [2018-12-08 16:26:57,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:26:57,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:26:57,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:26:57,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:26:57,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:26:55" (1/3) ... [2018-12-08 16:26:57,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60839607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:26:57, skipping insertion in model container [2018-12-08 16:26:57,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:56" (2/3) ... [2018-12-08 16:26:57,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60839607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:26:57, skipping insertion in model container [2018-12-08 16:26:57,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:26:57" (3/3) ... [2018-12-08 16:26:57,847 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label53_true-unreach-call.c [2018-12-08 16:26:57,853 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:26:57,857 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:26:57,867 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:26:57,888 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:26:57,889 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:26:57,889 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:26:57,889 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:26:57,889 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:26:57,889 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:26:57,889 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:26:57,889 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:26:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-08 16:26:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:26:57,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:26:57,909 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] [2018-12-08 16:26:57,911 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:26:57,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:26:57,914 INFO L82 PathProgramCache]: Analyzing trace with hash -302324190, now seen corresponding path program 1 times [2018-12-08 16:26:57,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:26:57,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:26:57,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:26:57,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:26:57,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:26:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:26:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:26:58,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:26:58,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:26:58,086 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:26:58,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:26:58,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:26:58,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:26:58,099 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-08 16:26:59,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:26:59,169 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-08 16:26:59,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:26:59,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-12-08 16:26:59,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:26:59,180 INFO L225 Difference]: With dead ends: 1153 [2018-12-08 16:26:59,180 INFO L226 Difference]: Without dead ends: 682 [2018-12-08 16:26:59,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:26:59,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-08 16:26:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-08 16:26:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-08 16:26:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-08 16:26:59,232 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 43 [2018-12-08 16:26:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:26:59,232 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-08 16:26:59,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:26:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-08 16:26:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 16:26:59,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:26:59,236 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] [2018-12-08 16:26:59,236 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:26:59,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:26:59,237 INFO L82 PathProgramCache]: Analyzing trace with hash 204114703, now seen corresponding path program 1 times [2018-12-08 16:26:59,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:26:59,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:26:59,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:26:59,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:26:59,238 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:26:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:26:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:26:59,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:26:59,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:26:59,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:26:59,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:26:59,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:26:59,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:26:59,354 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-08 16:27:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:00,701 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-08 16:27:00,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:27:00,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2018-12-08 16:27:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:00,708 INFO L225 Difference]: With dead ends: 2066 [2018-12-08 16:27:00,708 INFO L226 Difference]: Without dead ends: 1390 [2018-12-08 16:27:00,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:27:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-08 16:27:00,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-08 16:27:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-08 16:27:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-08 16:27:00,747 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 112 [2018-12-08 16:27:00,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:00,747 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-08 16:27:00,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:27:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-08 16:27:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 16:27:00,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:00,751 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] [2018-12-08 16:27:00,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:00,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:00,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1530346758, now seen corresponding path program 1 times [2018-12-08 16:27:00,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:00,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:00,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:00,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:00,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:27:00,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:00,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:27:00,891 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:00,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:27:00,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:27:00,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:27:00,891 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-08 16:27:02,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:02,838 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-08 16:27:02,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:27:02,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-08 16:27:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:02,848 INFO L225 Difference]: With dead ends: 3472 [2018-12-08 16:27:02,848 INFO L226 Difference]: Without dead ends: 2106 [2018-12-08 16:27:02,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:27:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-08 16:27:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-08 16:27:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-08 16:27:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-08 16:27:02,900 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 141 [2018-12-08 16:27:02,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:02,901 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-08 16:27:02,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:27:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-08 16:27:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 16:27:02,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:02,903 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] [2018-12-08 16:27:02,903 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:02,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:02,904 INFO L82 PathProgramCache]: Analyzing trace with hash 225402430, now seen corresponding path program 1 times [2018-12-08 16:27:02,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:02,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:02,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:02,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:02,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:27:02,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:27:02,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:27:02,981 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:02,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:27:02,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:27:02,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:27:02,982 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-08 16:27:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:04,068 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-08 16:27:04,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:27:04,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-12-08 16:27:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:04,075 INFO L225 Difference]: With dead ends: 5241 [2018-12-08 16:27:04,075 INFO L226 Difference]: Without dead ends: 3166 [2018-12-08 16:27:04,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:27:04,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-08 16:27:04,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-08 16:27:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-08 16:27:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-08 16:27:04,114 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 159 [2018-12-08 16:27:04,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:04,114 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-08 16:27:04,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:27:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-08 16:27:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 16:27:04,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:04,116 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] [2018-12-08 16:27:04,117 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:04,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:04,117 INFO L82 PathProgramCache]: Analyzing trace with hash -786182774, now seen corresponding path program 1 times [2018-12-08 16:27:04,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:04,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:04,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:04,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:04,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 102 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:27:04,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:27:04,206 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:27:04,207 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-12-08 16:27:04,208 INFO L205 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] [2018-12-08 16:27:04,243 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:27:04,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:27:04,477 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:27:04,478 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. [2018-12-08 16:27:04,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:04,482 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:27:04,723 INFO L227 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 77.77% of their original sizes. [2018-12-08 16:27:04,723 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:27:04,753 INFO L418 sIntCurrentIteration]: We unified 240 AI predicates to 240 [2018-12-08 16:27:04,754 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:27:04,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:27:04,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-08 16:27:04,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:04,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:27:04,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:27:04,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:27:04,755 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-08 16:27:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:27:22,192 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-08 16:27:22,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:27:22,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2018-12-08 16:27:22,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:27:22,199 INFO L225 Difference]: With dead ends: 6612 [2018-12-08 16:27:22,199 INFO L226 Difference]: Without dead ends: 3478 [2018-12-08 16:27:22,202 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 [2018-12-08 16:27:22,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-08 16:27:22,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-08 16:27:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-08 16:27:22,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-08 16:27:22,241 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 241 [2018-12-08 16:27:22,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:27:22,241 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-08 16:27:22,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:27:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-08 16:27:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 16:27:22,244 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:27:22,245 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] [2018-12-08 16:27:22,245 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:27:22,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:22,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1910184445, now seen corresponding path program 1 times [2018-12-08 16:27:22,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:27:22,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:22,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:27:22,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:27:22,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:27:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:27:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 178 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 16:27:22,413 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:27:22,413 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:27:22,413 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 333 with the following transitions: [2018-12-08 16:27:22,413 INFO L205 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] [2018-12-08 16:27:22,416 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:27:22,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:27:22,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:27:22,588 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. [2018-12-08 16:27:22,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:27:22,590 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:27:22,807 INFO L227 lantSequenceWeakener]: Weakened 329 states. On average, predicates are now at 80.37% of their original sizes. [2018-12-08 16:27:22,807 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:27:22,882 INFO L418 sIntCurrentIteration]: We unified 331 AI predicates to 331 [2018-12-08 16:27:22,882 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:27:22,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:27:22,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 16:27:22,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:27:22,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:27:22,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:27:22,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:27:22,883 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-08 16:28:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:18,951 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-08 16:28:18,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 16:28:18,952 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 332 [2018-12-08 16:28:18,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:18,961 INFO L225 Difference]: With dead ends: 7683 [2018-12-08 16:28:18,961 INFO L226 Difference]: Without dead ends: 4549 [2018-12-08 16:28:18,964 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 16:28:18,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-08 16:28:19,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-08 16:28:19,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-08 16:28:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-08 16:28:19,015 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 332 [2018-12-08 16:28:19,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:19,016 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-08 16:28:19,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:28:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-08 16:28:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-12-08 16:28:19,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:19,021 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] [2018-12-08 16:28:19,022 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:19,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:19,022 INFO L82 PathProgramCache]: Analyzing trace with hash -719011605, now seen corresponding path program 1 times [2018-12-08 16:28:19,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:19,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:19,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:19,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:19,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 210 proven. 35 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-08 16:28:19,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:19,183 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:28:19,184 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 481 with the following transitions: [2018-12-08 16:28:19,184 INFO L205 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] [2018-12-08 16:28:19,188 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:28:19,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:28:19,530 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:28:19,530 INFO L272 AbstractInterpreter]: Visited 249 different actions 745 times. Merged at 7 different actions 20 times. Never widened. Performed 8442 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 16:28:19,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:19,536 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:28:19,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:19,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:28:19,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:19,545 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:28:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:19,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:28:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-08 16:28:19,725 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:28:19,811 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-08 16:28:19,827 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:28:19,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-08 16:28:19,827 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:19,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:28:19,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:28:19,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:28:19,828 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-08 16:28:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:28:20,573 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-08 16:28:20,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:28:20,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 480 [2018-12-08 16:28:20,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:28:20,581 INFO L225 Difference]: With dead ends: 8693 [2018-12-08 16:28:20,582 INFO L226 Difference]: Without dead ends: 4518 [2018-12-08 16:28:20,586 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 [2018-12-08 16:28:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-08 16:28:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-08 16:28:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-08 16:28:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-08 16:28:20,630 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 480 [2018-12-08 16:28:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:28:20,631 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-08 16:28:20,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:28:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-08 16:28:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2018-12-08 16:28:20,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:28:20,637 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] [2018-12-08 16:28:20,637 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:28:20,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:20,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1341487390, now seen corresponding path program 1 times [2018-12-08 16:28:20,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:28:20,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:20,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:28:20,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:28:20,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:28:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:28:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 98 proven. 193 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:28:21,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:28:21,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:28:21,061 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 506 with the following transitions: [2018-12-08 16:28:21,061 INFO L205 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] [2018-12-08 16:28:21,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:28:21,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:28:21,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:28:21,290 INFO L272 AbstractInterpreter]: Visited 247 different actions 738 times. Merged at 6 different actions 17 times. Never widened. Performed 8313 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8313 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 16:28:21,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:28:21,291 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:28:21,545 INFO L227 lantSequenceWeakener]: Weakened 502 states. On average, predicates are now at 80.23% of their original sizes. [2018-12-08 16:28:21,546 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:28:21,584 INFO L418 sIntCurrentIteration]: We unified 504 AI predicates to 504 [2018-12-08 16:28:21,584 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:28:21,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:28:21,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-08 16:28:21,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:28:21,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:28:21,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:28:21,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:28:21,586 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 9 states. [2018-12-08 16:29:43,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:29:43,954 INFO L93 Difference]: Finished difference Result 5892 states and 7034 transitions. [2018-12-08 16:29:43,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:29:43,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 505 [2018-12-08 16:29:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:29:43,962 INFO L225 Difference]: With dead ends: 5892 [2018-12-08 16:29:43,963 INFO L226 Difference]: Without dead ends: 5890 [2018-12-08 16:29:43,964 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 511 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 16:29:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-08 16:29:44,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-08 16:29:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-08 16:29:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 7021 transitions. [2018-12-08 16:29:44,020 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 7021 transitions. Word has length 505 [2018-12-08 16:29:44,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:29:44,021 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 7021 transitions. [2018-12-08 16:29:44,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:29:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 7021 transitions. [2018-12-08 16:29:44,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2018-12-08 16:29:44,031 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:29:44,031 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] [2018-12-08 16:29:44,031 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:29:44,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:44,032 INFO L82 PathProgramCache]: Analyzing trace with hash 200437379, now seen corresponding path program 1 times [2018-12-08 16:29:44,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:29:44,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:44,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:29:44,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:44,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:29:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 383 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-08 16:29:44,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:29:44,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:29:44,288 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 643 with the following transitions: [2018-12-08 16:29:44,288 INFO L205 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] [2018-12-08 16:29:44,291 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:29:44,291 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:29:44,728 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:29:44,728 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. [2018-12-08 16:29:44,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:44,731 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:29:44,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:29:44,731 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:29:44,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:29:44,736 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:29:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:44,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:29:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 685 proven. 2 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:29:44,941 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:29:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 383 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-08 16:29:45,129 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:29:45,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 16:29:45,130 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:29:45,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:29:45,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:29:45,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:29:45,131 INFO L87 Difference]: Start difference. First operand 5879 states and 7021 transitions. Second operand 9 states. [2018-12-08 16:29:47,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:29:47,364 INFO L93 Difference]: Finished difference Result 13972 states and 17412 transitions. [2018-12-08 16:29:47,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:29:47,364 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 642 [2018-12-08 16:29:47,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:29:47,379 INFO L225 Difference]: With dead ends: 13972 [2018-12-08 16:29:47,379 INFO L226 Difference]: Without dead ends: 8436 [2018-12-08 16:29:47,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1305 GetRequests, 1287 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:29:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-08 16:29:47,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-08 16:29:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-08 16:29:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10171 transitions. [2018-12-08 16:29:47,473 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10171 transitions. Word has length 642 [2018-12-08 16:29:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:29:47,474 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10171 transitions. [2018-12-08 16:29:47,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:29:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10171 transitions. [2018-12-08 16:29:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-12-08 16:29:47,492 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:29:47,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:29:47,492 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:29:47,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:47,492 INFO L82 PathProgramCache]: Analyzing trace with hash -723143233, now seen corresponding path program 1 times [2018-12-08 16:29:47,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:29:47,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:47,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:29:47,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:29:47,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:29:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:29:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 429 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-08 16:29:48,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:29:48,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:29:48,738 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 887 with the following transitions: [2018-12-08 16:29:48,738 INFO L205 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], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 16:29:48,740 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:29:48,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:29:48,885 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:29:48,885 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5483 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5483 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 16:29:48,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:29:48,886 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:29:49,277 INFO L227 lantSequenceWeakener]: Weakened 883 states. On average, predicates are now at 77.45% of their original sizes. [2018-12-08 16:29:49,277 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:29:49,319 INFO L418 sIntCurrentIteration]: We unified 885 AI predicates to 885 [2018-12-08 16:29:49,319 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:29:49,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:29:49,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-08 16:29:49,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:29:49,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:29:49,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:29:49,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:29:49,320 INFO L87 Difference]: Start difference. First operand 8412 states and 10171 transitions. Second operand 10 states. [2018-12-08 16:30:45,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:30:45,296 INFO L93 Difference]: Finished difference Result 16822 states and 20382 transitions. [2018-12-08 16:30:45,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 16:30:45,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 886 [2018-12-08 16:30:45,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:30:45,309 INFO L225 Difference]: With dead ends: 16822 [2018-12-08 16:30:45,309 INFO L226 Difference]: Without dead ends: 8753 [2018-12-08 16:30:45,318 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 893 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 16:30:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2018-12-08 16:30:45,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 8751. [2018-12-08 16:30:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8751 states. [2018-12-08 16:30:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8751 states to 8751 states and 10527 transitions. [2018-12-08 16:30:45,400 INFO L78 Accepts]: Start accepts. Automaton has 8751 states and 10527 transitions. Word has length 886 [2018-12-08 16:30:45,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:30:45,400 INFO L480 AbstractCegarLoop]: Abstraction has 8751 states and 10527 transitions. [2018-12-08 16:30:45,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:30:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 8751 states and 10527 transitions. [2018-12-08 16:30:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2018-12-08 16:30:45,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:30:45,409 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] [2018-12-08 16:30:45,410 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:30:45,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:30:45,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1038674097, now seen corresponding path program 1 times [2018-12-08 16:30:45,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:30:45,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:30:45,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:30:45,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:30:45,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:30:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:30:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 645 proven. 35 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-12-08 16:30:45,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:30:45,802 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:30:45,802 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 895 with the following transitions: [2018-12-08 16:30:45,802 INFO L205 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] [2018-12-08 16:30:45,805 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:30:45,805 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:30:46,032 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:30:46,032 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. [2018-12-08 16:30:46,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:30:46,034 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:30:46,441 INFO L227 lantSequenceWeakener]: Weakened 891 states. On average, predicates are now at 80.15% of their original sizes. [2018-12-08 16:30:46,441 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:30:46,473 INFO L418 sIntCurrentIteration]: We unified 893 AI predicates to 893 [2018-12-08 16:30:46,473 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:30:46,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:30:46,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-08 16:30:46,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:30:46,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:30:46,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:30:46,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:30:46,474 INFO L87 Difference]: Start difference. First operand 8751 states and 10527 transitions. Second operand 9 states. [2018-12-08 16:32:21,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:21,146 INFO L93 Difference]: Finished difference Result 16829 states and 20358 transitions. [2018-12-08 16:32:21,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 16:32:21,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 894 [2018-12-08 16:32:21,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:21,168 INFO L225 Difference]: With dead ends: 16829 [2018-12-08 16:32:21,168 INFO L226 Difference]: Without dead ends: 8760 [2018-12-08 16:32:21,177 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 [2018-12-08 16:32:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2018-12-08 16:32:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8753. [2018-12-08 16:32:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8753 states. [2018-12-08 16:32:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8753 states to 8753 states and 10522 transitions. [2018-12-08 16:32:21,253 INFO L78 Accepts]: Start accepts. Automaton has 8753 states and 10522 transitions. Word has length 894 [2018-12-08 16:32:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:21,254 INFO L480 AbstractCegarLoop]: Abstraction has 8753 states and 10522 transitions. [2018-12-08 16:32:21,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:32:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8753 states and 10522 transitions. [2018-12-08 16:32:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2018-12-08 16:32:21,262 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:21,262 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:32:21,262 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:21,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:21,263 INFO L82 PathProgramCache]: Analyzing trace with hash -984690458, now seen corresponding path program 1 times [2018-12-08 16:32:21,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:21,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:21,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:21,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:21,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1878 backedges. 321 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-08 16:32:22,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:22,377 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:32:22,377 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 978 with the following transitions: [2018-12-08 16:32:22,377 INFO L205 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], [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], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 16:32:22,379 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:32:22,379 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:32:22,798 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:32:22,798 INFO L272 AbstractInterpreter]: Visited 262 different actions 1313 times. Merged at 10 different actions 46 times. Widened at 1 different actions 1 times. Performed 16007 root evaluator evaluations with a maximum evaluation depth of 9. Performed 16007 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-08 16:32:22,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:22,800 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:32:22,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:22,800 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:32:22,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:22,806 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:32:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:22,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1878 backedges. 1093 proven. 2 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2018-12-08 16:32:23,264 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:32:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1878 backedges. 321 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-08 16:32:23,701 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:32:23,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-08 16:32:23,701 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:32:23,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 16:32:23,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 16:32:23,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-08 16:32:23,702 INFO L87 Difference]: Start difference. First operand 8753 states and 10522 transitions. Second operand 15 states. [2018-12-08 16:32:27,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:27,609 INFO L93 Difference]: Finished difference Result 21872 states and 27192 transitions. [2018-12-08 16:32:27,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-08 16:32:27,610 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 977 [2018-12-08 16:32:27,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:27,643 INFO L225 Difference]: With dead ends: 21872 [2018-12-08 16:32:27,643 INFO L226 Difference]: Without dead ends: 11821 [2018-12-08 16:32:27,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2026 GetRequests, 1974 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 16:32:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11821 states. [2018-12-08 16:32:27,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11821 to 11749. [2018-12-08 16:32:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11749 states. [2018-12-08 16:32:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11749 states to 11749 states and 12848 transitions. [2018-12-08 16:32:27,767 INFO L78 Accepts]: Start accepts. Automaton has 11749 states and 12848 transitions. Word has length 977 [2018-12-08 16:32:27,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:27,767 INFO L480 AbstractCegarLoop]: Abstraction has 11749 states and 12848 transitions. [2018-12-08 16:32:27,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 16:32:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 11749 states and 12848 transitions. [2018-12-08 16:32:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1354 [2018-12-08 16:32:27,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:27,784 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 16:32:27,784 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:27,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1721725234, now seen corresponding path program 1 times [2018-12-08 16:32:27,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:27,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:27,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:27,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:27,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 1323 proven. 35 refuted. 0 times theorem prover too weak. 2403 trivial. 0 not checked. [2018-12-08 16:32:28,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:28,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:32:28,527 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1354 with the following transitions: [2018-12-08 16:32:28,527 INFO L205 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], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 16:32:28,529 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:32:28,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:32:28,985 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:32:28,985 INFO L272 AbstractInterpreter]: Visited 269 different actions 1080 times. Merged at 11 different actions 36 times. Never widened. Performed 12832 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-08 16:32:28,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:28,987 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:32:28,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:28,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:32:28,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:28,993 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:32:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:29,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-08 16:32:29,633 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:32:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-12-08 16:32:30,100 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:32:30,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-12-08 16:32:30,100 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:32:30,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:32:30,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:32:30,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:32:30,101 INFO L87 Difference]: Start difference. First operand 11749 states and 12848 transitions. Second operand 3 states. [2018-12-08 16:32:30,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:30,672 INFO L93 Difference]: Finished difference Result 22508 states and 24955 transitions. [2018-12-08 16:32:30,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:32:30,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1353 [2018-12-08 16:32:30,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:30,688 INFO L225 Difference]: With dead ends: 22508 [2018-12-08 16:32:30,689 INFO L226 Difference]: Without dead ends: 11400 [2018-12-08 16:32:30,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2712 GetRequests, 2706 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:32:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11400 states. [2018-12-08 16:32:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11400 to 11400. [2018-12-08 16:32:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11400 states. [2018-12-08 16:32:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11400 states to 11400 states and 12431 transitions. [2018-12-08 16:32:30,799 INFO L78 Accepts]: Start accepts. Automaton has 11400 states and 12431 transitions. Word has length 1353 [2018-12-08 16:32:30,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:30,800 INFO L480 AbstractCegarLoop]: Abstraction has 11400 states and 12431 transitions. [2018-12-08 16:32:30,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:32:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 11400 states and 12431 transitions. [2018-12-08 16:32:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1395 [2018-12-08 16:32:30,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:30,816 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 16:32:30,816 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:30,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash 186440023, now seen corresponding path program 1 times [2018-12-08 16:32:30,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:30,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:30,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:30,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:30,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 1327 proven. 35 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-08 16:32:31,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:31,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:32:31,935 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1395 with the following transitions: [2018-12-08 16:32:31,936 INFO L205 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], [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], [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] [2018-12-08 16:32:31,938 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:32:31,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:32:32,461 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:32:32,461 INFO L272 AbstractInterpreter]: Visited 310 different actions 1240 times. Merged at 11 different actions 41 times. Widened at 1 different actions 1 times. Performed 15028 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15028 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-08 16:32:32,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:32,463 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:32:32,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:32,463 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:32:32,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:32,469 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:32:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:32,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 2556 proven. 6 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2018-12-08 16:32:33,308 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:32:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3761 backedges. 1453 proven. 360 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2018-12-08 16:32:34,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:32:34,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 21 [2018-12-08 16:32:34,607 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:32:34,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 16:32:34,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 16:32:34,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2018-12-08 16:32:34,608 INFO L87 Difference]: Start difference. First operand 11400 states and 12431 transitions. Second operand 16 states. [2018-12-08 16:32:43,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:43,395 INFO L93 Difference]: Finished difference Result 31388 states and 34736 transitions. [2018-12-08 16:32:43,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-08 16:32:43,396 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1394 [2018-12-08 16:32:43,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:43,423 INFO L225 Difference]: With dead ends: 31388 [2018-12-08 16:32:43,423 INFO L226 Difference]: Without dead ends: 20670 [2018-12-08 16:32:43,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2877 GetRequests, 2814 SyntacticMatches, 4 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=645, Invalid=3015, Unknown=0, NotChecked=0, Total=3660 [2018-12-08 16:32:43,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20670 states. [2018-12-08 16:32:43,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20670 to 20313. [2018-12-08 16:32:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20313 states. [2018-12-08 16:32:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20313 states to 20313 states and 21970 transitions. [2018-12-08 16:32:43,624 INFO L78 Accepts]: Start accepts. Automaton has 20313 states and 21970 transitions. Word has length 1394 [2018-12-08 16:32:43,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:43,625 INFO L480 AbstractCegarLoop]: Abstraction has 20313 states and 21970 transitions. [2018-12-08 16:32:43,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 16:32:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 20313 states and 21970 transitions. [2018-12-08 16:32:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2018-12-08 16:32:43,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:43,648 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] [2018-12-08 16:32:43,648 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:43,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:43,648 INFO L82 PathProgramCache]: Analyzing trace with hash -729223494, now seen corresponding path program 1 times [2018-12-08 16:32:43,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:43,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:43,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:43,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:43,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4880 backedges. 1129 proven. 531 refuted. 0 times theorem prover too weak. 3220 trivial. 0 not checked. [2018-12-08 16:32:45,373 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:45,373 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:32:45,373 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1638 with the following transitions: [2018-12-08 16:32:45,373 INFO L205 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] [2018-12-08 16:32:45,375 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:32:45,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:32:46,132 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:32:46,132 INFO L272 AbstractInterpreter]: Visited 288 different actions 1151 times. Merged at 10 different actions 31 times. Never widened. Performed 13851 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13851 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-08 16:32:46,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:46,135 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:32:46,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:46,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:32:46,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:46,141 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:32:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:46,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4880 backedges. 3379 proven. 2 refuted. 0 times theorem prover too weak. 1499 trivial. 0 not checked. [2018-12-08 16:32:47,313 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:32:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4880 backedges. 1129 proven. 531 refuted. 0 times theorem prover too weak. 3220 trivial. 0 not checked. [2018-12-08 16:32:49,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:32:49,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-08 16:32:49,594 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:32:49,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:32:49,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:32:49,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:32:49,596 INFO L87 Difference]: Start difference. First operand 20313 states and 21970 transitions. Second operand 11 states. [2018-12-08 16:32:53,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:53,298 INFO L93 Difference]: Finished difference Result 38230 states and 42179 transitions. [2018-12-08 16:32:53,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-08 16:32:53,299 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1637 [2018-12-08 16:32:53,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:53,329 INFO L225 Difference]: With dead ends: 38230 [2018-12-08 16:32:53,329 INFO L226 Difference]: Without dead ends: 21295 [2018-12-08 16:32:53,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3317 GetRequests, 3286 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-12-08 16:32:53,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21295 states. [2018-12-08 16:32:53,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21295 to 20313. [2018-12-08 16:32:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20313 states. [2018-12-08 16:32:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20313 states to 20313 states and 21902 transitions. [2018-12-08 16:32:53,546 INFO L78 Accepts]: Start accepts. Automaton has 20313 states and 21902 transitions. Word has length 1637 [2018-12-08 16:32:53,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:53,547 INFO L480 AbstractCegarLoop]: Abstraction has 20313 states and 21902 transitions. [2018-12-08 16:32:53,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:32:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 20313 states and 21902 transitions. [2018-12-08 16:32:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1877 [2018-12-08 16:32:53,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:53,571 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] [2018-12-08 16:32:53,571 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:53,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:53,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1542403265, now seen corresponding path program 1 times [2018-12-08 16:32:53,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:53,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:53,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:53,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:53,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6675 backedges. 861 proven. 567 refuted. 0 times theorem prover too weak. 5247 trivial. 0 not checked. [2018-12-08 16:32:54,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:54,689 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:32:54,689 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1877 with the following transitions: [2018-12-08 16:32:54,689 INFO L205 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] [2018-12-08 16:32:54,691 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:32:54,691 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:32:55,435 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:32:55,435 INFO L272 AbstractInterpreter]: Visited 290 different actions 1167 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 14105 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 16:32:55,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:55,438 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:32:55,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:32:55,438 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:32:55,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:55,445 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:32:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:32:55,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:32:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6675 backedges. 4096 proven. 2 refuted. 0 times theorem prover too weak. 2577 trivial. 0 not checked. [2018-12-08 16:32:56,471 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:32:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6675 backedges. 861 proven. 567 refuted. 0 times theorem prover too weak. 5247 trivial. 0 not checked. [2018-12-08 16:32:57,445 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:32:57,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 16:32:57,445 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:32:57,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:32:57,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:32:57,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:32:57,447 INFO L87 Difference]: Start difference. First operand 20313 states and 21902 transitions. Second operand 9 states. [2018-12-08 16:32:59,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:32:59,333 INFO L93 Difference]: Finished difference Result 39425 states and 42095 transitions. [2018-12-08 16:32:59,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:32:59,334 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1876 [2018-12-08 16:32:59,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:32:59,354 INFO L225 Difference]: With dead ends: 39425 [2018-12-08 16:32:59,354 INFO L226 Difference]: Without dead ends: 19794 [2018-12-08 16:32:59,373 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 [2018-12-08 16:32:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19794 states. [2018-12-08 16:32:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19794 to 16061. [2018-12-08 16:32:59,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16061 states. [2018-12-08 16:32:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16061 states to 16061 states and 16794 transitions. [2018-12-08 16:32:59,512 INFO L78 Accepts]: Start accepts. Automaton has 16061 states and 16794 transitions. Word has length 1876 [2018-12-08 16:32:59,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:32:59,513 INFO L480 AbstractCegarLoop]: Abstraction has 16061 states and 16794 transitions. [2018-12-08 16:32:59,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:32:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 16061 states and 16794 transitions. [2018-12-08 16:32:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1878 [2018-12-08 16:32:59,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:32:59,561 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] [2018-12-08 16:32:59,561 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:32:59,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:59,561 INFO L82 PathProgramCache]: Analyzing trace with hash -953580414, now seen corresponding path program 1 times [2018-12-08 16:32:59,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:32:59,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:59,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:32:59,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:32:59,562 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:32:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6684 backedges. 2764 proven. 1321 refuted. 0 times theorem prover too weak. 2599 trivial. 0 not checked. [2018-12-08 16:33:02,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:33:02,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:33:02,599 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1878 with the following transitions: [2018-12-08 16:33:02,599 INFO L205 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] [2018-12-08 16:33:02,601 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:33:02,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:33:03,382 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:33:03,382 INFO L272 AbstractInterpreter]: Visited 290 different actions 1171 times. Merged at 11 different actions 43 times. Widened at 1 different actions 1 times. Performed 14086 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14086 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 16:33:03,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:03,384 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:33:03,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:33:03,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:33:03,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:03,390 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:33:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:03,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:33:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6684 backedges. 3602 proven. 2 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2018-12-08 16:33:04,472 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:33:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6684 backedges. 1712 proven. 279 refuted. 0 times theorem prover too weak. 4693 trivial. 0 not checked. [2018-12-08 16:33:05,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:33:05,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-12-08 16:33:05,957 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:33:05,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 16:33:05,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 16:33:05,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:33:05,958 INFO L87 Difference]: Start difference. First operand 16061 states and 16794 transitions. Second operand 18 states. [2018-12-08 16:33:11,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:33:11,777 INFO L93 Difference]: Finished difference Result 31882 states and 33507 transitions. [2018-12-08 16:33:11,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-12-08 16:33:11,777 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1877 [2018-12-08 16:33:11,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:33:11,795 INFO L225 Difference]: With dead ends: 31882 [2018-12-08 16:33:11,795 INFO L226 Difference]: Without dead ends: 16503 [2018-12-08 16:33:11,807 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 [2018-12-08 16:33:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16503 states. [2018-12-08 16:33:11,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16503 to 16068. [2018-12-08 16:33:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16068 states. [2018-12-08 16:33:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16068 states to 16068 states and 16653 transitions. [2018-12-08 16:33:11,943 INFO L78 Accepts]: Start accepts. Automaton has 16068 states and 16653 transitions. Word has length 1877 [2018-12-08 16:33:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:33:11,944 INFO L480 AbstractCegarLoop]: Abstraction has 16068 states and 16653 transitions. [2018-12-08 16:33:11,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 16:33:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 16068 states and 16653 transitions. [2018-12-08 16:33:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1949 [2018-12-08 16:33:11,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:33:11,964 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] [2018-12-08 16:33:11,964 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:33:11,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:11,964 INFO L82 PathProgramCache]: Analyzing trace with hash 716142179, now seen corresponding path program 1 times [2018-12-08 16:33:11,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:33:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:33:11,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:11,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:33:11,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:33:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 1159 proven. 4810 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2018-12-08 16:33:17,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:33:17,881 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:33:17,881 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1949 with the following transitions: [2018-12-08 16:33:17,881 INFO L205 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] [2018-12-08 16:33:17,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:33:17,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:33:18,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:33:18,741 INFO L272 AbstractInterpreter]: Visited 291 different actions 1171 times. Merged at 12 different actions 39 times. Widened at 1 different actions 1 times. Performed 14148 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14148 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-08 16:33:18,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:18,742 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:33:18,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:33:18,742 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:33:18,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:18,748 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:33:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:18,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:33:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 4455 proven. 2 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2018-12-08 16:33:19,980 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:33:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 914 proven. 636 refuted. 0 times theorem prover too weak. 5879 trivial. 0 not checked. [2018-12-08 16:33:21,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:33:21,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-12-08 16:33:21,417 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:33:21,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-08 16:33:21,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-08 16:33:21,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-12-08 16:33:21,419 INFO L87 Difference]: Start difference. First operand 16068 states and 16653 transitions. Second operand 28 states. [2018-12-08 16:33:36,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:33:36,082 INFO L93 Difference]: Finished difference Result 35955 states and 37474 transitions. [2018-12-08 16:33:36,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-12-08 16:33:36,082 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1948 [2018-12-08 16:33:36,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:33:36,102 INFO L225 Difference]: With dead ends: 35955 [2018-12-08 16:33:36,103 INFO L226 Difference]: Without dead ends: 20569 [2018-12-08 16:33:36,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4048 GetRequests, 3949 SyntacticMatches, 6 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2897 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1350, Invalid=7580, Unknown=0, NotChecked=0, Total=8930 [2018-12-08 16:33:36,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20569 states. [2018-12-08 16:33:36,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20569 to 19492. [2018-12-08 16:33:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19492 states. [2018-12-08 16:33:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19492 states to 19492 states and 20176 transitions. [2018-12-08 16:33:36,277 INFO L78 Accepts]: Start accepts. Automaton has 19492 states and 20176 transitions. Word has length 1948 [2018-12-08 16:33:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:33:36,277 INFO L480 AbstractCegarLoop]: Abstraction has 19492 states and 20176 transitions. [2018-12-08 16:33:36,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-08 16:33:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 19492 states and 20176 transitions. [2018-12-08 16:33:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1982 [2018-12-08 16:33:36,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:33:36,299 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] [2018-12-08 16:33:36,299 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:33:36,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1789347998, now seen corresponding path program 1 times [2018-12-08 16:33:36,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:33:36,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:33:36,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:36,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:33:36,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:33:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 1263 proven. 5200 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2018-12-08 16:33:42,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:33:42,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:33:42,267 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1982 with the following transitions: [2018-12-08 16:33:42,267 INFO L205 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] [2018-12-08 16:33:42,269 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:33:42,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:33:43,107 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:33:43,107 INFO L272 AbstractInterpreter]: Visited 291 different actions 1163 times. Merged at 12 different actions 31 times. Never widened. Performed 14039 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14039 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-08 16:33:43,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:43,109 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:33:43,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:33:43,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:33:43,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:33:43,115 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:33:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:43,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:33:45,884 WARN L180 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 398 DAG size of output: 25 [2018-12-08 16:33:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 1470 proven. 35 refuted. 0 times theorem prover too weak. 6296 trivial. 0 not checked. [2018-12-08 16:33:47,192 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:33:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 1503 proven. 2 refuted. 0 times theorem prover too weak. 6296 trivial. 0 not checked. [2018-12-08 16:33:48,422 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:33:48,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 33 [2018-12-08 16:33:48,423 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:33:48,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-12-08 16:33:48,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-12-08 16:33:48,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2018-12-08 16:33:48,424 INFO L87 Difference]: Start difference. First operand 19492 states and 20176 transitions. Second operand 29 states. [2018-12-08 16:34:16,215 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-12-08 16:34:33,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:34:33,348 INFO L93 Difference]: Finished difference Result 42410 states and 44060 transitions. [2018-12-08 16:34:33,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-12-08 16:34:33,349 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1981 [2018-12-08 16:34:33,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:34:33,368 INFO L225 Difference]: With dead ends: 42410 [2018-12-08 16:34:33,368 INFO L226 Difference]: Without dead ends: 24296 [2018-12-08 16:34:33,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4114 GetRequests, 4013 SyntacticMatches, 5 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3062 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=1448, Invalid=8058, Unknown=0, NotChecked=0, Total=9506 [2018-12-08 16:34:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24296 states. [2018-12-08 16:34:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24296 to 21871. [2018-12-08 16:34:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21871 states. [2018-12-08 16:34:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 22680 transitions. [2018-12-08 16:34:33,559 INFO L78 Accepts]: Start accepts. Automaton has 21871 states and 22680 transitions. Word has length 1981 [2018-12-08 16:34:33,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:34:33,560 INFO L480 AbstractCegarLoop]: Abstraction has 21871 states and 22680 transitions. [2018-12-08 16:34:33,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-12-08 16:34:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 21871 states and 22680 transitions. [2018-12-08 16:34:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2093 [2018-12-08 16:34:33,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:34:33,583 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] [2018-12-08 16:34:33,583 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:34:33,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:34:33,583 INFO L82 PathProgramCache]: Analyzing trace with hash 961791207, now seen corresponding path program 1 times [2018-12-08 16:34:33,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:34:33,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:34:33,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:34:33,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:34:33,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:34:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8907 backedges. 1924 proven. 5211 refuted. 0 times theorem prover too weak. 1772 trivial. 0 not checked. [2018-12-08 16:34:40,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:34:40,256 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:34:40,256 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2093 with the following transitions: [2018-12-08 16:34:40,256 INFO L205 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] [2018-12-08 16:34:40,259 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:34:40,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:34:41,125 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:34:41,125 INFO L272 AbstractInterpreter]: Visited 292 different actions 1466 times. Merged at 12 different actions 49 times. Widened at 1 different actions 1 times. Performed 18284 root evaluator evaluations with a maximum evaluation depth of 22. Performed 18284 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 20 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-08 16:34:41,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:34:41,128 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:34:41,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:34:41,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:34:41,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:34:41,134 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:34:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:41,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:34:42,032 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_~a18~0_1237 Int)) (let ((.cse0 (mod v_~a18~0_1237 299922))) (and (= 0 .cse0) (<= .cse0 (+ c_~a18~0 300079))))) (exists ((v_prenex_54 Int)) (let ((.cse1 (mod v_prenex_54 299922))) (and (not (= 0 .cse1)) (< v_prenex_54 0) (<= .cse1 (+ c_~a18~0 600001))))) (exists ((v_prenex_53 Int)) (and (<= 0 v_prenex_53) (<= (mod v_prenex_53 299922) (+ c_~a18~0 300079))))) is different from true [2018-12-08 16:34:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8907 backedges. 1605 proven. 33 refuted. 0 times theorem prover too weak. 7263 trivial. 6 not checked. [2018-12-08 16:34:43,287 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:34:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8907 backedges. 1642 proven. 2 refuted. 0 times theorem prover too weak. 7263 trivial. 0 not checked. [2018-12-08 16:34:44,657 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:34:44,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 6, 6] total 40 [2018-12-08 16:34:44,658 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:34:44,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-12-08 16:34:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-12-08 16:34:44,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1296, Unknown=1, NotChecked=74, Total=1560 [2018-12-08 16:34:44,659 INFO L87 Difference]: Start difference. First operand 21871 states and 22680 transitions. Second operand 38 states. [2018-12-08 16:34:51,816 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-12-08 16:34:59,035 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2018-12-08 16:35:12,861 WARN L180 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 100 DAG size of output: 50 [2018-12-08 16:35:15,978 WARN L180 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 35 DAG size of output: 17 [2018-12-08 16:35:22,643 WARN L180 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2018-12-08 16:35:34,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:35:34,615 INFO L93 Difference]: Finished difference Result 48792 states and 51155 transitions. [2018-12-08 16:35:34,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-12-08 16:35:34,615 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 2092 [2018-12-08 16:35:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:35:34,660 INFO L225 Difference]: With dead ends: 48792 [2018-12-08 16:35:34,660 INFO L226 Difference]: Without dead ends: 27944 [2018-12-08 16:35:34,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4437 GetRequests, 4268 SyntacticMatches, 7 SemanticMatches, 162 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9044 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=3441, Invalid=22954, Unknown=15, NotChecked=322, Total=26732 [2018-12-08 16:35:34,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27944 states. [2018-12-08 16:35:34,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27944 to 25977. [2018-12-08 16:35:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25977 states. [2018-12-08 16:35:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25977 states to 25977 states and 26814 transitions. [2018-12-08 16:35:34,953 INFO L78 Accepts]: Start accepts. Automaton has 25977 states and 26814 transitions. Word has length 2092 [2018-12-08 16:35:34,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:35:34,955 INFO L480 AbstractCegarLoop]: Abstraction has 25977 states and 26814 transitions. [2018-12-08 16:35:34,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-12-08 16:35:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 25977 states and 26814 transitions. [2018-12-08 16:35:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2528 [2018-12-08 16:35:34,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:35:34,990 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] [2018-12-08 16:35:34,991 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:35:34,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:35:34,991 INFO L82 PathProgramCache]: Analyzing trace with hash -606020989, now seen corresponding path program 1 times [2018-12-08 16:35:34,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:35:34,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:35:34,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:35:34,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:35:34,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:35:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 11539 backedges. 4128 proven. 2509 refuted. 0 times theorem prover too weak. 4902 trivial. 0 not checked. [2018-12-08 16:35:40,009 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:35:40,009 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:35:40,010 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2528 with the following transitions: [2018-12-08 16:35:40,010 INFO L205 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] [2018-12-08 16:35:40,012 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:35:40,012 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:35:41,028 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:35:41,028 INFO L272 AbstractInterpreter]: Visited 342 different actions 1701 times. Merged at 14 different actions 46 times. Never widened. Performed 21652 root evaluator evaluations with a maximum evaluation depth of 22. Performed 21652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 21 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-08 16:35:41,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:35:41,030 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:35:41,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:35:41,030 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/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 [2018-12-08 16:35:41,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:35:41,036 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:35:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:41,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:35:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11539 backedges. 2657 proven. 5 refuted. 0 times theorem prover too weak. 8877 trivial. 0 not checked. [2018-12-08 16:35:44,355 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:35:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 11539 backedges. 2657 proven. 5 refuted. 0 times theorem prover too weak. 8877 trivial. 0 not checked. [2018-12-08 16:35:48,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:35:48,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 23 [2018-12-08 16:35:48,162 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:35:48,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 16:35:48,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 16:35:48,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2018-12-08 16:35:48,164 INFO L87 Difference]: Start difference. First operand 25977 states and 26814 transitions. Second operand 20 states. [2018-12-08 16:35:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:35:54,731 INFO L93 Difference]: Finished difference Result 49934 states and 51563 transitions. [2018-12-08 16:35:54,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-12-08 16:35:54,732 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 2527 [2018-12-08 16:35:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:35:54,761 INFO L225 Difference]: With dead ends: 49934 [2018-12-08 16:35:54,762 INFO L226 Difference]: Without dead ends: 25670 [2018-12-08 16:35:54,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5148 GetRequests, 5078 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=785, Invalid=3505, Unknown=0, NotChecked=0, Total=4290 [2018-12-08 16:35:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25670 states. [2018-12-08 16:35:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25670 to 25640. [2018-12-08 16:35:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25640 states. [2018-12-08 16:35:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25640 states to 25640 states and 26399 transitions. [2018-12-08 16:35:55,025 INFO L78 Accepts]: Start accepts. Automaton has 25640 states and 26399 transitions. Word has length 2527 [2018-12-08 16:35:55,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:35:55,026 INFO L480 AbstractCegarLoop]: Abstraction has 25640 states and 26399 transitions. [2018-12-08 16:35:55,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 16:35:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 25640 states and 26399 transitions. [2018-12-08 16:35:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2645 [2018-12-08 16:35:55,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:35:55,065 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] [2018-12-08 16:35:55,065 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:35:55,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:35:55,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2063304485, now seen corresponding path program 1 times [2018-12-08 16:35:55,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:35:55,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:35:55,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:35:55,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:35:55,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:35:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13538 backedges. 3788 proven. 4950 refuted. 0 times theorem prover too weak. 4800 trivial. 0 not checked. [2018-12-08 16:36:00,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:36:00,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:36:00,511 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2645 with the following transitions: [2018-12-08 16:36:00,511 INFO L205 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] [2018-12-08 16:36:00,513 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:36:00,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:36:01,509 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:36:01,509 INFO L272 AbstractInterpreter]: Visited 316 different actions 1572 times. Merged at 13 different actions 47 times. Never widened. Performed 19678 root evaluator evaluations with a maximum evaluation depth of 22. Performed 19678 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 22 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-08 16:36:01,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:01,511 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:36:01,511 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:36:01,511 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:36:01,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:01,517 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:36:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:01,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:36:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 13538 backedges. 2844 proven. 2 refuted. 0 times theorem prover too weak. 10692 trivial. 0 not checked. [2018-12-08 16:36:03,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:36:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 13538 backedges. 2844 proven. 2 refuted. 0 times theorem prover too weak. 10692 trivial. 0 not checked. [2018-12-08 16:36:06,416 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:36:06,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 19 [2018-12-08 16:36:06,417 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:36:06,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 16:36:06,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 16:36:06,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:36:06,419 INFO L87 Difference]: Start difference. First operand 25640 states and 26399 transitions. Second operand 18 states. [2018-12-08 16:36:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:16,335 INFO L93 Difference]: Finished difference Result 51952 states and 53507 transitions. [2018-12-08 16:36:16,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-12-08 16:36:16,335 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2644 [2018-12-08 16:36:16,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:16,337 INFO L225 Difference]: With dead ends: 51952 [2018-12-08 16:36:16,337 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:36:16,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5414 GetRequests, 5334 SyntacticMatches, 12 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1509 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=835, Invalid=3995, Unknown=0, NotChecked=0, Total=4830 [2018-12-08 16:36:16,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:36:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:36:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:36:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:36:16,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2644 [2018-12-08 16:36:16,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:16,369 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:36:16,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 16:36:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:36:16,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:36:16,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:36:16,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:16,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:16,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:16,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:16,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:16,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,372 WARN L180 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 803 DAG size of output: 737 [2018-12-08 16:36:17,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:17,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:36:18,930 WARN L180 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 775 [2018-12-08 16:36:30,849 WARN L180 SmtUtils]: Spent 11.87 s on a formula simplification. DAG size of input: 741 DAG size of output: 162 [2018-12-08 16:36:35,203 WARN L180 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 593 DAG size of output: 163 [2018-12-08 16:36:39,526 WARN L180 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 616 DAG size of output: 149 [2018-12-08 16:36:44,852 WARN L180 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 675 DAG size of output: 204 [2018-12-08 16:36:54,723 WARN L180 SmtUtils]: Spent 9.86 s on a formula simplification. DAG size of input: 781 DAG size of output: 134 [2018-12-08 16:36:54,724 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:36:54,725 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)) [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,725 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse29 (= 3 |old(~a15~0)|))) (let ((.cse13 (not .cse29)) (.cse7 (not (= 8 |old(~a12~0)|))) (.cse18 (= 4 |old(~a15~0)|)) (.cse20 (= 6 |old(~a12~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a18~0 |old(~a18~0)|)) (.cse24 (= |old(~a16~0)| ~a16~0)) (.cse2 (= |old(~a15~0)| ~a15~0)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse31 (= 8 |old(~a16~0)|)) (.cse30 (= 5 |old(~a12~0)|))) (let ((.cse10 (not (= 7 |old(~a12~0)|))) (.cse15 (= ~a15~0 |old(~a15~0)|)) (.cse1 (not .cse30)) (.cse9 (not .cse31)) (.cse17 (and .cse29 .cse30 .cse31)) (.cse19 (and .cse24 .cse2 .cse4)) (.cse16 (forall ((v_prenex_52 Int)) (let ((.cse26 (* 9 v_prenex_52))) (let ((.cse27 (div .cse26 10))) (let ((.cse28 (mod .cse27 38)) (.cse25 (+ .cse27 1))) (or (= (mod .cse25 38) 0) (not (= (mod .cse26 10) 0)) (<= 0 .cse27) (= .cse28 0) (< (+ |old(~a18~0)| 155) .cse28) (<= 0 .cse25))))))) (.cse21 (< |old(~a16~0)| 12)) (.cse8 (not (= 9 |old(~a16~0)|))) (.cse22 (and .cse14 (= 3 ~a15~0) .cse3 .cse4)) (.cse12 (not .cse20)) (.cse0 (not .cse18)) (.cse11 (= 12 |old(~a16~0)|)) (.cse6 (< (+ |old(~a18~0)| 600016) 0)) (.cse23 (and (or .cse13 (<= |old(~a18~0)| 134) .cse7) (< 0 (+ |old(~a18~0)| 79)))) (.cse5 (and .cse2 .cse14 .cse3 .cse4))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~a16~0 10) .cse4) (forall ((v_~a18~0_1287 Int)) (or (<= (+ v_~a18~0_1287 156) 0) (< |old(~a18~0)| (+ (* 3 v_~a18~0_1287) 599175)))) (not (= 10 |old(~a16~0)|))) (or .cse5 .cse6 (or .cse0 (or .cse7 .cse8))) (or .cse0 .cse9 .cse10 .cse6 .cse5) (or .cse5 .cse0 .cse11 .cse6 .cse12) (or (or .cse13 (= 0 |old(~a12~0)|) (not (= 11 |old(~a16~0)|))) (and .cse3 .cse14 .cse15 .cse4) .cse6) (or .cse16 .cse5 (or .cse0 .cse10 .cse8)) (or .cse17 .cse18 .cse19 (< 8 |old(~a16~0)|)) (or .cse0 .cse9 .cse16 .cse5 (not (= 9 |old(~a12~0)|))) (or .cse13 (or (< 0 (+ |old(~a18~0)| 388559)) .cse7) .cse6 (and (and (= 8 ~a12~0) .cse14) .cse3 .cse15)) (or .cse0 .cse6 .cse5 (or .cse9 .cse1)) (or .cse20 .cse13 .cse6 .cse21 .cse22) (or .cse13 .cse16 (or .cse23 .cse7) (and .cse3 .cse24 .cse15 .cse4)) (or .cse17 .cse13 .cse1 .cse22 .cse16 (= 0 |old(~a16~0)|)) (or .cse0 .cse9 .cse5 .cse7 .cse6) (or (< 9 |old(~a16~0)|) .cse20 .cse17 .cse18 .cse19) (or .cse13 .cse16 .cse22 .cse21) (or .cse0 .cse6 .cse23 .cse5 .cse8) (or .cse11 .cse13 .cse6 .cse22 .cse12) (or .cse0 (< 6 |old(~a12~0)|) .cse11 .cse6 .cse23 .cse5))))) [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,726 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,727 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse17 (= 8 |old(~a12~0)|))) (let ((.cse9 (not (= 3 |old(~a15~0)|))) (.cse5 (not .cse17))) (let ((.cse28 (= 3 ~a15~0)) (.cse8 (= 6 |old(~a12~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a18~0 |old(~a18~0)|)) (.cse35 (= |old(~a16~0)| ~a16~0)) (.cse32 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse19 (not (= 11 |old(~a16~0)|))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse26 (= 12 |old(~a16~0)|)) (.cse23 (= 4 |old(~a15~0)|)) (.cse25 (and (or .cse9 (<= |old(~a18~0)| 134) .cse5) (< 0 (+ |old(~a18~0)| 79))))) (let ((.cse22 (= 0 |old(~a16~0)|)) (.cse21 (< 9 |old(~a16~0)|)) (.cse30 (and (or .cse9 .cse5 .cse19 .cse20) (or .cse26 .cse23 .cse25 .cse5))) (.cse29 (+ ~a18~0 156)) (.cse36 (+ ~a18~0 79)) (.cse34 (= 8 ~a12~0)) (.cse15 (= ~a15~0 |old(~a15~0)|)) (.cse31 (= ~a12~0 5)) (.cse33 (and .cse35 .cse32 .cse16)) (.cse24 (< 8 |old(~a16~0)|)) (.cse2 (not (= 8 |old(~a16~0)|))) (.cse4 (and .cse32 .cse13 .cse14 .cse16)) (.cse3 (not (= 5 |old(~a12~0)|))) (.cse27 (not .cse8)) (.cse37 (< 134 ~a18~0)) (.cse38 (not (= calculate_output_~input 1))) (.cse10 (and .cse13 .cse28 .cse14 .cse16)) (.cse11 (< |old(~a16~0)| 12)) (.cse7 (forall ((v_prenex_52 Int)) (let ((.cse41 (* 9 v_prenex_52))) (let ((.cse42 (div .cse41 10))) (let ((.cse43 (mod .cse42 38)) (.cse40 (+ .cse42 1))) (or (= (mod .cse40 38) 0) (not (= (mod .cse41 10) 0)) (<= 0 .cse42) (= .cse43 0) (< (+ |old(~a18~0)| 155) .cse43) (<= 0 .cse40))))))) (.cse0 (not .cse23)) (.cse39 (not (= 7 |old(~a12~0)|))) (.cse6 (not (= 9 |old(~a16~0)|))) (.cse12 (not (= calculate_output_~input 0))) (.cse1 (< (+ |old(~a18~0)| 600016) 0)) (.cse18 (= 0 |old(~a12~0)|))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or .cse4 .cse1 (or .cse0 (or .cse5 .cse6))) (or .cse0 .cse2 .cse4 .cse7 (not (= 9 |old(~a12~0)|))) (or .cse8 .cse9 .cse10 .cse1 .cse11) (or (and .cse12 .cse13 .cse14 .cse15 .cse16) .cse7 (or .cse8 .cse9 .cse17 .cse18 .cse19 .cse20)) (or .cse21 .cse9 .cse3 .cse22 .cse12 .cse20) (or .cse23 (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3))) .cse24) (or .cse0 .cse1 .cse25 .cse4 .cse6) (or .cse0 (< 6 |old(~a12~0)|) .cse26 .cse4 .cse1 .cse25) (or .cse26 .cse9 .cse1 .cse10 .cse27) (or .cse9 (and .cse13 .cse28 (or (not (= calculate_output_~input 3)) (< 0 .cse29)) .cse14 .cse16) .cse1 .cse19 .cse30) (or .cse9 .cse3 .cse20 (and .cse12 .cse13 .cse14 .cse31 .cse32) .cse7 .cse22) (or .cse21 .cse8 .cse23 .cse33) (or .cse9 (and (or (and .cse34 .cse35 .cse12) (and .cse34 .cse35 (or (<= .cse36 0) .cse37))) .cse28 .cse14) .cse7 .cse30) (or .cse9 (or (<= .cse29 0) (not (= 12 ~a16~0)) .cse38 (< 0 .cse36)) .cse1 (or .cse5 .cse11)) (or .cse0 .cse2 .cse39 .cse4 .cse1) (or (or (< 0 (+ |old(~a18~0)| 388559)) .cse5) .cse9 .cse1 (and .cse14 (and .cse34 .cse35) .cse15)) (or .cse0 .cse3 (forall ((v_~a18~0_1287 Int)) (or (<= (+ v_~a18~0_1287 156) 0) (< |old(~a18~0)| (+ (* 3 v_~a18~0_1287) 599175)))) (and .cse14 (= ~a16~0 10) .cse31 (not (= 2 calculate_output_~input)) .cse32) (not (= 10 |old(~a16~0)|))) (or .cse23 .cse33 .cse24) (or .cse0 .cse2 .cse1 .cse4 .cse5) (or .cse12 .cse1 (or .cse9 .cse3 .cse11 .cse20)) (or .cse0 .cse26 .cse1 .cse27 (and (or (not (= 9 ~a16~0)) .cse37 .cse38) .cse32 .cse13 .cse14 .cse16)) (or .cse9 .cse7 .cse10 .cse11) (or .cse7 (and (and .cse32 .cse13 .cse14) .cse16) (or .cse0 .cse39 .cse6)) (or (and (and .cse12 .cse13) .cse28 .cse14 .cse16) .cse1 (or .cse9 .cse17 .cse25 .cse18 .cse19 .cse20))))))) [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,728 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,729 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,730 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,731 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,732 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,733 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,734 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,735 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse9 (not (= 3 |old(~a15~0)|))) (.cse12 (not (= 8 |old(~a12~0)|)))) (let ((.cse5 (= 6 |old(~a12~0)|)) (.cse27 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse15 (not (= 11 |old(~a16~0)|))) (.cse16 (= |calculate_output_#in~input| 0)) (.cse8 (= 12 |old(~a16~0)|)) (.cse6 (= 4 |old(~a15~0)|)) (.cse26 (and (or .cse9 (<= |old(~a18~0)| 134) .cse12) (< 0 (+ |old(~a18~0)| 79)))) (.cse22 (= |old(~a16~0)| ~a16~0)) (.cse25 (= |old(~a15~0)| ~a15~0)) (.cse23 (= |old(~a12~0)| ~a12~0))) (let ((.cse14 (not (= 7 |old(~a12~0)|))) (.cse7 (and .cse22 .cse25 .cse23)) (.cse21 (< |old(~a16~0)| 12)) (.cse19 (and (= 8 ~a12~0) .cse22)) (.cse20 (= ~a15~0 |old(~a15~0)|)) (.cse24 (and (or .cse9 .cse12 .cse15 .cse16) (or .cse8 .cse6 .cse26 .cse12))) (.cse3 (not (= 5 |old(~a12~0)|))) (.cse17 (forall ((v_prenex_52 Int)) (let ((.cse29 (* 9 v_prenex_52))) (let ((.cse30 (div .cse29 10))) (let ((.cse31 (mod .cse30 38)) (.cse28 (+ .cse30 1))) (or (= (mod .cse28 38) 0) (not (= (mod .cse29 10) 0)) (<= 0 .cse30) (= .cse31 0) (< (+ |old(~a18~0)| 155) .cse31) (<= 0 .cse28))))))) (.cse11 (and .cse27 (= 3 ~a15~0) .cse18 .cse23)) (.cse13 (not (= 9 |old(~a16~0)|))) (.cse10 (not .cse5)) (.cse0 (not .cse6)) (.cse2 (not (= 8 |old(~a16~0)|))) (.cse1 (< (+ |old(~a18~0)| 600016) 0)) (.cse4 (and .cse25 .cse27 .cse18 .cse23))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or (< 9 |old(~a16~0)|) .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse1 .cse10 .cse11) (or .cse1 (or .cse0 (or .cse12 .cse13)) .cse4) (or .cse0 .cse2 .cse14 .cse1 .cse4) (or .cse1 (or .cse9 (= 0 |old(~a12~0)|) .cse15 .cse16) .cse11) (or .cse17 .cse4 (or .cse0 .cse14 .cse13)) (or (or (< 0 (+ |old(~a18~0)| 388559)) .cse12) .cse9 .cse1 (and .cse18 .cse19 .cse20)) (or .cse0 .cse4 .cse2 .cse17 (not (= 9 |old(~a12~0)|))) (or (< 0 (+ |old(~a18~0)| 156)) .cse16 (or .cse2 .cse9 .cse3) (or (<= (+ ~a18~0 156) 0) (< 134 ~a18~0))) (or .cse5 .cse9 .cse1 .cse21 .cse11) (or (and .cse22 .cse18 .cse20 .cse23) .cse9 .cse17 .cse24) (or .cse6 (< 8 |old(~a16~0)|) .cse7) (or .cse0 .cse3 (forall ((v_~a18~0_1287 Int)) (or (<= (+ v_~a18~0_1287 156) 0) (< |old(~a18~0)| (+ (* 3 v_~a18~0_1287) 599175)))) (and .cse25 .cse18 (= ~a16~0 10) .cse23) (not (= 10 |old(~a16~0)|))) (or .cse9 .cse17 .cse11 .cse21) (or (and .cse19 .cse20 (= |old(~a18~0)| ~a18~0)) .cse9 .cse1 .cse15 .cse24) (or .cse9 .cse3 .cse16 .cse17 (= 0 |old(~a16~0)|) .cse11) (or .cse0 .cse1 .cse26 .cse4 .cse13) (or .cse0 (< 6 |old(~a12~0)|) .cse8 .cse4 .cse1 .cse26) (or .cse0 .cse8 .cse1 .cse4 .cse10) (or .cse0 .cse2 .cse1 .cse12 .cse4))))) [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,736 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 16:36:54,737 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,738 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,739 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,740 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,741 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,742 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,743 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,744 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,745 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-08 16:36:54,746 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:36:54,746 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))) [2018-12-08 16:36:54,747 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:36:54,747 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:36:54,747 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)|)) (and (= ~a16~0 |old(~a16~0)|) (= ~a12~0 5) (= |old(~a18~0)| ~a18~0) (= |old(~a15~0)| ~a15~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-08 16:36:54,747 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-08 16:36:54,747 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse16 (= 8 ~a12~0)) (.cse10 (= ~a15~0 3)) (.cse21 (not (= ~a12~0 6))) (.cse0 (not (= ~a15~0 4))) (.cse15 (not (= ~a16~0 12)))) (let ((.cse7 (and .cse21 .cse0 .cse15)) (.cse20 (or (<= (+ ~a18~0 79) 0) (and .cse16 .cse10 (< 134 ~a18~0)))) (.cse8 (not (= main_~input~0 0))) (.cse9 (= ~a16~0 11)) (.cse1 (not (= 11 |old(~a16~0)|)))) (let ((.cse4 (and (and (or (not (= |old(~a15~0)| 4)) (not (= 6 |old(~a12~0)|)) (not (= 9 |old(~a16~0)|))) (let ((.cse27 (or (and (<= 5 |old(~a12~0)|) (<= 9 |old(~a16~0)|)) (and (<= 8 |old(~a16~0)|) (<= 9 |old(~a12~0)|))))) (or (and .cse7 .cse16 .cse27 .cse20) (and .cse16 .cse8 .cse9 .cse27)))) (or (not (= |old(~a15~0)| 3)) (not (= 8 |old(~a12~0)|)) .cse1))) (.cse19 (+ |old(~a18~0)| 87)) (.cse11 (<= 12 ~a16~0)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse3 (exists ((v_prenex_52 Int)) (let ((.cse23 (* 9 v_prenex_52))) (let ((.cse26 (div .cse23 10))) (let ((.cse25 (+ .cse26 1)) (.cse24 (mod .cse26 38))) (and (= (mod .cse23 10) 0) (not (= .cse24 0)) (not (= (mod .cse25 38) 0)) (< .cse26 0) (< .cse25 0) (<= .cse24 (+ ~a18~0 155)))))))) (.cse17 (= 7 ~a12~0)) (.cse22 (= ~a12~0 5)) (.cse14 (= 4 ~a15~0)) (.cse13 (= 6 ~a12~0)) (.cse6 (= 3 ~a15~0)) (.cse2 (= 8 ~a16~0)) (.cse18 (= 9 ~a16~0)) (.cse5 (<= 0 (+ ~a18~0 600016)))) (or (and .cse0 (<= ~a16~0 8)) .cse1 (and (and .cse2 .cse3) (= ~a12~0 9)) (and (and (= 11 ~a16~0) .cse4) .cse5 .cse6) (not (= 3 |old(~a15~0)|)) (and .cse7 (<= ~a16~0 9)) (and .cse5 (and .cse8 .cse9 .cse10 (not (= ~a12~0 0)))) (and (and .cse11 .cse3) .cse12) (and .cse13 .cse14 .cse15 .cse5) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse2 .cse5) (and (and .cse17 .cse18) .cse3) (< 0 .cse19) (and (and .cse4 .cse3) .cse6) (and .cse5 .cse6 (and .cse16 (<= (+ ~a18~0 388559) 0))) (< .cse19 0) (and .cse14 .cse20 .cse18 .cse5) (and .cse5 (and (and .cse11 .cse21) .cse12)) (and .cse8 .cse22 .cse6 .cse3) (and .cse2 .cse17 .cse5) (and .cse14 .cse22 (= ~a16~0 10) (exists ((v_~a18~0_1287 Int)) (and (< 0 (+ v_~a18~0_1287 156)) (<= (+ (* 3 v_~a18~0_1287) 599175) ~a18~0)))) (and .cse14 .cse20 .cse15 .cse5 (<= ~a12~0 6)) (and .cse13 .cse15 .cse5 .cse6) (and (and .cse2 (= 5 ~a12~0)) .cse5) (and (and .cse18 .cse16) .cse5))))) [2018-12-08 16:36:54,747 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-08 16:36:54,747 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-08 16:36:54,748 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse6 (= 8 ~a12~0)) (.cse1 (= ~a15~0 3))) (let ((.cse2 (not (= ~a15~0 4))) (.cse4 (exists ((v_prenex_52 Int)) (let ((.cse18 (* 9 v_prenex_52))) (let ((.cse21 (div .cse18 10))) (let ((.cse20 (+ .cse21 1)) (.cse19 (mod .cse21 38))) (and (= (mod .cse18 10) 0) (not (= .cse19 0)) (not (= (mod .cse20 38) 0)) (< .cse21 0) (< .cse20 0) (<= .cse19 (+ ~a18~0 155)))))))) (.cse16 (+ |old(~a18~0)| 87)) (.cse9 (<= 12 ~a16~0)) (.cse8 (not (= ~a12~0 6))) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse14 (= 7 ~a12~0)) (.cse17 (= ~a12~0 5)) (.cse12 (= 4 ~a15~0)) (.cse7 (or (<= (+ ~a18~0 79) 0) (and .cse6 .cse1 (< 134 ~a18~0)))) (.cse11 (= 6 ~a12~0)) (.cse13 (not (= ~a16~0 12))) (.cse5 (= 3 ~a15~0)) (.cse3 (= 8 ~a16~0)) (.cse15 (= 9 ~a16~0)) (.cse0 (<= 0 (+ ~a18~0 600016)))) (or (and .cse0 (and (= ~a16~0 11) .cse1 (not (= ~a12~0 0)))) (and .cse2 (<= ~a16~0 8)) (not (= 11 |old(~a16~0)|)) (and (and .cse3 .cse4) (= ~a12~0 9)) (and .cse5 (and (and .cse6 .cse7) .cse4)) (not (= 3 |old(~a15~0)|)) (and (and .cse8 .cse2) (<= ~a16~0 9)) (and (and .cse9 .cse4) .cse10) (and .cse11 .cse12 .cse13 .cse0) (not (= 5 |old(~a12~0)|)) (and .cse6 .cse3 .cse0) (and (and .cse14 .cse15) .cse4) (< 0 .cse16) (and .cse0 .cse5 (and .cse6 (<= (+ ~a18~0 388559) 0))) (and (and .cse1 .cse17) .cse4) (< .cse16 0) (and .cse12 .cse7 .cse15 .cse0) (and .cse0 (and (and .cse9 .cse8) .cse10)) (and .cse3 .cse14 .cse0) (and .cse12 .cse17 (= ~a16~0 10) (exists ((v_~a18~0_1287 Int)) (and (< 0 (+ v_~a18~0_1287 156)) (<= (+ (* 3 v_~a18~0_1287) 599175) ~a18~0)))) (and .cse12 .cse7 .cse13 .cse0 (<= ~a12~0 6)) (and .cse11 .cse13 .cse0 .cse5) (and (and .cse3 (= 5 ~a12~0)) .cse0) (and (and .cse15 .cse6) .cse0)))) [2018-12-08 16:36:54,748 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-08 16:36:54,752 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,753 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,753 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,753 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,754 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,755 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,755 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,755 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,755 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,755 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,755 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,756 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,762 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,763 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,763 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,763 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,763 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,764 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,765 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,766 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,767 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:36:54 BoogieIcfgContainer [2018-12-08 16:36:54,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:36:54,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:36:54,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:36:54,773 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:36:54,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:26:57" (3/4) ... [2018-12-08 16:36:54,776 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:36:54,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:36:54,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-08 16:36:54,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 16:36:54,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:36:54,797 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 16:36:54,799 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 16:36:54,818 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((0 <= a18 + 600016 && (a16 == 11 && a15 == 3) && !(a12 == 0)) || (!(a15 == 4) && a16 <= 8)) || !(11 == \old(a16))) || ((8 == a16 && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155)) && a12 == 9)) || (3 == a15 && (8 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || !(3 == \old(a15))) || ((!(a12 == 6) && !(a15 == 4)) && a16 <= 9)) || ((12 <= a16 && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155)) && \old(a15) == a15)) || (((6 == a12 && 4 == a15) && !(a16 == 12)) && 0 <= a18 + 600016)) || !(5 == \old(a12))) || ((8 == a12 && 8 == a16) && 0 <= a18 + 600016)) || ((7 == a12 && 9 == a16) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || 0 < \old(a18) + 87) || ((0 <= a18 + 600016 && 3 == a15) && 8 == a12 && a18 + 388559 <= 0)) || ((a15 == 3 && a12 == 5) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || \old(a18) + 87 < 0) || (((4 == a15 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 <= a18 + 600016)) || (0 <= a18 + 600016 && (12 <= a16 && !(a12 == 6)) && \old(a15) == a15)) || ((8 == a16 && 7 == a12) && 0 <= a18 + 600016)) || (((4 == a15 && a12 == 5) && a16 == 10) && (\exists v_~a18~0_1287 : int :: 0 < v_~a18~0_1287 + 156 && 3 * v_~a18~0_1287 + 599175 <= a18))) || ((((4 == a15 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a16 == 12)) && 0 <= a18 + 600016) && a12 <= 6)) || (((6 == a12 && !(a16 == 12)) && 0 <= a18 + 600016) && 3 == a15)) || ((8 == a16 && 5 == a12) && 0 <= a18 + 600016)) || ((9 == a16 && 8 == a12) && 0 <= a18 + 600016) [2018-12-08 16:36:54,900 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_edee3e28-fa54-42d8-98f3-c9bc461a3f43/bin-2019/utaipan/witness.graphml [2018-12-08 16:36:54,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:36:54,901 INFO L168 Benchmark]: Toolchain (without parser) took 598966.15 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 946.3 MB in the beginning and 990.7 MB in the end (delta: -44.4 MB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,901 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:36:54,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,902 INFO L168 Benchmark]: Boogie Preprocessor took 59.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,902 INFO L168 Benchmark]: RCFGBuilder took 1270.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.4 MB in the end (delta: 247.2 MB). Peak memory consumption was 247.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,903 INFO L168 Benchmark]: TraceAbstraction took 596929.38 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 839.4 MB in the beginning and 990.7 MB in the end (delta: -151.4 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,903 INFO L168 Benchmark]: Witness Printer took 127.71 ms. Allocated memory is still 5.2 GB. Free memory was 990.7 MB in the beginning and 990.7 MB in the end (delta: 2.3 kB). Peak memory consumption was 2.3 kB. Max. memory is 11.5 GB. [2018-12-08 16:36:54,904 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1270.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 839.4 MB in the end (delta: 247.2 MB). Peak memory consumption was 247.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 596929.38 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 839.4 MB in the beginning and 990.7 MB in the end (delta: -151.4 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 127.71 ms. Allocated memory is still 5.2 GB. Free memory was 990.7 MB in the beginning and 990.7 MB in the end (delta: 2.3 kB). Peak memory consumption was 2.3 kB. 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_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,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 [2018-12-08 16:36:54,907 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,907 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,907 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,907 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,908 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,909 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,910 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,911 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,911 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,911 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,912 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,912 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,912 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,912 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,913 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,914 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,915 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-12-08 16:36:54,916 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-12-08 16:36:54,917 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((0 <= a18 + 600016 && (a16 == 11 && a15 == 3) && !(a12 == 0)) || (!(a15 == 4) && a16 <= 8)) || !(11 == \old(a16))) || ((8 == a16 && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155)) && a12 == 9)) || (3 == a15 && (8 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || !(3 == \old(a15))) || ((!(a12 == 6) && !(a15 == 4)) && a16 <= 9)) || ((12 <= a16 && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155)) && \old(a15) == a15)) || (((6 == a12 && 4 == a15) && !(a16 == 12)) && 0 <= a18 + 600016)) || !(5 == \old(a12))) || ((8 == a12 && 8 == a16) && 0 <= a18 + 600016)) || ((7 == a12 && 9 == a16) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || 0 < \old(a18) + 87) || ((0 <= a18 + 600016 && 3 == a15) && 8 == a12 && a18 + 388559 <= 0)) || ((a15 == 3 && a12 == 5) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || \old(a18) + 87 < 0) || (((4 == a15 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 <= a18 + 600016)) || (0 <= a18 + 600016 && (12 <= a16 && !(a12 == 6)) && \old(a15) == a15)) || ((8 == a16 && 7 == a12) && 0 <= a18 + 600016)) || (((4 == a15 && a12 == 5) && a16 == 10) && (\exists v_~a18~0_1287 : int :: 0 < v_~a18~0_1287 + 156 && 3 * v_~a18~0_1287 + 599175 <= a18))) || ((((4 == a15 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a16 == 12)) && 0 <= a18 + 600016) && a12 <= 6)) || (((6 == a12 && !(a16 == 12)) && 0 <= a18 + 600016) && 3 == a15)) || ((8 == a16 && 5 == a12) && 0 <= a18 + 600016)) || ((9 == a16 && 8 == a12) && 0 <= a18 + 600016) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 596.8s OverallTime, 22 OverallIterations, 15 TraceHistogramMax, 466.2s AutomataDifference, 0.0s DeadEndRemovalTime, 38.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3535 SDtfs, 79047 SDslu, 7226 SDs, 0 SdLazy, 176581 SolverSat, 13607 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 386.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 46922 GetRequests, 46041 SyntacticMatches, 56 SemanticMatches, 825 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 21534 ImplicationChecksByTransitivity, 45.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25977occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.1s AbstIntTime, 18 AbstIntIterations, 5 AbstIntStrong, 0.9980418965519554 AbsIntWeakeningRatio, 0.06028741675429373 AbsIntAvgWeakeningVarsNumRemoved, 16.099894847528915 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 11223 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2697 PreInvPairs, 3011 NumberOfFragments, 4811 HoareAnnotationTreeSize, 2697 FomulaSimplifications, 1236408 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 868501 FormulaSimplificationTreeSizeReductionInter, 35.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 40.6s InterpolantComputationTime, 46169 NumberOfCodeBlocks, 46169 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 67549 ConstructedInterpolants, 101 QuantifiedInterpolants, 457185158 SizeOfPredicates, 27 NumberOfNonLiveVariables, 27501 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 48 InterpolantComputations, 8 PerfectInterpolantSequences, 207782/237941 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...