./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label35_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_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label35_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/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 c7f4654ff67788aa54aaf551606d5d8c93a335a5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:31:06,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:31:06,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:31:06,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:31:06,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:31:06,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:31:06,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:31:06,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:31:06,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:31:06,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:31:06,926 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:31:06,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:31:06,927 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:31:06,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:31:06,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:31:06,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:31:06,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:31:06,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:31:06,931 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:31:06,932 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:31:06,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:31:06,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:31:06,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:31:06,934 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:31:06,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:31:06,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:31:06,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:31:06,936 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:31:06,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:31:06,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:31:06,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:31:06,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:31:06,937 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:31:06,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:31:06,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:31:06,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:31:06,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:31:06,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:31:06,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:31:06,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:31:06,947 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:31:06,947 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:31:06,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:31:06,948 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:31:06,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:31:06,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:31:06,949 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:31:06,950 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:31:06,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:31:06,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:31:06,950 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:31:06,950 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_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/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 -> c7f4654ff67788aa54aaf551606d5d8c93a335a5 [2018-12-08 18:31:06,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:31:06,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:31:06,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:31:06,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:31:06,981 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:31:06,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label35_true-unreach-call.c [2018-12-08 18:31:07,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/data/8002ef79c/ad7911e0def74e5cad562490555ab07e/FLAG477e7a83e [2018-12-08 18:31:07,448 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:31:07,449 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/sv-benchmarks/c/eca-rers2012/Problem16_label35_true-unreach-call.c [2018-12-08 18:31:07,457 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/data/8002ef79c/ad7911e0def74e5cad562490555ab07e/FLAG477e7a83e [2018-12-08 18:31:07,760 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/data/8002ef79c/ad7911e0def74e5cad562490555ab07e [2018-12-08 18:31:07,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:31:07,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:31:07,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:31:07,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:31:07,778 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:31:07,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:31:07" (1/1) ... [2018-12-08 18:31:07,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b0ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:07, skipping insertion in model container [2018-12-08 18:31:07,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:31:07" (1/1) ... [2018-12-08 18:31:07,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:31:07,856 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:31:08,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:31:08,154 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:31:08,328 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:31:08,339 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:31:08,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08 WrapperNode [2018-12-08 18:31:08,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:31:08,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:31:08,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:31:08,340 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:31:08,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:31:08,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:31:08,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:31:08,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:31:08,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... [2018-12-08 18:31:08,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:31:08,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:31:08,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:31:08,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:31:08,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:31:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:31:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:31:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-08 18:31:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-08 18:31:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 18:31:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 18:31:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:31:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:31:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:31:08,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:31:09,752 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:31:09,752 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 18:31:09,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:31:09 BoogieIcfgContainer [2018-12-08 18:31:09,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:31:09,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:31:09,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:31:09,756 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:31:09,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:31:07" (1/3) ... [2018-12-08 18:31:09,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cac2855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:31:09, skipping insertion in model container [2018-12-08 18:31:09,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:31:08" (2/3) ... [2018-12-08 18:31:09,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cac2855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:31:09, skipping insertion in model container [2018-12-08 18:31:09,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:31:09" (3/3) ... [2018-12-08 18:31:09,758 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label35_true-unreach-call.c [2018-12-08 18:31:09,764 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:31:09,769 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:31:09,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:31:09,800 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:31:09,801 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:31:09,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:31:09,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:31:09,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:31:09,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:31:09,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:31:09,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:31:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-08 18:31:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 18:31:09,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:09,823 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] [2018-12-08 18:31:09,824 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:09,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:09,828 INFO L82 PathProgramCache]: Analyzing trace with hash 338381554, now seen corresponding path program 1 times [2018-12-08 18:31:09,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:09,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:09,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:09,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:09,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:31:09,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:31:09,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:31:09,989 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:09,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:31:10,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:31:10,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:31:10,002 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-12-08 18:31:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:31:11,615 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-12-08 18:31:11,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:31:11,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-12-08 18:31:11,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:31:11,628 INFO L225 Difference]: With dead ends: 1509 [2018-12-08 18:31:11,629 INFO L226 Difference]: Without dead ends: 1019 [2018-12-08 18:31:11,633 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 [2018-12-08 18:31:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-12-08 18:31:11,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 682. [2018-12-08 18:31:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-08 18:31:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1190 transitions. [2018-12-08 18:31:11,686 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1190 transitions. Word has length 47 [2018-12-08 18:31:11,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:31:11,687 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1190 transitions. [2018-12-08 18:31:11,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:31:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1190 transitions. [2018-12-08 18:31:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 18:31:11,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:11,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:31:11,690 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:11,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:11,691 INFO L82 PathProgramCache]: Analyzing trace with hash -8457825, now seen corresponding path program 1 times [2018-12-08 18:31:11,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:11,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:11,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:11,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:11,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:31:11,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:31:11,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:31:11,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:11,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:31:11,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:31:11,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:31:11,805 INFO L87 Difference]: Start difference. First operand 682 states and 1190 transitions. Second operand 5 states. [2018-12-08 18:31:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:31:13,004 INFO L93 Difference]: Finished difference Result 2068 states and 3645 transitions. [2018-12-08 18:31:13,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:31:13,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-12-08 18:31:13,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:31:13,012 INFO L225 Difference]: With dead ends: 2068 [2018-12-08 18:31:13,013 INFO L226 Difference]: Without dead ends: 1392 [2018-12-08 18:31:13,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:31:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-08 18:31:13,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1374. [2018-12-08 18:31:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-12-08 18:31:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2277 transitions. [2018-12-08 18:31:13,057 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2277 transitions. Word has length 116 [2018-12-08 18:31:13,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:31:13,058 INFO L480 AbstractCegarLoop]: Abstraction has 1374 states and 2277 transitions. [2018-12-08 18:31:13,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:31:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2277 transitions. [2018-12-08 18:31:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 18:31:13,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:13,060 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:31:13,060 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:13,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:13,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1750756938, now seen corresponding path program 1 times [2018-12-08 18:31:13,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:13,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:13,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:13,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:13,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:31:13,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:31:13,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:31:13,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:13,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:31:13,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:31:13,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:31:13,162 INFO L87 Difference]: Start difference. First operand 1374 states and 2277 transitions. Second operand 6 states. [2018-12-08 18:31:14,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:31:14,391 INFO L93 Difference]: Finished difference Result 3463 states and 5746 transitions. [2018-12-08 18:31:14,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:31:14,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-12-08 18:31:14,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:31:14,397 INFO L225 Difference]: With dead ends: 3463 [2018-12-08 18:31:14,397 INFO L226 Difference]: Without dead ends: 2095 [2018-12-08 18:31:14,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:31:14,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-08 18:31:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2077. [2018-12-08 18:31:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2077 states. [2018-12-08 18:31:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3299 transitions. [2018-12-08 18:31:14,432 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3299 transitions. Word has length 119 [2018-12-08 18:31:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:31:14,432 INFO L480 AbstractCegarLoop]: Abstraction has 2077 states and 3299 transitions. [2018-12-08 18:31:14,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:31:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3299 transitions. [2018-12-08 18:31:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 18:31:14,433 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:14,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:31:14,433 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:14,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:14,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1833499239, now seen corresponding path program 1 times [2018-12-08 18:31:14,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:14,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:14,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:14,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:14,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:31:14,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:31:14,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:31:14,492 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:14,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:31:14,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:31:14,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:31:14,493 INFO L87 Difference]: Start difference. First operand 2077 states and 3299 transitions. Second operand 6 states. [2018-12-08 18:31:15,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:31:15,691 INFO L93 Difference]: Finished difference Result 4874 states and 7768 transitions. [2018-12-08 18:31:15,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:31:15,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-12-08 18:31:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:31:15,698 INFO L225 Difference]: With dead ends: 4874 [2018-12-08 18:31:15,698 INFO L226 Difference]: Without dead ends: 2803 [2018-12-08 18:31:15,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:31:15,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2018-12-08 18:31:15,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2790. [2018-12-08 18:31:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2018-12-08 18:31:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 4061 transitions. [2018-12-08 18:31:15,742 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 4061 transitions. Word has length 120 [2018-12-08 18:31:15,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:31:15,742 INFO L480 AbstractCegarLoop]: Abstraction has 2790 states and 4061 transitions. [2018-12-08 18:31:15,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:31:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 4061 transitions. [2018-12-08 18:31:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 18:31:15,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:15,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:31:15,744 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:15,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:15,744 INFO L82 PathProgramCache]: Analyzing trace with hash 2059459070, now seen corresponding path program 1 times [2018-12-08 18:31:15,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:15,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:15,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:15,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:15,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:31:15,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:31:15,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:31:15,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:15,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:31:15,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:31:15,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:31:15,820 INFO L87 Difference]: Start difference. First operand 2790 states and 4061 transitions. Second operand 6 states. [2018-12-08 18:31:17,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:31:17,154 INFO L93 Difference]: Finished difference Result 7362 states and 11039 transitions. [2018-12-08 18:31:17,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:31:17,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-08 18:31:17,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:31:17,164 INFO L225 Difference]: With dead ends: 7362 [2018-12-08 18:31:17,164 INFO L226 Difference]: Without dead ends: 4578 [2018-12-08 18:31:17,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:31:17,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2018-12-08 18:31:17,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4526. [2018-12-08 18:31:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4526 states. [2018-12-08 18:31:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 4526 states and 6572 transitions. [2018-12-08 18:31:17,235 INFO L78 Accepts]: Start accepts. Automaton has 4526 states and 6572 transitions. Word has length 123 [2018-12-08 18:31:17,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:31:17,235 INFO L480 AbstractCegarLoop]: Abstraction has 4526 states and 6572 transitions. [2018-12-08 18:31:17,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:31:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 4526 states and 6572 transitions. [2018-12-08 18:31:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 18:31:17,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:17,236 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 18:31:17,236 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:17,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:17,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1922288270, now seen corresponding path program 1 times [2018-12-08 18:31:17,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:17,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:17,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:17,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:17,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:31:17,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:31:17,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:31:17,335 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:17,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:31:17,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:31:17,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:31:17,336 INFO L87 Difference]: Start difference. First operand 4526 states and 6572 transitions. Second operand 6 states. [2018-12-08 18:31:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:31:18,465 INFO L93 Difference]: Finished difference Result 12150 states and 17943 transitions. [2018-12-08 18:31:18,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:31:18,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-12-08 18:31:18,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:31:18,481 INFO L225 Difference]: With dead ends: 12150 [2018-12-08 18:31:18,481 INFO L226 Difference]: Without dead ends: 7630 [2018-12-08 18:31:18,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:31:18,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7630 states. [2018-12-08 18:31:18,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7630 to 6239. [2018-12-08 18:31:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6239 states. [2018-12-08 18:31:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 8457 transitions. [2018-12-08 18:31:18,584 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 8457 transitions. Word has length 131 [2018-12-08 18:31:18,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:31:18,584 INFO L480 AbstractCegarLoop]: Abstraction has 6239 states and 8457 transitions. [2018-12-08 18:31:18,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:31:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 8457 transitions. [2018-12-08 18:31:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 18:31:18,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:31:18,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:31:18,585 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:31:18,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:18,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1219597803, now seen corresponding path program 1 times [2018-12-08 18:31:18,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:31:18,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:18,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:31:18,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:31:18,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:31:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:31:18,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:31:18,632 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:31:18,633 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-08 18:31:18,634 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:31:18,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:31:18,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:31:18,980 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 18:31:18,981 INFO L272 AbstractInterpreter]: Visited 98 different actions 281 times. Merged at 4 different actions 7 times. Never widened. Performed 2532 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2532 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 18:31:18,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:31:18,986 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 18:31:19,164 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 80.96% of their original sizes. [2018-12-08 18:31:19,164 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 18:31:19,203 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-08 18:31:19,203 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 18:31:19,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:31:19,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-12-08 18:31:19,204 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:31:19,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 18:31:19,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 18:31:19,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:31:19,204 INFO L87 Difference]: Start difference. First operand 6239 states and 8457 transitions. Second operand 10 states. [2018-12-08 18:32:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:32:58,644 INFO L93 Difference]: Finished difference Result 14564 states and 19550 transitions. [2018-12-08 18:32:58,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 18:32:58,644 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2018-12-08 18:32:58,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:32:58,661 INFO L225 Difference]: With dead ends: 14564 [2018-12-08 18:32:58,661 INFO L226 Difference]: Without dead ends: 8331 [2018-12-08 18:32:58,669 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 18:32:58,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8331 states. [2018-12-08 18:32:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8331 to 7618. [2018-12-08 18:32:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7618 states. [2018-12-08 18:32:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7618 states to 7618 states and 10029 transitions. [2018-12-08 18:32:58,779 INFO L78 Accepts]: Start accepts. Automaton has 7618 states and 10029 transitions. Word has length 138 [2018-12-08 18:32:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:32:58,780 INFO L480 AbstractCegarLoop]: Abstraction has 7618 states and 10029 transitions. [2018-12-08 18:32:58,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 18:32:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7618 states and 10029 transitions. [2018-12-08 18:32:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-12-08 18:32:58,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:32:58,784 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 18:32:58,785 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:32:58,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:32:58,785 INFO L82 PathProgramCache]: Analyzing trace with hash -97992789, now seen corresponding path program 1 times [2018-12-08 18:32:58,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:32:58,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:32:58,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:32:58,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:32:58,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:32:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 175 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 18:32:59,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:32:59,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:32:59,242 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 449 with the following transitions: [2018-12-08 18:32:59,242 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:32:59,248 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:32:59,248 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:32:59,552 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 18:32:59,552 INFO L272 AbstractInterpreter]: Visited 247 different actions 981 times. Merged at 6 different actions 23 times. Widened at 1 different actions 1 times. Performed 11344 root evaluator evaluations with a maximum evaluation depth of 9. Performed 11344 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 18:32:59,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:32:59,554 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 18:32:59,792 INFO L227 lantSequenceWeakener]: Weakened 445 states. On average, predicates are now at 80.3% of their original sizes. [2018-12-08 18:32:59,792 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 18:32:59,837 INFO L418 sIntCurrentIteration]: We unified 447 AI predicates to 447 [2018-12-08 18:32:59,837 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 18:32:59,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:32:59,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-08 18:32:59,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:32:59,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:32:59,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:32:59,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:32:59,838 INFO L87 Difference]: Start difference. First operand 7618 states and 10029 transitions. Second operand 9 states. [2018-12-08 18:33:16,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:16,079 INFO L93 Difference]: Finished difference Result 9339 states and 12008 transitions. [2018-12-08 18:33:16,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 18:33:16,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 448 [2018-12-08 18:33:16,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:16,090 INFO L225 Difference]: With dead ends: 9339 [2018-12-08 18:33:16,090 INFO L226 Difference]: Without dead ends: 9337 [2018-12-08 18:33:16,092 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 454 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 18:33:16,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9337 states. [2018-12-08 18:33:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9337 to 8638. [2018-12-08 18:33:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8638 states. [2018-12-08 18:33:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8638 states to 8638 states and 11173 transitions. [2018-12-08 18:33:16,179 INFO L78 Accepts]: Start accepts. Automaton has 8638 states and 11173 transitions. Word has length 448 [2018-12-08 18:33:16,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:16,180 INFO L480 AbstractCegarLoop]: Abstraction has 8638 states and 11173 transitions. [2018-12-08 18:33:16,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:33:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 8638 states and 11173 transitions. [2018-12-08 18:33:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-12-08 18:33:16,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:16,185 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:33:16,186 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:16,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:16,186 INFO L82 PathProgramCache]: Analyzing trace with hash -843357829, now seen corresponding path program 1 times [2018-12-08 18:33:16,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:16,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:16,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:16,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:16,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-08 18:33:16,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:33:16,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:33:16,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:33:16,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:33:16,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:33:16,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:33:16,354 INFO L87 Difference]: Start difference. First operand 8638 states and 11173 transitions. Second operand 4 states. [2018-12-08 18:33:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:20,014 INFO L93 Difference]: Finished difference Result 22696 states and 29716 transitions. [2018-12-08 18:33:20,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:33:20,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 484 [2018-12-08 18:33:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:20,036 INFO L225 Difference]: With dead ends: 22696 [2018-12-08 18:33:20,036 INFO L226 Difference]: Without dead ends: 14401 [2018-12-08 18:33:20,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:33:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14401 states. [2018-12-08 18:33:20,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14401 to 13386. [2018-12-08 18:33:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13386 states. [2018-12-08 18:33:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13386 states to 13386 states and 16810 transitions. [2018-12-08 18:33:20,182 INFO L78 Accepts]: Start accepts. Automaton has 13386 states and 16810 transitions. Word has length 484 [2018-12-08 18:33:20,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:20,182 INFO L480 AbstractCegarLoop]: Abstraction has 13386 states and 16810 transitions. [2018-12-08 18:33:20,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:33:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13386 states and 16810 transitions. [2018-12-08 18:33:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2018-12-08 18:33:20,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:20,187 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:33:20,187 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:20,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:20,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1498353006, now seen corresponding path program 1 times [2018-12-08 18:33:20,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:20,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:20,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:20,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:20,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 382 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 18:33:20,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:20,394 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:33:20,394 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 548 with the following transitions: [2018-12-08 18:33:20,395 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [924], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:33:20,398 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:33:20,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:33:20,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:33:20,740 INFO L272 AbstractInterpreter]: Visited 249 different actions 742 times. Merged at 7 different actions 17 times. Never widened. Performed 8384 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8384 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 18:33:20,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:20,743 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:33:20,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:20,743 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:33:20,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:20,749 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:33:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:20,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:33:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 382 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 18:33:20,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:33:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 382 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-08 18:33:21,139 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:33:21,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 18:33:21,139 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:33:21,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:33:21,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:33:21,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:33:21,140 INFO L87 Difference]: Start difference. First operand 13386 states and 16810 transitions. Second operand 9 states. [2018-12-08 18:33:25,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:25,070 INFO L93 Difference]: Finished difference Result 29123 states and 38053 transitions. [2018-12-08 18:33:25,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 18:33:25,070 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 547 [2018-12-08 18:33:25,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:25,101 INFO L225 Difference]: With dead ends: 29123 [2018-12-08 18:33:25,102 INFO L226 Difference]: Without dead ends: 16080 [2018-12-08 18:33:25,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1123 GetRequests, 1101 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-08 18:33:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16080 states. [2018-12-08 18:33:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16080 to 14308. [2018-12-08 18:33:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14308 states. [2018-12-08 18:33:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14308 states to 14308 states and 17705 transitions. [2018-12-08 18:33:25,298 INFO L78 Accepts]: Start accepts. Automaton has 14308 states and 17705 transitions. Word has length 547 [2018-12-08 18:33:25,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:25,299 INFO L480 AbstractCegarLoop]: Abstraction has 14308 states and 17705 transitions. [2018-12-08 18:33:25,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:33:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 14308 states and 17705 transitions. [2018-12-08 18:33:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2018-12-08 18:33:25,306 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:25,306 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:33:25,307 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:25,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:25,307 INFO L82 PathProgramCache]: Analyzing trace with hash 149106550, now seen corresponding path program 1 times [2018-12-08 18:33:25,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:25,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:25,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:25,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:25,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 285 proven. 132 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-08 18:33:25,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:25,556 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:33:25,556 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 582 with the following transitions: [2018-12-08 18:33:25,556 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [924], [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], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:33:25,559 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:33:25,559 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:33:25,911 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:33:25,912 INFO L272 AbstractInterpreter]: Visited 249 different actions 986 times. Merged at 7 different actions 22 times. Never widened. Performed 11420 root evaluator evaluations with a maximum evaluation depth of 15. Performed 11420 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 18:33:25,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:25,913 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:33:25,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:25,913 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:33:25,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:25,919 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:33:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:26,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:33:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 504 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-08 18:33:26,122 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:33:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 285 proven. 132 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-08 18:33:26,305 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:33:26,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 18:33:26,305 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:33:26,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:33:26,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:33:26,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:33:26,306 INFO L87 Difference]: Start difference. First operand 14308 states and 17705 transitions. Second operand 9 states. [2018-12-08 18:33:30,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:30,753 INFO L93 Difference]: Finished difference Result 30458 states and 41111 transitions. [2018-12-08 18:33:30,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 18:33:30,753 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 581 [2018-12-08 18:33:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:30,794 INFO L225 Difference]: With dead ends: 30458 [2018-12-08 18:33:30,794 INFO L226 Difference]: Without dead ends: 17167 [2018-12-08 18:33:30,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1191 GetRequests, 1169 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2018-12-08 18:33:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17167 states. [2018-12-08 18:33:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17167 to 16100. [2018-12-08 18:33:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16100 states. [2018-12-08 18:33:31,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16100 states to 16100 states and 21019 transitions. [2018-12-08 18:33:31,091 INFO L78 Accepts]: Start accepts. Automaton has 16100 states and 21019 transitions. Word has length 581 [2018-12-08 18:33:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:31,092 INFO L480 AbstractCegarLoop]: Abstraction has 16100 states and 21019 transitions. [2018-12-08 18:33:31,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:33:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 16100 states and 21019 transitions. [2018-12-08 18:33:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2018-12-08 18:33:31,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:31,099 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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] [2018-12-08 18:33:31,099 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:31,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1069000802, now seen corresponding path program 1 times [2018-12-08 18:33:31,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:31,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:31,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:31,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:31,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 494 proven. 132 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-08 18:33:31,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:31,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:33:31,526 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 744 with the following transitions: [2018-12-08 18:33:31,527 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [924], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:33:31,529 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:33:31,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:33:31,972 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:33:31,972 INFO L272 AbstractInterpreter]: Visited 250 different actions 1245 times. Merged at 8 different actions 38 times. Never widened. Performed 14634 root evaluator evaluations with a maximum evaluation depth of 15. Performed 14634 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 18:33:31,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:31,976 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:33:31,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:31,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:33:31,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:31,982 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:33:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:32,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:33:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 18:33:32,226 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:33:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 494 proven. 132 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-08 18:33:32,477 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:33:32,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 18:33:32,478 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:33:32,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:33:32,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:33:32,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:33:32,479 INFO L87 Difference]: Start difference. First operand 16100 states and 21019 transitions. Second operand 9 states. [2018-12-08 18:33:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:35,605 INFO L93 Difference]: Finished difference Result 30736 states and 39975 transitions. [2018-12-08 18:33:35,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 18:33:35,606 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 743 [2018-12-08 18:33:35,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:35,638 INFO L225 Difference]: With dead ends: 30736 [2018-12-08 18:33:35,638 INFO L226 Difference]: Without dead ends: 15653 [2018-12-08 18:33:35,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1509 GetRequests, 1490 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:33:35,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15653 states. [2018-12-08 18:33:35,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15653 to 14667. [2018-12-08 18:33:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14667 states. [2018-12-08 18:33:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14667 states to 14667 states and 17290 transitions. [2018-12-08 18:33:35,856 INFO L78 Accepts]: Start accepts. Automaton has 14667 states and 17290 transitions. Word has length 743 [2018-12-08 18:33:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:35,856 INFO L480 AbstractCegarLoop]: Abstraction has 14667 states and 17290 transitions. [2018-12-08 18:33:35,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:33:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 14667 states and 17290 transitions. [2018-12-08 18:33:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2018-12-08 18:33:35,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:35,863 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 18:33:35,863 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:35,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:35,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1508641207, now seen corresponding path program 1 times [2018-12-08 18:33:35,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:35,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:35,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:35,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:35,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 519 proven. 39 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 18:33:36,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:36,240 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:33:36,240 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 805 with the following transitions: [2018-12-08 18:33:36,241 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [924], [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], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:33:36,243 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:33:36,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:33:36,606 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:33:36,606 INFO L272 AbstractInterpreter]: Visited 250 different actions 994 times. Merged at 8 different actions 26 times. Never widened. Performed 11535 root evaluator evaluations with a maximum evaluation depth of 15. Performed 11535 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 18:33:36,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:36,610 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:33:36,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:36,610 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:33:36,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:36,615 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:33:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:36,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:33:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2018-12-08 18:33:36,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:33:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2018-12-08 18:33:37,041 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:33:37,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-08 18:33:37,041 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:33:37,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:33:37,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:33:37,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:33:37,042 INFO L87 Difference]: Start difference. First operand 14667 states and 17290 transitions. Second operand 3 states. [2018-12-08 18:33:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:37,907 INFO L93 Difference]: Finished difference Result 28317 states and 33521 transitions. [2018-12-08 18:33:37,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:33:37,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 804 [2018-12-08 18:33:37,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:37,928 INFO L225 Difference]: With dead ends: 28317 [2018-12-08 18:33:37,928 INFO L226 Difference]: Without dead ends: 14667 [2018-12-08 18:33:37,943 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1614 GetRequests, 1609 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:33:37,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14667 states. [2018-12-08 18:33:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14667 to 13981. [2018-12-08 18:33:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13981 states. [2018-12-08 18:33:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13981 states to 13981 states and 16378 transitions. [2018-12-08 18:33:38,097 INFO L78 Accepts]: Start accepts. Automaton has 13981 states and 16378 transitions. Word has length 804 [2018-12-08 18:33:38,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:38,097 INFO L480 AbstractCegarLoop]: Abstraction has 13981 states and 16378 transitions. [2018-12-08 18:33:38,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:33:38,097 INFO L276 IsEmpty]: Start isEmpty. Operand 13981 states and 16378 transitions. [2018-12-08 18:33:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2018-12-08 18:33:38,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:38,112 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:33:38,112 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:38,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:38,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1980614999, now seen corresponding path program 1 times [2018-12-08 18:33:38,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:38,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:38,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:38,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:38,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2153 backedges. 1311 proven. 156 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2018-12-08 18:33:38,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:38,728 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:33:38,728 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1077 with the following transitions: [2018-12-08 18:33:38,729 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [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], [1036], [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], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:33:38,731 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:33:38,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:33:38,969 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 18:33:38,969 INFO L272 AbstractInterpreter]: Visited 261 different actions 770 times. Merged at 4 different actions 7 times. Never widened. Performed 8942 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8942 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 18:33:38,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:38,970 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 18:33:39,474 INFO L227 lantSequenceWeakener]: Weakened 1073 states. On average, predicates are now at 80.15% of their original sizes. [2018-12-08 18:33:39,474 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 18:33:39,535 INFO L418 sIntCurrentIteration]: We unified 1075 AI predicates to 1075 [2018-12-08 18:33:39,536 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 18:33:39,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:33:39,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-08 18:33:39,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:33:39,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:33:39,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:33:39,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:33:39,537 INFO L87 Difference]: Start difference. First operand 13981 states and 16378 transitions. Second operand 9 states. [2018-12-08 18:33:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:54,979 INFO L93 Difference]: Finished difference Result 27629 states and 32416 transitions. [2018-12-08 18:33:54,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 18:33:54,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1076 [2018-12-08 18:33:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:54,995 INFO L225 Difference]: With dead ends: 27629 [2018-12-08 18:33:54,995 INFO L226 Difference]: Without dead ends: 13991 [2018-12-08 18:33:55,005 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 1082 GetRequests, 1068 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 18:33:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13991 states. [2018-12-08 18:33:55,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13991 to 13981. [2018-12-08 18:33:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13981 states. [2018-12-08 18:33:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13981 states to 13981 states and 16362 transitions. [2018-12-08 18:33:55,144 INFO L78 Accepts]: Start accepts. Automaton has 13981 states and 16362 transitions. Word has length 1076 [2018-12-08 18:33:55,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:55,144 INFO L480 AbstractCegarLoop]: Abstraction has 13981 states and 16362 transitions. [2018-12-08 18:33:55,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:33:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 13981 states and 16362 transitions. [2018-12-08 18:33:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2018-12-08 18:33:55,158 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:55,159 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, 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, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:33:55,159 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:55,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:55,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1071933681, now seen corresponding path program 1 times [2018-12-08 18:33:55,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:55,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:55,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:55,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:55,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2783 backedges. 1586 proven. 156 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2018-12-08 18:33:55,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:55,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:33:55,742 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1111 with the following transitions: [2018-12-08 18:33:55,742 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [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], [1036], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:33:55,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:33:55,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:33:56,213 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:33:56,213 INFO L272 AbstractInterpreter]: Visited 253 different actions 1021 times. Merged at 11 different actions 41 times. Never widened. Performed 11862 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11862 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 18:33:56,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:56,215 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:33:56,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:33:56,215 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:33:56,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:56,221 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:33:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:56,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:33:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2783 backedges. 1087 proven. 2 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-12-08 18:33:56,642 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:33:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2783 backedges. 1087 proven. 2 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-12-08 18:33:57,067 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:33:57,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 18:33:57,067 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:33:57,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:33:57,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:33:57,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:33:57,068 INFO L87 Difference]: Start difference. First operand 13981 states and 16362 transitions. Second operand 9 states. [2018-12-08 18:33:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:33:59,185 INFO L93 Difference]: Finished difference Result 31153 states and 36399 transitions. [2018-12-08 18:33:59,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 18:33:59,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1110 [2018-12-08 18:33:59,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:33:59,206 INFO L225 Difference]: With dead ends: 31153 [2018-12-08 18:33:59,206 INFO L226 Difference]: Without dead ends: 14648 [2018-12-08 18:33:59,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2243 GetRequests, 2225 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2018-12-08 18:33:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14648 states. [2018-12-08 18:33:59,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14648 to 14175. [2018-12-08 18:33:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14175 states. [2018-12-08 18:33:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14175 states to 14175 states and 15103 transitions. [2018-12-08 18:33:59,370 INFO L78 Accepts]: Start accepts. Automaton has 14175 states and 15103 transitions. Word has length 1110 [2018-12-08 18:33:59,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:33:59,371 INFO L480 AbstractCegarLoop]: Abstraction has 14175 states and 15103 transitions. [2018-12-08 18:33:59,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:33:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 14175 states and 15103 transitions. [2018-12-08 18:33:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2018-12-08 18:33:59,396 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:33:59,396 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:33:59,396 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:33:59,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:33:59,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1696060833, now seen corresponding path program 1 times [2018-12-08 18:33:59,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:33:59,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:59,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:33:59,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:33:59,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:33:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 986 proven. 459 refuted. 0 times theorem prover too weak. 3671 trivial. 0 not checked. [2018-12-08 18:34:00,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:34:00,272 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:34:00,272 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1581 with the following transitions: [2018-12-08 18:34:00,272 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:34:00,275 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:34:00,275 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:34:00,896 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:34:00,896 INFO L272 AbstractInterpreter]: Visited 270 different actions 1086 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 12932 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12932 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 18:34:00,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:34:00,898 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:34:00,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:34:00,899 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:34:00,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:34:00,904 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:34:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:01,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:34:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 3389 proven. 2 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2018-12-08 18:34:01,660 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:34:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 986 proven. 459 refuted. 0 times theorem prover too weak. 3671 trivial. 0 not checked. [2018-12-08 18:34:02,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:34:02,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-08 18:34:02,353 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:34:02,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 18:34:02,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 18:34:02,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:34:02,354 INFO L87 Difference]: Start difference. First operand 14175 states and 15103 transitions. Second operand 10 states. [2018-12-08 18:34:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:34:03,837 INFO L93 Difference]: Finished difference Result 24848 states and 26329 transitions. [2018-12-08 18:34:03,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 18:34:03,837 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1580 [2018-12-08 18:34:03,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:34:03,849 INFO L225 Difference]: With dead ends: 24848 [2018-12-08 18:34:03,849 INFO L226 Difference]: Without dead ends: 13038 [2018-12-08 18:34:03,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3191 GetRequests, 3167 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-08 18:34:03,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13038 states. [2018-12-08 18:34:03,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13038 to 10322. [2018-12-08 18:34:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10322 states. [2018-12-08 18:34:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10322 states to 10322 states and 10630 transitions. [2018-12-08 18:34:03,940 INFO L78 Accepts]: Start accepts. Automaton has 10322 states and 10630 transitions. Word has length 1580 [2018-12-08 18:34:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:34:03,940 INFO L480 AbstractCegarLoop]: Abstraction has 10322 states and 10630 transitions. [2018-12-08 18:34:03,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 18:34:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10322 states and 10630 transitions. [2018-12-08 18:34:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1602 [2018-12-08 18:34:03,953 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:34:03,954 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:34:03,954 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:34:03,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:34:03,954 INFO L82 PathProgramCache]: Analyzing trace with hash 852430954, now seen corresponding path program 1 times [2018-12-08 18:34:03,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:34:03,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:34:03,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:34:03,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:34:03,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:34:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4606 backedges. 1100 proven. 552 refuted. 0 times theorem prover too weak. 2954 trivial. 0 not checked. [2018-12-08 18:34:05,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:34:05,474 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:34:05,474 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1602 with the following transitions: [2018-12-08 18:34:05,474 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], [463], [465], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [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], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 18:34:05,476 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:34:05,476 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:34:06,292 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:34:06,292 INFO L272 AbstractInterpreter]: Visited 288 different actions 1156 times. Merged at 9 different actions 36 times. Never widened. Performed 13964 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-08 18:34:06,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:34:06,294 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:34:06,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:34:06,294 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:34:06,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:34:06,300 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:34:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:06,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:34:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4606 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2018-12-08 18:34:07,025 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:34:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4606 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2018-12-08 18:34:07,632 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:34:07,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-08 18:34:07,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:34:07,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:34:07,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:34:07,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:34:07,634 INFO L87 Difference]: Start difference. First operand 10322 states and 10630 transitions. Second operand 3 states. [2018-12-08 18:34:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:34:08,131 INFO L93 Difference]: Finished difference Result 20297 states and 20911 transitions. [2018-12-08 18:34:08,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:34:08,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1601 [2018-12-08 18:34:08,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:34:08,133 INFO L225 Difference]: With dead ends: 20297 [2018-12-08 18:34:08,133 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:34:08,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3211 GetRequests, 3201 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:34:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:34:08,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:34:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:34:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:34:08,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1601 [2018-12-08 18:34:08,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:34:08,142 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:34:08,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:34:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:34:08,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:34:08,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:34:08,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,446 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 324 [2018-12-08 18:34:08,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:08,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:09,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:34:09,013 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 354 [2018-12-08 18:34:09,953 WARN L180 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 78 [2018-12-08 18:34:11,689 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 301 DAG size of output: 130 [2018-12-08 18:34:13,300 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 309 DAG size of output: 128 [2018-12-08 18:34:15,015 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 307 DAG size of output: 136 [2018-12-08 18:34:15,928 WARN L180 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 75 [2018-12-08 18:34:15,929 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:34:15,929 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)) [2018-12-08 18:34:15,929 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:34:15,929 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,930 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse12 (= 12 |old(~a16~0)|)) (.cse4 (<= (+ |old(~a18~0)| 156) 0)) (.cse9 (= 4 |old(~a15~0)|)) (.cse14 (= 10 |old(~a16~0)|)) (.cse32 (= 7 |old(~a12~0)|)) (.cse15 (= 8 |old(~a16~0)|))) (let ((.cse21 (not .cse15)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse6 (not (= 5 |old(~a12~0)|))) (.cse20 (not (= 11 |old(~a16~0)|))) (.cse18 (not .cse32)) (.cse19 (or .cse12 .cse4 .cse9 .cse14)) (.cse33 (= ~a16~0 |old(~a16~0)|)) (.cse16 (< 0 (+ ~a18~0 156))) (.cse3 (= |old(~a12~0)| ~a12~0)) (.cse29 (not (= ~a15~0 4))) (.cse30 (not (= ~a16~0 12))) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse31 (not (= ~a12~0 7))) (.cse2 (= |old(~a15~0)| ~a15~0))) (let ((.cse24 (and .cse29 .cse30 .cse1 .cse31 .cse2)) (.cse22 (and .cse1 .cse2 .cse3)) (.cse8 (< |old(~a16~0)| 12)) (.cse7 (and .cse2 .cse33 .cse16 .cse3)) (.cse11 (and .cse2 .cse33 .cse3)) (.cse10 (not (= 9 |old(~a12~0)|))) (.cse28 (not (= 6 |old(~a12~0)|))) (.cse17 (< |old(~a15~0)| 4)) (.cse0 (and (or .cse12 .cse9 .cse18 .cse14 .cse15) (or .cse18 .cse19))) (.cse27 (and (or .cse21 .cse5 .cse6) (or .cse5 .cse6 (not (= (+ |old(~a18~0)| 87) 0)) .cse20))) (.cse13 (not (= 8 |old(~a12~0)|))) (.cse23 (or .cse12 .cse4 .cse32 .cse9)) (.cse26 (and .cse29 .cse30 .cse1 .cse31 .cse16 .cse2))) (and (or .cse0 (and (and .cse1 .cse2) .cse3)) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or (or .cse9 .cse8 .cse10) .cse11) (or .cse7 .cse12 .cse4 .cse13 .cse14 .cse15) (or .cse12 .cse4 .cse16 .cse14 .cse10 .cse17) (or .cse16 (or .cse5 .cse18 .cse19 .cse20)) (or .cse11 (or .cse9 .cse13)) (or .cse21 .cse22 .cse9 .cse10) (or (and (or .cse23 .cse10) (or .cse5 .cse20 .cse10)) (let ((.cse25 (= 9 ~a12~0))) (or (and .cse24 (= ~a16~0 11) .cse25 (= ~a15~0 3)) (and .cse25 .cse26)))) (or .cse27 (and .cse24 (= ~a12~0 5))) (or .cse11 .cse12 .cse14 .cse15 .cse10 .cse17) (or (and .cse26 .cse3) (or .cse5 .cse6 (= 0 |old(~a16~0)|) .cse23)) (or .cse4 .cse9 .cse18 .cse8 .cse7) (or (or .cse12 .cse28) .cse22) (or .cse16 (or .cse4 .cse5 .cse28 .cse20)) (or .cse22 (or .cse12 .cse18 .cse14) .cse17) (or .cse22 (or .cse12 .cse6) .cse17) (or .cse4 .cse9 .cse28 .cse8 .cse7) (or .cse21 .cse4 .cse6 .cse16 .cse17) (or (or .cse21 .cse13) .cse11) (or .cse11 .cse21 .cse4 .cse10) (or .cse16 .cse21 .cse4 .cse28 .cse17) (or .cse21 .cse16 .cse0) (or (= (+ ~a18~0 87) 0) .cse20 .cse27) (or (or .cse13 .cse23) .cse26))))) [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,931 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,932 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse17 (= 8 |old(~a16~0)|)) (.cse14 (= 12 |old(~a16~0)|)) (.cse8 (<= (+ |old(~a18~0)| 156) 0)) (.cse3 (= 4 |old(~a15~0)|)) (.cse16 (= 10 |old(~a16~0)|)) (.cse33 (= 7 |old(~a12~0)|))) (let ((.cse26 (not .cse33)) (.cse31 (or .cse14 .cse8 .cse3 .cse16)) (.cse24 (not .cse17)) (.cse9 (not (= 3 |old(~a15~0)|))) (.cse27 (not (= 5 |old(~a12~0)|))) (.cse10 (not (= 11 |old(~a16~0)|))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse22 (not (= calculate_output_~input 0))) (.cse29 (= ~a16~0 |old(~a16~0)|)) (.cse18 (< 0 (+ ~a18~0 156))) (.cse2 (= |old(~a12~0)| ~a12~0)) (.cse32 (= |old(~a16~0)| ~a16~0)) (.cse28 (= |old(~a15~0)| ~a15~0))) (let ((.cse1 (and .cse32 .cse28)) (.cse25 (and .cse32 .cse28 .cse2)) (.cse4 (< |old(~a16~0)| 12)) (.cse13 (and .cse28 .cse29 .cse18 .cse2)) (.cse7 (and .cse22 .cse18)) (.cse6 (and .cse28 .cse29 .cse2)) (.cse5 (not (= 9 |old(~a12~0)|))) (.cse12 (not (= 6 |old(~a12~0)|))) (.cse19 (< |old(~a15~0)| 4)) (.cse21 (= ~a15~0 3)) (.cse30 (and (or (or .cse24 .cse9 .cse27) .cse11) (or .cse9 .cse27 (not (= (+ |old(~a18~0)| 87) 0)) .cse10 .cse11))) (.cse0 (and (or .cse14 .cse3 .cse26 .cse16 .cse17) (or .cse26 .cse31))) (.cse15 (not (= 8 |old(~a12~0)|))) (.cse23 (or .cse14 .cse8 .cse33 .cse3)) (.cse20 (and (not (= ~a15~0 4)) (not (= ~a16~0 12)) .cse32 (not (= ~a12~0 7)) .cse18 .cse28))) (and (or .cse0 (and .cse1 .cse2)) (or (or .cse3 .cse4 .cse5) .cse6) (or .cse7 (or .cse8 .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse14 .cse8 .cse15 .cse16 .cse17) (or .cse14 .cse8 .cse18 .cse16 .cse5 .cse19) (or .cse6 (or .cse3 .cse15)) (or (or (and .cse20 .cse2) (and .cse1 (= ~a16~0 11) .cse21 .cse22 (not .cse11) .cse2)) (and (or .cse23 .cse5) (or .cse9 .cse10 .cse11 .cse5))) (or .cse24 .cse25 .cse3 .cse5) (or .cse6 .cse14 .cse16 .cse17 .cse5 .cse19) (or .cse8 .cse3 .cse26 .cse4 .cse13) (or (or .cse14 .cse12) .cse25) (or .cse25 (or .cse14 .cse26 .cse16) .cse19) (or .cse8 .cse9 .cse27 (and .cse28 .cse22 .cse29 .cse18 .cse2) .cse11 .cse4) (or .cse25 (or .cse14 .cse27) .cse19) (or .cse30 (= (+ ~a18~0 87) 0) .cse10) (or .cse8 .cse3 .cse12 .cse4 .cse13) (or .cse24 .cse8 .cse27 .cse18 .cse19) (or (or .cse24 .cse15) .cse6) (or (and .cse20 .cse22 .cse2) (or .cse9 .cse27 (= 0 |old(~a16~0)|) .cse11 .cse23)) (or .cse7 (or .cse9 .cse26 .cse31 .cse10 .cse11)) (or .cse6 .cse24 .cse8 .cse5) (or .cse18 .cse24 .cse8 .cse12 .cse19) (or (and .cse29 .cse22 (and .cse21 (= ~a12~0 5))) .cse30) (or .cse24 .cse18 .cse0) (or (or .cse15 .cse23) .cse20))))) [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,933 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,934 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,935 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,936 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,937 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse18 (= 8 |old(~a16~0)|)) (.cse14 (= 12 |old(~a16~0)|)) (.cse15 (<= (+ |old(~a18~0)| 156) 0)) (.cse3 (= 4 |old(~a15~0)|)) (.cse17 (= 10 |old(~a16~0)|)) (.cse32 (= 7 |old(~a12~0)|))) (let ((.cse12 (< 0 (+ ~a18~0 156))) (.cse8 (not .cse32)) (.cse9 (or .cse14 .cse15 .cse3 .cse17)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse26 (not .cse18)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse24 (not (= 5 |old(~a12~0)|))) (.cse10 (not (= 11 |old(~a16~0)|))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse30 (= |old(~a16~0)| ~a16~0)) (.cse31 (= |old(~a15~0)| ~a15~0)) (.cse2 (= |old(~a12~0)| ~a12~0))) (let ((.cse27 (and .cse30 .cse31 .cse2)) (.cse21 (and (or (or .cse26 .cse7 .cse24) .cse11) (or .cse7 .cse24 (not (= (+ |old(~a18~0)| 87) 0)) .cse10 .cse11))) (.cse1 (and .cse30 .cse31)) (.cse20 (= ~a15~0 3)) (.cse6 (and .cse31 .cse19 .cse2)) (.cse5 (not (= 9 |old(~a12~0)|))) (.cse28 (not (= 6 |old(~a12~0)|))) (.cse22 (< |old(~a15~0)| 4)) (.cse0 (and (or .cse14 .cse3 .cse8 .cse17 .cse18) (or .cse8 .cse9))) (.cse13 (and .cse31 .cse19 .cse12 .cse2)) (.cse4 (< |old(~a16~0)| 12)) (.cse16 (not (= 8 |old(~a12~0)|))) (.cse25 (or .cse14 .cse15 .cse32 .cse3)) (.cse23 (and (not (= ~a15~0 4)) (not (= ~a16~0 12)) .cse30 (not (= ~a12~0 7)) .cse12 .cse31))) (and (or .cse0 (and .cse1 .cse2)) (or (or .cse3 .cse4 .cse5) .cse6) (or (or .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (or (and .cse19 .cse20 .cse2) .cse21) (or .cse14 .cse15 .cse12 .cse17 .cse5 .cse22) (or .cse6 (or .cse3 .cse16)) (or (and .cse23 .cse2) (or .cse7 .cse24 (= 0 |old(~a16~0)|) .cse11 .cse25)) (or .cse26 .cse27 .cse3 .cse5) (or .cse12 (or .cse15 .cse7 .cse10 .cse11 .cse28)) (or .cse6 .cse14 .cse17 .cse18 .cse5 .cse22) (or .cse15 .cse3 .cse8 .cse4 .cse13) (or (or .cse14 .cse28) .cse27) (or .cse27 (or .cse14 .cse8 .cse17) .cse22) (or .cse27 (or .cse14 .cse24) .cse22) (or .cse21 (= (+ ~a18~0 87) 0) .cse10) (or .cse15 .cse3 .cse28 .cse4 .cse13) (or .cse26 .cse15 .cse24 .cse12 .cse22) (or (or .cse26 .cse16) .cse6) (or (and (or .cse25 .cse5) (or .cse7 .cse10 .cse11 .cse5)) (let ((.cse29 (= 9 ~a12~0))) (or (and .cse29 .cse23) (and .cse1 (= ~a16~0 11) .cse29 .cse20 (not .cse11))))) (or .cse6 .cse26 .cse15 .cse5) (or .cse12 .cse26 .cse15 .cse28 .cse22) (or .cse26 .cse12 .cse0) (or .cse15 .cse7 .cse24 .cse11 .cse13 .cse4) (or (or .cse16 .cse25) .cse23))))) [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,938 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,939 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,940 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,941 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,942 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,943 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,944 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,945 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-08 18:34:15,946 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse11 (= ~a16~0 8))) (let ((.cse4 (<= 4 ~a15~0)) (.cse0 (= 6 ~a12~0)) (.cse10 (not .cse11)) (.cse1 (not (= ~a16~0 12))) (.cse2 (not (= ~a16~0 10))) (.cse3 (= ~a12~0 7)) (.cse8 (< 0 (+ ~a18~0 156))) (.cse5 (not (= main_~input~0 0))) (.cse6 (= ~a15~0 3)) (.cse7 (= ~a12~0 5)) (.cse9 (= 9 ~a12~0)) (.cse12 (= 8 ~a12~0)) (.cse13 (not (= ~a15~0 4)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (not (= 11 |old(~a16~0)|)) (and .cse4 .cse1 (= 5 ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (and (not (= ~a16~0 0)) .cse5 .cse6 .cse7 .cse8) (not (= 3 |old(~a15~0)|)) (and (<= ~a16~0 |old(~a16~0)|) .cse2 .cse9 .cse10 .cse4) (and .cse11 .cse12) (and (<= 12 ~a16~0) .cse9 .cse13) (and .cse0 .cse13 .cse8) (or (and .cse5 (= ~a16~0 11) .cse9 .cse6) (and .cse9 (and .cse13 .cse8))) (and .cse2 .cse12 .cse1 .cse8) (and .cse11 .cse9 .cse8) (or (and .cse2 .cse3 .cse10 .cse1) (and .cse2 .cse3 .cse13 .cse8)) (not (= 5 |old(~a12~0)|)) (and .cse5 (and .cse11 .cse6 .cse7)) (and .cse11 .cse13 .cse9) (and .cse12 .cse13)))) [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-08 18:34:15,946 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-08 18:34:15,947 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse7 (= ~a16~0 8))) (let ((.cse4 (<= 4 ~a15~0)) (.cse10 (= ~a12~0 5)) (.cse0 (= 6 ~a12~0)) (.cse6 (not .cse7)) (.cse1 (not (= ~a16~0 12))) (.cse2 (not (= ~a16~0 10))) (.cse3 (= ~a12~0 7)) (.cse11 (< 0 (+ ~a18~0 156))) (.cse5 (= 9 ~a12~0)) (.cse9 (= ~a15~0 3)) (.cse8 (= 8 ~a12~0)) (.cse12 (not (= ~a15~0 4)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (not (= 11 |old(~a16~0)|)) (and .cse4 .cse1 (= 5 ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and (<= ~a16~0 |old(~a16~0)|) .cse2 .cse5 .cse6 .cse4) (and .cse7 .cse8) (and .cse7 .cse9 .cse10) (and (not (= ~a16~0 0)) .cse9 .cse10 .cse11) (and (<= 12 ~a16~0) .cse5 .cse12) (and .cse0 .cse12 .cse11) (and .cse2 .cse8 .cse1 .cse11) (and .cse7 .cse5 .cse11) (or (and .cse2 .cse3 .cse6 .cse1) (and .cse2 .cse3 .cse12 .cse11)) (not (= 5 |old(~a12~0)|)) (and .cse7 .cse12 .cse5) (or (and .cse5 (and .cse12 .cse11)) (and .cse5 (and (= ~a16~0 11) .cse9))) (and .cse8 .cse12)))) [2018-12-08 18:34:15,947 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-08 18:34:15,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:34:15 BoogieIcfgContainer [2018-12-08 18:34:15,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:34:15,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:34:15,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:34:15,955 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:34:15,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:31:09" (3/4) ... [2018-12-08 18:34:15,957 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:34:15,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:34:15,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-08 18:34:15,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 18:34:15,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:34:15,973 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 18:34:15,974 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 18:34:15,992 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((6 == a12 && !(a16 == 12)) || (((!(a16 == 10) && a12 == 7) && 4 <= a15) && !(a16 == 12))) || !(11 == \old(a16))) || ((4 <= a15 && !(a16 == 12)) && 5 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((((a16 <= \old(a16) && !(a16 == 10)) && 9 == a12) && !(a16 == 8)) && 4 <= a15)) || (a16 == 8 && 8 == a12)) || ((a16 == 8 && a15 == 3) && a12 == 5)) || (((!(a16 == 0) && a15 == 3) && a12 == 5) && 0 < a18 + 156)) || ((12 <= a16 && 9 == a12) && !(a15 == 4))) || ((6 == a12 && !(a15 == 4)) && 0 < a18 + 156)) || (((!(a16 == 10) && 8 == a12) && !(a16 == 12)) && 0 < a18 + 156)) || ((a16 == 8 && 9 == a12) && 0 < a18 + 156)) || (((!(a16 == 10) && a12 == 7) && !(a16 == 8)) && !(a16 == 12)) || (((!(a16 == 10) && a12 == 7) && !(a15 == 4)) && 0 < a18 + 156)) || !(5 == \old(a12))) || ((a16 == 8 && !(a15 == 4)) && 9 == a12)) || (9 == a12 && !(a15 == 4) && 0 < a18 + 156) || (9 == a12 && a16 == 11 && a15 == 3)) || (8 == a12 && !(a15 == 4)) [2018-12-08 18:34:16,068 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca2a2c7f-2a6d-49b5-b8a8-684708ddda1e/bin-2019/utaipan/witness.graphml [2018-12-08 18:34:16,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:34:16,069 INFO L168 Benchmark]: Toolchain (without parser) took 188302.16 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 945.9 MB in the beginning and 487.6 MB in the end (delta: 458.4 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-08 18:34:16,069 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:34:16,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:34:16,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:34:16,070 INFO L168 Benchmark]: Boogie Preprocessor took 80.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:34:16,070 INFO L168 Benchmark]: RCFGBuilder took 1300.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 864.1 MB in the end (delta: 247.8 MB). Peak memory consumption was 247.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:34:16,070 INFO L168 Benchmark]: TraceAbstraction took 186200.90 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 864.1 MB in the beginning and 616.5 MB in the end (delta: 247.6 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-08 18:34:16,070 INFO L168 Benchmark]: Witness Printer took 113.87 ms. Allocated memory is still 4.9 GB. Free memory was 616.5 MB in the beginning and 487.6 MB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:34:16,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1300.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 864.1 MB in the end (delta: 247.8 MB). Peak memory consumption was 247.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 186200.90 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 864.1 MB in the beginning and 616.5 MB in the end (delta: 247.6 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 113.87 ms. Allocated memory is still 4.9 GB. Free memory was 616.5 MB in the beginning and 487.6 MB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: ((((((((((((((((((6 == a12 && !(a16 == 12)) || (((!(a16 == 10) && a12 == 7) && 4 <= a15) && !(a16 == 12))) || !(11 == \old(a16))) || ((4 <= a15 && !(a16 == 12)) && 5 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((((a16 <= \old(a16) && !(a16 == 10)) && 9 == a12) && !(a16 == 8)) && 4 <= a15)) || (a16 == 8 && 8 == a12)) || ((a16 == 8 && a15 == 3) && a12 == 5)) || (((!(a16 == 0) && a15 == 3) && a12 == 5) && 0 < a18 + 156)) || ((12 <= a16 && 9 == a12) && !(a15 == 4))) || ((6 == a12 && !(a15 == 4)) && 0 < a18 + 156)) || (((!(a16 == 10) && 8 == a12) && !(a16 == 12)) && 0 < a18 + 156)) || ((a16 == 8 && 9 == a12) && 0 < a18 + 156)) || (((!(a16 == 10) && a12 == 7) && !(a16 == 8)) && !(a16 == 12)) || (((!(a16 == 10) && a12 == 7) && !(a15 == 4)) && 0 < a18 + 156)) || !(5 == \old(a12))) || ((a16 == 8 && !(a15 == 4)) && 9 == a12)) || (9 == a12 && !(a15 == 4) && 0 < a18 + 156) || (9 == a12 && a16 == 11 && a15 == 3)) || (8 == a12 && !(a15 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 186.1s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 159.4s AutomataDifference, 0.0s DeadEndRemovalTime, 7.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2340 SDtfs, 23651 SDslu, 1229 SDs, 0 SdLazy, 39648 SolverSat, 7188 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 142.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 15824 GetRequests, 15616 SyntacticMatches, 19 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16100occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.9980762632959314 AbsIntWeakeningRatio, 0.05786618444846293 AbsIntAvgWeakeningVarsNumRemoved, 15.742013261000602 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 11966 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1904 PreInvPairs, 2036 NumberOfFragments, 3203 HoareAnnotationTreeSize, 1904 FomulaSimplifications, 423244 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 81516 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 16734 NumberOfCodeBlocks, 16734 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 23669 ConstructedInterpolants, 0 QuantifiedInterpolants, 49554418 SizeOfPredicates, 5 NumberOfNonLiveVariables, 9181 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 31 InterpolantComputations, 11 PerfectInterpolantSequences, 47575/50152 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...