./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_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_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 308ad44d52107ad8f325837cc646defe060ce6d2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:39:39,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:39:39,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:39:39,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:39:39,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:39:39,352 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:39:39,353 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:39:39,354 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:39:39,355 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:39:39,355 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:39:39,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:39:39,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:39:39,356 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:39:39,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:39:39,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:39:39,357 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:39:39,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:39:39,358 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:39:39,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:39:39,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:39:39,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:39:39,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:39:39,362 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:39:39,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:39:39,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:39:39,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:39:39,364 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:39:39,364 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:39:39,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:39:39,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:39:39,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:39:39,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:39:39,366 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:39:39,366 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:39:39,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:39:39,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:39:39,367 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:39:39,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:39:39,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:39:39,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:39:39,375 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:39:39,375 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:39:39,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:39:39,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:39:39,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:39:39,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:39:39,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:39:39,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:39:39,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:39:39,378 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:39:39,378 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:39:39,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:39:39,378 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:39:39,378 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_94b55479-f7a5-4c14-9a88-f32968820fbd/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 -> 308ad44d52107ad8f325837cc646defe060ce6d2 [2018-12-09 18:39:39,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:39:39,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:39:39,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:39:39,405 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:39:39,405 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:39:39,406 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-12-09 18:39:39,440 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/data/b847c425a/5c3ba98ccb4f496390aabdc8b8b6e999/FLAG371596649 [2018-12-09 18:39:39,940 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:39:39,941 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-12-09 18:39:39,953 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/data/b847c425a/5c3ba98ccb4f496390aabdc8b8b6e999/FLAG371596649 [2018-12-09 18:39:39,965 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/data/b847c425a/5c3ba98ccb4f496390aabdc8b8b6e999 [2018-12-09 18:39:39,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:39:39,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:39:39,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:39:39,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:39:39,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:39:39,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:39:39" (1/1) ... [2018-12-09 18:39:39,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:39, skipping insertion in model container [2018-12-09 18:39:39,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:39:39" (1/1) ... [2018-12-09 18:39:39,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:39:40,032 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:39:40,330 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:39:40,333 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:39:40,533 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:39:40,543 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:39:40,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40 WrapperNode [2018-12-09 18:39:40,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:39:40,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:39:40,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:39:40,544 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:39:40,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:39:40,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:39:40,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:39:40,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:39:40,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... [2018-12-09 18:39:40,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:39:40,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:39:40,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:39:40,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:39:40,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 [2018-12-09 18:39:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:39:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:39:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 18:39:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 18:39:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 18:39:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 18:39:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:39:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:39:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:39:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:39:41,942 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:39:41,942 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 18:39:41,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:39:41 BoogieIcfgContainer [2018-12-09 18:39:41,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:39:41,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:39:41,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:39:41,945 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:39:41,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:39:39" (1/3) ... [2018-12-09 18:39:41,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:39:41, skipping insertion in model container [2018-12-09 18:39:41,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:39:40" (2/3) ... [2018-12-09 18:39:41,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:39:41, skipping insertion in model container [2018-12-09 18:39:41,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:39:41" (3/3) ... [2018-12-09 18:39:41,948 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label49_true-unreach-call.c [2018-12-09 18:39:41,954 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:39:41,959 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:39:41,969 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:39:41,991 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:39:41,991 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:39:41,991 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:39:41,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:39:41,992 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:39:41,992 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:39:41,992 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:39:41,992 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:39:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 18:39:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 18:39:42,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:39:42,014 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:39:42,015 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:39:42,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:42,019 INFO L82 PathProgramCache]: Analyzing trace with hash -971896627, now seen corresponding path program 1 times [2018-12-09 18:39:42,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:39:42,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:42,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:39:42,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:42,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:39:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:42,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:39:42,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:39:42,210 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:39:42,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:39:42,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:39:42,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:39:42,227 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-12-09 18:39:44,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:39:44,922 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-12-09 18:39:44,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:39:44,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-09 18:39:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:39:44,940 INFO L225 Difference]: With dead ends: 1509 [2018-12-09 18:39:44,940 INFO L226 Difference]: Without dead ends: 1019 [2018-12-09 18:39:44,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:39:44,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-12-09 18:39:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 682. [2018-12-09 18:39:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 18:39:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1148 transitions. [2018-12-09 18:39:45,007 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1148 transitions. Word has length 66 [2018-12-09 18:39:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:39:45,008 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1148 transitions. [2018-12-09 18:39:45,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:39:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1148 transitions. [2018-12-09 18:39:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 18:39:45,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:39:45,013 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:39:45,013 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:39:45,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:45,013 INFO L82 PathProgramCache]: Analyzing trace with hash -653341620, now seen corresponding path program 1 times [2018-12-09 18:39:45,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:39:45,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:45,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:39:45,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:45,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:39:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:45,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:39:45,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:39:45,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:39:45,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:39:45,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:39:45,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:39:45,144 INFO L87 Difference]: Start difference. First operand 682 states and 1148 transitions. Second operand 6 states. [2018-12-09 18:39:46,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:39:46,406 INFO L93 Difference]: Finished difference Result 2068 states and 3519 transitions. [2018-12-09 18:39:46,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:39:46,407 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-12-09 18:39:46,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:39:46,414 INFO L225 Difference]: With dead ends: 2068 [2018-12-09 18:39:46,414 INFO L226 Difference]: Without dead ends: 1392 [2018-12-09 18:39:46,417 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 [2018-12-09 18:39:46,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-09 18:39:46,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1374. [2018-12-09 18:39:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-12-09 18:39:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2217 transitions. [2018-12-09 18:39:46,454 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2217 transitions. Word has length 136 [2018-12-09 18:39:46,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:39:46,454 INFO L480 AbstractCegarLoop]: Abstraction has 1374 states and 2217 transitions. [2018-12-09 18:39:46,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:39:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2217 transitions. [2018-12-09 18:39:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 18:39:46,457 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:39:46,457 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:39:46,457 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:39:46,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:46,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1932739549, now seen corresponding path program 1 times [2018-12-09 18:39:46,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:39:46,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:46,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:39:46,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:46,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:39:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:46,533 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:46,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:39:46,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 18:39:46,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:39:46,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:39:46,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:39:46,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:39:46,535 INFO L87 Difference]: Start difference. First operand 1374 states and 2217 transitions. Second operand 5 states. [2018-12-09 18:39:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:39:47,777 INFO L93 Difference]: Finished difference Result 3463 states and 5603 transitions. [2018-12-09 18:39:47,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:39:47,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-12-09 18:39:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:39:47,783 INFO L225 Difference]: With dead ends: 3463 [2018-12-09 18:39:47,783 INFO L226 Difference]: Without dead ends: 2095 [2018-12-09 18:39:47,785 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 [2018-12-09 18:39:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-09 18:39:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2079. [2018-12-09 18:39:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2018-12-09 18:39:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2787 transitions. [2018-12-09 18:39:47,815 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2787 transitions. Word has length 137 [2018-12-09 18:39:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:39:47,816 INFO L480 AbstractCegarLoop]: Abstraction has 2079 states and 2787 transitions. [2018-12-09 18:39:47,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:39:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2787 transitions. [2018-12-09 18:39:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-09 18:39:47,818 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:39:47,818 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:39:47,818 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:39:47,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:47,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1687278437, now seen corresponding path program 1 times [2018-12-09 18:39:47,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:39:47,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:47,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:39:47,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:47,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:39:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:47,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:39:47,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:39:47,968 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:39:47,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:39:47,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:39:47,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:39:47,969 INFO L87 Difference]: Start difference. First operand 2079 states and 2787 transitions. Second operand 6 states. [2018-12-09 18:39:49,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:39:49,441 INFO L93 Difference]: Finished difference Result 6268 states and 8594 transitions. [2018-12-09 18:39:49,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:39:49,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2018-12-09 18:39:49,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:39:49,457 INFO L225 Difference]: With dead ends: 6268 [2018-12-09 18:39:49,457 INFO L226 Difference]: Without dead ends: 4195 [2018-12-09 18:39:49,461 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 [2018-12-09 18:39:49,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4195 states. [2018-12-09 18:39:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4195 to 4157. [2018-12-09 18:39:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4157 states. [2018-12-09 18:39:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 5579 transitions. [2018-12-09 18:39:49,521 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 5579 transitions. Word has length 229 [2018-12-09 18:39:49,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:39:49,521 INFO L480 AbstractCegarLoop]: Abstraction has 4157 states and 5579 transitions. [2018-12-09 18:39:49,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:39:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 5579 transitions. [2018-12-09 18:39:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-09 18:39:49,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:39:49,524 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:39:49,524 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:39:49,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:49,524 INFO L82 PathProgramCache]: Analyzing trace with hash 914969597, now seen corresponding path program 1 times [2018-12-09 18:39:49,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:39:49,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:49,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:39:49,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:49,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:39:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:49,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:39:49,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:39:49,656 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:39:49,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:39:49,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:39:49,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:39:49,657 INFO L87 Difference]: Start difference. First operand 4157 states and 5579 transitions. Second operand 6 states. [2018-12-09 18:39:51,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:39:51,158 INFO L93 Difference]: Finished difference Result 10099 states and 13767 transitions. [2018-12-09 18:39:51,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:39:51,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 249 [2018-12-09 18:39:51,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:39:51,170 INFO L225 Difference]: With dead ends: 10099 [2018-12-09 18:39:51,170 INFO L226 Difference]: Without dead ends: 5948 [2018-12-09 18:39:51,175 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 [2018-12-09 18:39:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2018-12-09 18:39:51,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5913. [2018-12-09 18:39:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5913 states. [2018-12-09 18:39:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7738 transitions. [2018-12-09 18:39:51,243 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7738 transitions. Word has length 249 [2018-12-09 18:39:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:39:51,243 INFO L480 AbstractCegarLoop]: Abstraction has 5913 states and 7738 transitions. [2018-12-09 18:39:51,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:39:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7738 transitions. [2018-12-09 18:39:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 18:39:51,245 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:39:51,245 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:39:51,245 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:39:51,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:51,246 INFO L82 PathProgramCache]: Analyzing trace with hash -532122808, now seen corresponding path program 1 times [2018-12-09 18:39:51,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:39:51,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:51,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:39:51,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:39:51,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:39:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 177 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:51,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:39:51,454 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:39:51,455 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-12-09 18:39:51,456 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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] [2018-12-09 18:39:51,484 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:39:51,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:39:51,708 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:39:51,709 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 18:39:51,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:39:51,715 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:39:51,975 INFO L227 lantSequenceWeakener]: Weakened 256 states. On average, predicates are now at 78.13% of their original sizes. [2018-12-09 18:39:51,975 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:39:52,005 INFO L418 sIntCurrentIteration]: We unified 264 AI predicates to 264 [2018-12-09 18:39:52,005 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:39:52,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:39:52,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-12-09 18:39:52,005 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:39:52,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:39:52,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:39:52,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:39:52,006 INFO L87 Difference]: Start difference. First operand 5913 states and 7738 transitions. Second operand 6 states. [2018-12-09 18:40:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:35,302 INFO L93 Difference]: Finished difference Result 12158 states and 15842 transitions. [2018-12-09 18:40:35,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:35,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2018-12-09 18:40:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:35,313 INFO L225 Difference]: With dead ends: 12158 [2018-12-09 18:40:35,313 INFO L226 Difference]: Without dead ends: 6251 [2018-12-09 18:40:35,318 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:40:35,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2018-12-09 18:40:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6250. [2018-12-09 18:40:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6250 states. [2018-12-09 18:40:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 8084 transitions. [2018-12-09 18:40:35,384 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 8084 transitions. Word has length 265 [2018-12-09 18:40:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:35,384 INFO L480 AbstractCegarLoop]: Abstraction has 6250 states and 8084 transitions. [2018-12-09 18:40:35,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 8084 transitions. [2018-12-09 18:40:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 18:40:35,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:35,387 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:35,387 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:35,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1268379517, now seen corresponding path program 1 times [2018-12-09 18:40:35,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:35,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:35,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:35,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:35,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:35,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:35,518 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:35,518 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 314 with the following transitions: [2018-12-09 18:40:35,519 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:40:35,525 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:35,525 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:35,862 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:40:35,862 INFO L272 AbstractInterpreter]: Visited 254 different actions 749 times. Merged at 4 different actions 7 times. Never widened. Performed 8785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 18:40:35,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:35,868 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:40:36,155 INFO L227 lantSequenceWeakener]: Weakened 310 states. On average, predicates are now at 80.72% of their original sizes. [2018-12-09 18:40:36,155 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:40:36,194 INFO L418 sIntCurrentIteration]: We unified 312 AI predicates to 312 [2018-12-09 18:40:36,194 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:40:36,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:40:36,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-12-09 18:40:36,195 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:36,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:40:36,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:40:36,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:40:36,196 INFO L87 Difference]: Start difference. First operand 6250 states and 8084 transitions. Second operand 9 states. [2018-12-09 18:41:31,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:41:31,588 INFO L93 Difference]: Finished difference Result 12502 states and 16225 transitions. [2018-12-09 18:41:31,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 18:41:31,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 313 [2018-12-09 18:41:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:41:31,602 INFO L225 Difference]: With dead ends: 12502 [2018-12-09 18:41:31,602 INFO L226 Difference]: Without dead ends: 6595 [2018-12-09 18:41:31,608 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:41:31,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6595 states. [2018-12-09 18:41:31,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6595 to 6591. [2018-12-09 18:41:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6591 states. [2018-12-09 18:41:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6591 states to 6591 states and 8457 transitions. [2018-12-09 18:41:31,684 INFO L78 Accepts]: Start accepts. Automaton has 6591 states and 8457 transitions. Word has length 313 [2018-12-09 18:41:31,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:41:31,685 INFO L480 AbstractCegarLoop]: Abstraction has 6591 states and 8457 transitions. [2018-12-09 18:41:31,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:41:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 6591 states and 8457 transitions. [2018-12-09 18:41:31,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-12-09 18:41:31,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:41:31,688 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:41:31,688 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:41:31,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:41:31,689 INFO L82 PathProgramCache]: Analyzing trace with hash 8628896, now seen corresponding path program 1 times [2018-12-09 18:41:31,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:41:31,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:41:31,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:41:31,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:41:31,689 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:41:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 247 proven. 116 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 18:41:31,868 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:41:31,868 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:41:31,868 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 357 with the following transitions: [2018-12-09 18:41:31,868 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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] [2018-12-09 18:41:31,870 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:41:31,870 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:41:31,981 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:41:31,981 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4088 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 18:41:31,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:41:31,983 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:41:32,131 INFO L227 lantSequenceWeakener]: Weakened 353 states. On average, predicates are now at 80.67% of their original sizes. [2018-12-09 18:41:32,131 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:41:32,178 INFO L418 sIntCurrentIteration]: We unified 355 AI predicates to 355 [2018-12-09 18:41:32,178 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:41:32,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:41:32,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 18:41:32,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:41:32,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:41:32,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:41:32,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:41:32,179 INFO L87 Difference]: Start difference. First operand 6591 states and 8457 transitions. Second operand 10 states. [2018-12-09 18:42:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:42:47,624 INFO L93 Difference]: Finished difference Result 14950 states and 19169 transitions. [2018-12-09 18:42:47,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 18:42:47,625 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 356 [2018-12-09 18:42:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:42:47,636 INFO L225 Difference]: With dead ends: 14950 [2018-12-09 18:42:47,636 INFO L226 Difference]: Without dead ends: 8702 [2018-12-09 18:42:47,641 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 365 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 18:42:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8702 states. [2018-12-09 18:42:47,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8702 to 8665. [2018-12-09 18:42:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8665 states. [2018-12-09 18:42:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8665 states to 8665 states and 10743 transitions. [2018-12-09 18:42:47,716 INFO L78 Accepts]: Start accepts. Automaton has 8665 states and 10743 transitions. Word has length 356 [2018-12-09 18:42:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:42:47,716 INFO L480 AbstractCegarLoop]: Abstraction has 8665 states and 10743 transitions. [2018-12-09 18:42:47,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:42:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8665 states and 10743 transitions. [2018-12-09 18:42:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-12-09 18:42:47,721 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:42:47,722 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:42:47,722 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:42:47,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:42:47,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1176610783, now seen corresponding path program 1 times [2018-12-09 18:42:47,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:42:47,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:42:47,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:42:47,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:42:47,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:42:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:42:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 18:42:47,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:42:47,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:42:47,987 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 471 with the following transitions: [2018-12-09 18:42:47,988 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [1024], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:42:47,990 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:42:47,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:42:48,234 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:42:48,235 INFO L272 AbstractInterpreter]: Visited 255 different actions 757 times. Merged at 6 different actions 12 times. Never widened. Performed 8913 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 18:42:48,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:42:48,237 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:42:48,455 INFO L227 lantSequenceWeakener]: Weakened 467 states. On average, predicates are now at 80.52% of their original sizes. [2018-12-09 18:42:48,455 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:42:48,482 INFO L418 sIntCurrentIteration]: We unified 469 AI predicates to 469 [2018-12-09 18:42:48,482 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:42:48,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:42:48,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-12-09 18:42:48,483 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:42:48,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:42:48,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:42:48,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:42:48,484 INFO L87 Difference]: Start difference. First operand 8665 states and 10743 transitions. Second operand 9 states. [2018-12-09 18:43:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:05,053 INFO L93 Difference]: Finished difference Result 10385 states and 12713 transitions. [2018-12-09 18:43:05,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 18:43:05,053 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 470 [2018-12-09 18:43:05,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:05,066 INFO L225 Difference]: With dead ends: 10385 [2018-12-09 18:43:05,066 INFO L226 Difference]: Without dead ends: 10383 [2018-12-09 18:43:05,068 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 476 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:43:05,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-12-09 18:43:05,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 10367. [2018-12-09 18:43:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10367 states. [2018-12-09 18:43:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10367 states to 10367 states and 12694 transitions. [2018-12-09 18:43:05,154 INFO L78 Accepts]: Start accepts. Automaton has 10367 states and 12694 transitions. Word has length 470 [2018-12-09 18:43:05,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:05,154 INFO L480 AbstractCegarLoop]: Abstraction has 10367 states and 12694 transitions. [2018-12-09 18:43:05,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:43:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 10367 states and 12694 transitions. [2018-12-09 18:43:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2018-12-09 18:43:05,158 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:05,158 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:43:05,158 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:05,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:05,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1331841016, now seen corresponding path program 1 times [2018-12-09 18:43:05,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:05,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:05,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:05,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:05,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 309 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:43:05,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:05,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:05,490 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 505 with the following transitions: [2018-12-09 18:43:05,490 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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] [2018-12-09 18:43:05,492 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:05,493 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:05,857 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:43:05,857 INFO L272 AbstractInterpreter]: Visited 249 different actions 742 times. Merged at 7 different actions 17 times. Never widened. Performed 8386 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8386 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 18:43:05,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:05,859 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:43:05,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:05,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 [2018-12-09 18:43:05,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:05,866 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:43:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:05,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:43:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 18:43:06,053 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:43:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 18:43:06,182 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:43:06,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-12-09 18:43:06,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:43:06,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:43:06,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:43:06,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-09 18:43:06,183 INFO L87 Difference]: Start difference. First operand 10367 states and 12694 transitions. Second operand 3 states. [2018-12-09 18:43:07,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:07,079 INFO L93 Difference]: Finished difference Result 23097 states and 28508 transitions. [2018-12-09 18:43:07,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:43:07,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 504 [2018-12-09 18:43:07,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:07,098 INFO L225 Difference]: With dead ends: 23097 [2018-12-09 18:43:07,098 INFO L226 Difference]: Without dead ends: 13073 [2018-12-09 18:43:07,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 1008 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-09 18:43:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13073 states. [2018-12-09 18:43:07,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13073 to 13073. [2018-12-09 18:43:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13073 states. [2018-12-09 18:43:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 15703 transitions. [2018-12-09 18:43:07,219 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 15703 transitions. Word has length 504 [2018-12-09 18:43:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:07,220 INFO L480 AbstractCegarLoop]: Abstraction has 13073 states and 15703 transitions. [2018-12-09 18:43:07,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:43:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 15703 transitions. [2018-12-09 18:43:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-12-09 18:43:07,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:07,224 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:43:07,225 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:07,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:07,225 INFO L82 PathProgramCache]: Analyzing trace with hash -359000807, now seen corresponding path program 1 times [2018-12-09 18:43:07,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:07,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:07,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:07,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:07,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 355 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:43:08,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:08,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:08,039 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-12-09 18:43:08,039 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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] [2018-12-09 18:43:08,042 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:08,042 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:08,182 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:43:08,183 INFO L272 AbstractInterpreter]: Visited 257 different actions 508 times. Merged at 4 different actions 4 times. Never widened. Performed 5453 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5453 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 18:43:08,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:08,187 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:43:08,423 INFO L227 lantSequenceWeakener]: Weakened 551 states. On average, predicates are now at 77.69% of their original sizes. [2018-12-09 18:43:08,423 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:43:08,459 INFO L418 sIntCurrentIteration]: We unified 553 AI predicates to 553 [2018-12-09 18:43:08,460 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:43:08,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:43:08,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-09 18:43:08,460 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:43:08,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:43:08,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:43:08,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:43:08,461 INFO L87 Difference]: Start difference. First operand 13073 states and 15703 transitions. Second operand 10 states. [2018-12-09 18:43:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:27,907 INFO L93 Difference]: Finished difference Result 26144 states and 31441 transitions. [2018-12-09 18:43:27,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 18:43:27,907 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 554 [2018-12-09 18:43:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:27,921 INFO L225 Difference]: With dead ends: 26144 [2018-12-09 18:43:27,921 INFO L226 Difference]: Without dead ends: 13414 [2018-12-09 18:43:27,928 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 561 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 18:43:27,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13414 states. [2018-12-09 18:43:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13414 to 13412. [2018-12-09 18:43:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13412 states. [2018-12-09 18:43:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13412 states to 13412 states and 16061 transitions. [2018-12-09 18:43:28,033 INFO L78 Accepts]: Start accepts. Automaton has 13412 states and 16061 transitions. Word has length 554 [2018-12-09 18:43:28,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:28,034 INFO L480 AbstractCegarLoop]: Abstraction has 13412 states and 16061 transitions. [2018-12-09 18:43:28,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:43:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13412 states and 16061 transitions. [2018-12-09 18:43:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2018-12-09 18:43:28,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:28,039 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:43:28,039 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:28,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:28,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1577593025, now seen corresponding path program 1 times [2018-12-09 18:43:28,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:28,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:28,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:28,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:28,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 270 proven. 239 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 18:43:28,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:28,807 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:28,807 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 646 with the following transitions: [2018-12-09 18:43:28,807 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:43:28,810 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:28,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:29,128 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:43:29,128 INFO L272 AbstractInterpreter]: Visited 259 different actions 1036 times. Merged at 7 different actions 33 times. Widened at 1 different actions 1 times. Performed 12399 root evaluator evaluations with a maximum evaluation depth of 9. Performed 12399 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 18:43:29,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:29,131 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:43:29,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:29,131 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 [2018-12-09 18:43:29,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:29,137 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:43:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:29,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:43:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 536 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 18:43:29,384 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:43:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 270 proven. 239 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 18:43:29,659 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:43:29,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-09 18:43:29,659 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:43:29,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 18:43:29,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 18:43:29,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-09 18:43:29,660 INFO L87 Difference]: Start difference. First operand 13412 states and 16061 transitions. Second operand 15 states. [2018-12-09 18:43:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:34,754 INFO L93 Difference]: Finished difference Result 32570 states and 39917 transitions. [2018-12-09 18:43:34,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 18:43:34,754 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 645 [2018-12-09 18:43:34,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:34,775 INFO L225 Difference]: With dead ends: 32570 [2018-12-09 18:43:34,775 INFO L226 Difference]: Without dead ends: 17468 [2018-12-09 18:43:34,788 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1362 GetRequests, 1310 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 18:43:34,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17468 states. [2018-12-09 18:43:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17468 to 13687. [2018-12-09 18:43:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13687 states. [2018-12-09 18:43:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13687 states to 13687 states and 14929 transitions. [2018-12-09 18:43:34,907 INFO L78 Accepts]: Start accepts. Automaton has 13687 states and 14929 transitions. Word has length 645 [2018-12-09 18:43:34,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:34,907 INFO L480 AbstractCegarLoop]: Abstraction has 13687 states and 14929 transitions. [2018-12-09 18:43:34,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 18:43:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13687 states and 14929 transitions. [2018-12-09 18:43:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2018-12-09 18:43:34,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:34,911 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:43:34,911 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:34,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:34,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1967344282, now seen corresponding path program 1 times [2018-12-09 18:43:34,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:34,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:34,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:34,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:34,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-12-09 18:43:35,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:43:35,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:43:35,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:43:35,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:43:35,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:43:35,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:43:35,115 INFO L87 Difference]: Start difference. First operand 13687 states and 14929 transitions. Second operand 4 states. [2018-12-09 18:43:36,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:36,048 INFO L93 Difference]: Finished difference Result 29066 states and 32051 transitions. [2018-12-09 18:43:36,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:43:36,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 662 [2018-12-09 18:43:36,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:36,068 INFO L225 Difference]: With dead ends: 29066 [2018-12-09 18:43:36,068 INFO L226 Difference]: Without dead ends: 16061 [2018-12-09 18:43:36,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:43:36,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16061 states. [2018-12-09 18:43:36,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16061 to 15046. [2018-12-09 18:43:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15046 states. [2018-12-09 18:43:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15046 states to 15046 states and 16525 transitions. [2018-12-09 18:43:36,210 INFO L78 Accepts]: Start accepts. Automaton has 15046 states and 16525 transitions. Word has length 662 [2018-12-09 18:43:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:36,210 INFO L480 AbstractCegarLoop]: Abstraction has 15046 states and 16525 transitions. [2018-12-09 18:43:36,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:43:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 15046 states and 16525 transitions. [2018-12-09 18:43:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-12-09 18:43:36,218 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:36,218 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:43:36,218 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:36,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:36,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2055921906, now seen corresponding path program 1 times [2018-12-09 18:43:36,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:36,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:36,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:36,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:36,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 609 proven. 721 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2018-12-09 18:43:37,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:37,012 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:37,012 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-12-09 18:43:37,012 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:43:37,014 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:37,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:37,548 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:43:37,548 INFO L272 AbstractInterpreter]: Visited 260 different actions 1296 times. Merged at 10 different actions 39 times. Widened at 1 different actions 1 times. Performed 15811 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 18:43:37,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:37,551 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:43:37,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:37,551 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 [2018-12-09 18:43:37,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:37,557 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:43:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:37,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:43:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 1445 proven. 2 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2018-12-09 18:43:37,873 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:43:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 712 proven. 223 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2018-12-09 18:43:38,184 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:43:38,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 18:43:38,184 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:43:38,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 18:43:38,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 18:43:38,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-09 18:43:38,185 INFO L87 Difference]: Start difference. First operand 15046 states and 16525 transitions. Second operand 15 states. [2018-12-09 18:43:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:42,238 INFO L93 Difference]: Finished difference Result 30839 states and 34009 transitions. [2018-12-09 18:43:42,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-09 18:43:42,238 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 883 [2018-12-09 18:43:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:42,266 INFO L225 Difference]: With dead ends: 30839 [2018-12-09 18:43:42,266 INFO L226 Difference]: Without dead ends: 16475 [2018-12-09 18:43:42,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1854 GetRequests, 1796 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=661, Invalid=2645, Unknown=0, NotChecked=0, Total=3306 [2018-12-09 18:43:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16475 states. [2018-12-09 18:43:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16475 to 16078. [2018-12-09 18:43:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16078 states. [2018-12-09 18:43:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16078 states to 16078 states and 17358 transitions. [2018-12-09 18:43:42,415 INFO L78 Accepts]: Start accepts. Automaton has 16078 states and 17358 transitions. Word has length 883 [2018-12-09 18:43:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:42,416 INFO L480 AbstractCegarLoop]: Abstraction has 16078 states and 17358 transitions. [2018-12-09 18:43:42,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 18:43:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 16078 states and 17358 transitions. [2018-12-09 18:43:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2018-12-09 18:43:42,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:42,429 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-09 18:43:42,429 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:42,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:42,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1733531007, now seen corresponding path program 1 times [2018-12-09 18:43:42,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:42,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:42,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:42,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:42,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 866 proven. 228 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2018-12-09 18:43:43,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:43,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:43,101 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1330 with the following transitions: [2018-12-09 18:43:43,101 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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], [1256], [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], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:43:43,103 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:43,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:43,857 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:43:43,858 INFO L272 AbstractInterpreter]: Visited 287 different actions 1156 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 13922 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 18:43:43,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:43,859 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:43:43,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:43,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 [2018-12-09 18:43:43,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:43,866 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:43:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:44,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:43:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 2232 proven. 2 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2018-12-09 18:43:44,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:43:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 866 proven. 228 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2018-12-09 18:43:45,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:43:45,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 18:43:45,052 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:43:45,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:43:45,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:43:45,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:43:45,053 INFO L87 Difference]: Start difference. First operand 16078 states and 17358 transitions. Second operand 9 states. [2018-12-09 18:43:46,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:46,323 INFO L93 Difference]: Finished difference Result 31486 states and 34044 transitions. [2018-12-09 18:43:46,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 18:43:46,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1329 [2018-12-09 18:43:46,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:46,341 INFO L225 Difference]: With dead ends: 31486 [2018-12-09 18:43:46,341 INFO L226 Difference]: Without dead ends: 16090 [2018-12-09 18:43:46,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2675 GetRequests, 2659 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:43:46,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16090 states. [2018-12-09 18:43:46,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16090 to 14728. [2018-12-09 18:43:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14728 states. [2018-12-09 18:43:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14728 states to 14728 states and 15679 transitions. [2018-12-09 18:43:46,470 INFO L78 Accepts]: Start accepts. Automaton has 14728 states and 15679 transitions. Word has length 1329 [2018-12-09 18:43:46,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:46,470 INFO L480 AbstractCegarLoop]: Abstraction has 14728 states and 15679 transitions. [2018-12-09 18:43:46,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:43:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 14728 states and 15679 transitions. [2018-12-09 18:43:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1331 [2018-12-09 18:43:46,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:46,483 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-09 18:43:46,483 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:46,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:46,483 INFO L82 PathProgramCache]: Analyzing trace with hash -908609506, now seen corresponding path program 1 times [2018-12-09 18:43:46,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:46,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:46,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:46,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:46,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1800 proven. 664 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2018-12-09 18:43:47,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:47,454 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:47,454 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1331 with the following transitions: [2018-12-09 18:43:47,455 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], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [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], [1256], [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], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:43:47,457 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:47,457 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:48,251 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:43:48,251 INFO L272 AbstractInterpreter]: Visited 287 different actions 1156 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 13883 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13883 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 18:43:48,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:48,253 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:43:48,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:48,253 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/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 [2018-12-09 18:43:48,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:48,260 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:43:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:48,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:43:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2018-12-09 18:43:48,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:43:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2018-12-09 18:43:49,277 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:43:49,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 18:43:49,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:43:49,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:43:49,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:43:49,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:43:49,278 INFO L87 Difference]: Start difference. First operand 14728 states and 15679 transitions. Second operand 3 states. [2018-12-09 18:43:49,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:49,888 INFO L93 Difference]: Finished difference Result 29783 states and 31770 transitions. [2018-12-09 18:43:49,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:43:49,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1330 [2018-12-09 18:43:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:49,889 INFO L225 Difference]: With dead ends: 29783 [2018-12-09 18:43:49,890 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:43:49,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2674 GetRequests, 2662 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:43:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:43:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:43:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:43:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:43:49,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1330 [2018-12-09 18:43:49,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:49,904 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:43:49,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:43:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:43:49,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:43:49,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:43:49,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,088 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2018-12-09 18:43:50,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:43:50,574 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2018-12-09 18:43:51,092 WARN L180 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 48 [2018-12-09 18:43:51,809 WARN L180 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 88 [2018-12-09 18:43:52,585 WARN L180 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 82 [2018-12-09 18:43:53,512 WARN L180 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 105 [2018-12-09 18:43:54,152 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 48 [2018-12-09 18:43:54,153 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,154 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse18 (= |old(~a16~0)| ~a16~0)) (.cse17 (= 3 |old(~a15~0)|)) (.cse16 (= 5 |old(~a12~0)|)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse4 (= 12 |old(~a16~0)|))) (let ((.cse1 (not .cse4)) (.cse6 (< 0 (+ |old(~a18~0)| 79))) (.cse7 (<= (+ ~a18~0 79) 0)) (.cse12 (not (= 8 |old(~a12~0)|))) (.cse2 (and .cse20 (= ~a16~0 |old(~a16~0)|) .cse19)) (.cse10 (= 6 |old(~a12~0)|)) (.cse9 (< |old(~a12~0)| 9)) (.cse0 (= 4 |old(~a15~0)|)) (.cse5 (= 10 |old(~a16~0)|)) (.cse8 (< 6 |old(~a12~0)|)) (.cse3 (and .cse17 .cse16 (= 8 |old(~a16~0)|))) (.cse11 (and .cse18 .cse20 .cse19))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse3 .cse4 .cse6 .cse7) (or .cse4 .cse9 .cse5 .cse6 .cse2) (or (or .cse10 .cse0 .cse1 .cse6) .cse7) (or .cse4 .cse11 .cse12 .cse5) (or .cse11 (or .cse0 .cse12)) (or .cse3 .cse4 .cse5 .cse2 (< 7 |old(~a12~0)|)) (or .cse9 .cse2 (< 8 |old(~a16~0)|)) (or (= (+ ~a18~0 87) 0) (let ((.cse13 (not .cse17)) (.cse14 (not (= (+ |old(~a18~0)| 87) 0))) (.cse15 (not (= 11 |old(~a16~0)|)))) (and (or .cse13 .cse14 (not .cse10) .cse15) (or .cse13 (not .cse16) .cse14 .cse15)))) (or (and .cse18 (= ~a15~0 |old(~a15~0)|) .cse19) (or .cse9 .cse0) .cse5) (or .cse8 .cse3 .cse4 .cse11)))) [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,155 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,156 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse13 (= |old(~a16~0)| ~a16~0)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= |old(~a12~0)| ~a12~0)) (.cse19 (+ ~a18~0 79))) (let ((.cse1 (< 8 |old(~a16~0)|)) (.cse7 (= (+ ~a18~0 87) 0)) (.cse6 (not (= (+ |old(~a18~0)| 87) 0))) (.cse8 (not (= ~a15~0 3))) (.cse18 (not (= 7 |old(~a12~0)|))) (.cse17 (= 6 |old(~a12~0)|)) (.cse12 (<= .cse19 0)) (.cse3 (not (= 5 |old(~a12~0)|))) (.cse0 (and .cse20 .cse21 .cse14)) (.cse9 (< 6 |old(~a12~0)|)) (.cse22 (not (= calculate_output_~input 0))) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse4 (not (= 11 |old(~a16~0)|))) (.cse11 (< 0 (+ |old(~a18~0)| 79))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse16 (= 4 |old(~a15~0)|)) (.cse10 (= 12 |old(~a16~0)|)) (.cse23 (not (= 8 |old(~a12~0)|))) (.cse15 (= 10 |old(~a16~0)|)) (.cse24 (and .cse13 .cse20 .cse14))) (and (or .cse0 .cse1) (or (or .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) .cse8) .cse1) (or .cse9 .cse10 .cse11 .cse12) (or (and .cse13 (= ~a15~0 |old(~a15~0)|) .cse14) .cse15 .cse16) (or .cse9 .cse10 .cse0) (or .cse7 .cse5 (or .cse2 (not .cse17) .cse4) .cse6) (or .cse10 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse18 .cse8 (< 0 .cse19)) .cse20 .cse21 .cse14) .cse15 (< 7 |old(~a12~0)|)) (or .cse22 .cse18 (or .cse2 .cse5) .cse4) (or .cse10 .cse15 .cse12 .cse11) (or (or .cse17 .cse16 (not .cse10) .cse11) .cse12) (or .cse22 (or .cse2 .cse3 (= 0 |old(~a16~0)|) .cse5)) (or .cse10 .cse15 .cse11 .cse0) (or .cse9 .cse22 (or .cse2 (= 0 |old(~a12~0)|) .cse4 .cse11 .cse5)) (or (or .cse16 .cse23) .cse24) (or .cse10 .cse23 .cse15 .cse24)))) [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,157 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,158 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,159 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,160 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,161 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse15 (+ |old(~a18~0)| 79)) (.cse16 (+ ~a18~0 79))) (let ((.cse1 (= (+ ~a18~0 87) 0)) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse6 (not (= (+ |old(~a18~0)| 87) 0))) (.cse4 (= 6 |old(~a12~0)|)) (.cse12 (= 4 |old(~a15~0)|)) (.cse13 (not (= 8 |old(~a12~0)|))) (.cse10 (= 10 |old(~a16~0)|)) (.cse0 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse14 (< 6 |old(~a12~0)|)) (.cse8 (= 12 |old(~a16~0)|)) (.cse9 (<= .cse16 0)) (.cse11 (< 0 .cse15)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse7 (not (= 5 |old(~a12~0)|))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or (< 8 |old(~a16~0)|) .cse0) (or .cse1 .cse2 (or .cse3 (not .cse4) .cse5) .cse6) (or .cse1 (or .cse3 .cse7 .cse5 .cse2 .cse6)) (or .cse8 .cse9 .cse10 .cse11) (or (or .cse4 .cse12 (not .cse8) .cse11) .cse9) (or .cse8 .cse0 .cse13 .cse10) (or .cse0 .cse10 .cse12) (or .cse8 .cse10 .cse0 (< 7 |old(~a12~0)|)) (or .cse14 .cse8 .cse0) (or (or .cse12 .cse13) .cse0) (or .cse8 .cse10 .cse11 .cse0) (or .cse14 .cse8 .cse9 .cse11) (or (or (not (= 8 |old(~a16~0)|)) .cse3 .cse7) (and (<= .cse15 0) (< 0 (+ |old(~a18~0)| 156))) .cse2 (or (<= (+ ~a18~0 156) 0) (< 0 .cse16)))))) [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,162 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,163 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,164 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,165 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 18:43:54,166 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,167 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,168 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,169 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 18:43:54,170 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:43:54,170 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:43:54,170 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-12-09 18:43:54,171 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 18:43:54,171 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse1 (not (= ~a16~0 12))) (.cse3 (not (= ~a15~0 4))) (.cse2 (not (= 10 ~a16~0)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= ~a12~0 6)) (and .cse1 (<= ~a12~0 7) .cse2) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3) (and (<= (+ ~a18~0 79) 0) .cse1 .cse2) (and .cse3 .cse2))) [2018-12-09 18:43:54,171 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 18:43:54,171 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 18:43:54,171 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse3 (not (= ~a15~0 4))) (.cse1 (not (= ~a16~0 12))) (.cse2 (not (= 10 ~a16~0)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= ~a12~0 6)) (and .cse2 .cse3) (and .cse1 (<= ~a12~0 7) .cse2) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3) (and (<= (+ ~a18~0 79) 0) .cse1 .cse2))) [2018-12-09 18:43:54,171 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 18:43:54,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:43:54 BoogieIcfgContainer [2018-12-09 18:43:54,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:43:54,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:43:54,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:43:54,178 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:43:54,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:39:41" (3/4) ... [2018-12-09 18:43:54,181 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:43:54,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:43:54,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 18:43:54,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 18:43:54,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:43:54,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 18:43:54,197 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:43:54,215 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || (!(10 == a16) && !(a15 == 4))) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) [2018-12-09 18:43:54,324 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94b55479-f7a5-4c14-9a88-f32968820fbd/bin-2019/utaipan/witness.graphml [2018-12-09 18:43:54,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:43:54,324 INFO L168 Benchmark]: Toolchain (without parser) took 254356.99 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 948.6 MB in the beginning and 4.7 GB in the end (delta: -3.8 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,325 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:43:54,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 948.6 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,325 INFO L168 Benchmark]: Boogie Preprocessor took 79.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,325 INFO L168 Benchmark]: RCFGBuilder took 1286.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 784.7 MB in the end (delta: 249.3 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,326 INFO L168 Benchmark]: TraceAbstraction took 252234.61 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 784.7 MB in the beginning and 1.0 GB in the end (delta: -260.6 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,326 INFO L168 Benchmark]: Witness Printer took 146.07 ms. Allocated memory was 5.0 GB in the beginning and 5.0 GB in the end (delta: -5.2 MB). Free memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:43:54,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 574.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 948.6 MB in the beginning and 1.0 GB in the end (delta: -96.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1286.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 784.7 MB in the end (delta: 249.3 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 252234.61 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 784.7 MB in the beginning and 1.0 GB in the end (delta: -260.6 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 146.07 ms. Allocated memory was 5.0 GB in the beginning and 5.0 GB in the end (delta: -5.2 MB). Free memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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 Derived loop invariant: (((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || (!(10 == a16) && !(a15 == 4))) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 252.1s OverallTime, 16 OverallIterations, 8 TraceHistogramMax, 231.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2508 SDtfs, 26090 SDslu, 1290 SDs, 0 SdLazy, 31806 SolverSat, 6546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 209.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 11622 GetRequests, 11369 SyntacticMatches, 13 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1983 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16078occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9981499325808565 AbsIntWeakeningRatio, 0.06656426011264721 AbsIntAvgWeakeningVarsNumRemoved, 16.127496159754223 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 7059 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1218 PreInvPairs, 1392 NumberOfFragments, 1195 HoareAnnotationTreeSize, 1218 FomulaSimplifications, 74172 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 58047 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 12819 NumberOfCodeBlocks, 12819 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 17484 ConstructedInterpolants, 0 QuantifiedInterpolants, 39401317 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6237 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 27803/30785 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...