./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label59_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_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/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 30c34688967b08e009ee7c945b5c905ca7f15dd9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:01:01,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:01:01,015 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:01:01,023 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:01:01,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:01:01,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:01:01,025 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:01:01,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:01:01,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:01:01,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:01:01,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:01:01,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:01:01,029 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:01:01,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:01:01,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:01:01,031 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:01:01,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:01:01,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:01:01,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:01:01,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:01:01,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:01:01,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:01:01,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:01:01,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:01:01,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:01:01,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:01:01,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:01:01,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:01:01,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:01:01,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:01:01,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:01:01,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:01:01,043 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:01:01,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:01:01,044 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:01:01,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:01:01,045 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:01:01,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:01:01,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:01:01,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:01:01,054 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:01:01,054 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:01:01,055 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:01:01,055 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:01:01,055 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:01:01,055 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:01:01,055 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:01:01,055 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:01:01,055 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:01:01,056 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:01:01,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:01:01,056 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:01:01,056 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:01:01,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:01:01,057 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:01:01,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:01:01,057 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:01:01,057 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:01:01,057 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:01:01,058 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:01:01,058 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:01:01,058 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:01:01,058 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:01:01,058 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:01:01,058 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:01:01,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:01:01,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:01:01,059 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:01:01,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:01:01,059 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:01:01,059 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:01:01,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:01:01,059 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:01:01,059 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_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/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 -> 30c34688967b08e009ee7c945b5c905ca7f15dd9 [2018-12-09 16:01:01,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:01:01,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:01:01,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:01:01,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:01:01,091 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:01:01,091 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-12-09 16:01:01,128 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/data/2d4ecf6c8/95ffe48fef16466eaeb3032446dd2f5a/FLAGf26bf5a0b [2018-12-09 16:01:01,554 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:01:01,555 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-12-09 16:01:01,565 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/data/2d4ecf6c8/95ffe48fef16466eaeb3032446dd2f5a/FLAGf26bf5a0b [2018-12-09 16:01:01,864 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/data/2d4ecf6c8/95ffe48fef16466eaeb3032446dd2f5a [2018-12-09 16:01:01,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:01:01,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:01:01,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:01:01,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:01:01,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:01:01,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:01" (1/1) ... [2018-12-09 16:01:01,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a38c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:01, skipping insertion in model container [2018-12-09 16:01:01,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:01" (1/1) ... [2018-12-09 16:01:01,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:01:01,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:01:02,343 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:01:02,345 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:01:02,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:01:02,556 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:01:02,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02 WrapperNode [2018-12-09 16:01:02,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:01:02,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:01:02,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:01:02,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:01:02,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:01:02,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:01:02,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:01:02,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:01:02,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... [2018-12-09 16:01:02,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:01:02,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:01:02,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:01:02,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:01:02,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:01:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:01:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:01:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 16:01:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 16:01:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 16:01:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 16:01:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:01:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:01:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:01:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:01:04,269 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:01:04,270 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 16:01:04,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:04 BoogieIcfgContainer [2018-12-09 16:01:04,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:01:04,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:01:04,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:01:04,273 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:01:04,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:01:01" (1/3) ... [2018-12-09 16:01:04,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f5700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:01:04, skipping insertion in model container [2018-12-09 16:01:04,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:02" (2/3) ... [2018-12-09 16:01:04,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f5700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:01:04, skipping insertion in model container [2018-12-09 16:01:04,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:04" (3/3) ... [2018-12-09 16:01:04,276 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label59_true-unreach-call.c [2018-12-09 16:01:04,285 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:01:04,292 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:01:04,306 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:01:04,332 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:01:04,332 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:01:04,332 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:01:04,332 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:01:04,333 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:01:04,333 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:01:04,333 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:01:04,333 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:01:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-12-09 16:01:04,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 16:01:04,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:04,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:04,356 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:04,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:04,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1109513128, now seen corresponding path program 1 times [2018-12-09 16:01:04,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:04,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:04,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:04,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:04,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:04,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:01:04,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 16:01:04,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:04,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 16:01:04,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 16:01:04,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:01:04,561 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 4 states. [2018-12-09 16:01:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:06,577 INFO L93 Difference]: Finished difference Result 1554 states and 2845 transitions. [2018-12-09 16:01:06,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 16:01:06,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-09 16:01:06,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:06,594 INFO L225 Difference]: With dead ends: 1554 [2018-12-09 16:01:06,594 INFO L226 Difference]: Without dead ends: 1036 [2018-12-09 16:01:06,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:01:06,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-12-09 16:01:06,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 697. [2018-12-09 16:01:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-09 16:01:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1188 transitions. [2018-12-09 16:01:06,665 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1188 transitions. Word has length 60 [2018-12-09 16:01:06,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:06,666 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 1188 transitions. [2018-12-09 16:01:06,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 16:01:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1188 transitions. [2018-12-09 16:01:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 16:01:06,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:06,670 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:06,670 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:06,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash -933858500, now seen corresponding path program 1 times [2018-12-09 16:01:06,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:06,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:06,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:06,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:06,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:06,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:01:06,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 16:01:06,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:06,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 16:01:06,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 16:01:06,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:01:06,819 INFO L87 Difference]: Start difference. First operand 697 states and 1188 transitions. Second operand 5 states. [2018-12-09 16:01:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:08,997 INFO L93 Difference]: Finished difference Result 1740 states and 2976 transitions. [2018-12-09 16:01:08,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:01:08,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-12-09 16:01:08,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:09,002 INFO L225 Difference]: With dead ends: 1740 [2018-12-09 16:01:09,002 INFO L226 Difference]: Without dead ends: 1049 [2018-12-09 16:01:09,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:01:09,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2018-12-09 16:01:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1029. [2018-12-09 16:01:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2018-12-09 16:01:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1647 transitions. [2018-12-09 16:01:09,028 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1647 transitions. Word has length 129 [2018-12-09 16:01:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:09,029 INFO L480 AbstractCegarLoop]: Abstraction has 1029 states and 1647 transitions. [2018-12-09 16:01:09,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 16:01:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1647 transitions. [2018-12-09 16:01:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 16:01:09,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:09,031 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:09,031 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:09,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash -767759721, now seen corresponding path program 1 times [2018-12-09 16:01:09,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:09,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:09,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:09,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:09,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:09,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:01:09,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:01:09,137 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:09,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:01:09,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:01:09,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:01:09,138 INFO L87 Difference]: Start difference. First operand 1029 states and 1647 transitions. Second operand 6 states. [2018-12-09 16:01:13,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:13,583 INFO L93 Difference]: Finished difference Result 3398 states and 5911 transitions. [2018-12-09 16:01:13,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 16:01:13,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-09 16:01:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:13,596 INFO L225 Difference]: With dead ends: 3398 [2018-12-09 16:01:13,596 INFO L226 Difference]: Without dead ends: 2375 [2018-12-09 16:01:13,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:01:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2018-12-09 16:01:13,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2317. [2018-12-09 16:01:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2317 states. [2018-12-09 16:01:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3270 transitions. [2018-12-09 16:01:13,658 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3270 transitions. Word has length 130 [2018-12-09 16:01:13,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:13,658 INFO L480 AbstractCegarLoop]: Abstraction has 2317 states and 3270 transitions. [2018-12-09 16:01:13,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:01:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3270 transitions. [2018-12-09 16:01:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 16:01:13,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:13,660 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:13,660 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:13,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:13,660 INFO L82 PathProgramCache]: Analyzing trace with hash -959555057, now seen corresponding path program 1 times [2018-12-09 16:01:13,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:13,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:13,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:13,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:13,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:13,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:01:13,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:01:13,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:13,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:01:13,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:01:13,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:01:13,743 INFO L87 Difference]: Start difference. First operand 2317 states and 3270 transitions. Second operand 6 states. [2018-12-09 16:01:16,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:16,201 INFO L93 Difference]: Finished difference Result 5976 states and 9227 transitions. [2018-12-09 16:01:16,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:01:16,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-09 16:01:16,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:16,212 INFO L225 Difference]: With dead ends: 5976 [2018-12-09 16:01:16,212 INFO L226 Difference]: Without dead ends: 3973 [2018-12-09 16:01:16,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:01:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3973 states. [2018-12-09 16:01:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3973 to 3931. [2018-12-09 16:01:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3931 states. [2018-12-09 16:01:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 5810 transitions. [2018-12-09 16:01:16,277 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 5810 transitions. Word has length 134 [2018-12-09 16:01:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:16,277 INFO L480 AbstractCegarLoop]: Abstraction has 3931 states and 5810 transitions. [2018-12-09 16:01:16,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:01:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 5810 transitions. [2018-12-09 16:01:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 16:01:16,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:16,279 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:16,279 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:16,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:16,279 INFO L82 PathProgramCache]: Analyzing trace with hash -351296262, now seen corresponding path program 1 times [2018-12-09 16:01:16,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:16,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:16,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:16,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:16,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:16,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:01:16,368 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:01:16,369 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-09 16:01:16,370 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:01:16,397 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:01:16,397 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:01:16,838 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:01:16,839 INFO L272 AbstractInterpreter]: Visited 103 different actions 295 times. Merged at 4 different actions 7 times. Never widened. Performed 3088 root evaluator evaluations with a maximum evaluation depth of 10. Performed 3088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:01:16,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:16,844 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:01:16,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:01:16,844 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:01:16,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:16,852 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:01:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:16,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:01:20,585 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-09 16:01:21,913 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:21,914 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:01:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:21,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:01:21,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 11 [2018-12-09 16:01:21,990 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:21,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:01:21,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:01:21,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-09 16:01:21,991 INFO L87 Difference]: Start difference. First operand 3931 states and 5810 transitions. Second operand 3 states. [2018-12-09 16:01:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:23,304 INFO L93 Difference]: Finished difference Result 8802 states and 13744 transitions. [2018-12-09 16:01:23,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:01:23,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-12-09 16:01:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:23,326 INFO L225 Difference]: With dead ends: 8802 [2018-12-09 16:01:23,326 INFO L226 Difference]: Without dead ends: 5185 [2018-12-09 16:01:23,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-09 16:01:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2018-12-09 16:01:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5185. [2018-12-09 16:01:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5185 states. [2018-12-09 16:01:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7969 transitions. [2018-12-09 16:01:23,428 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7969 transitions. Word has length 155 [2018-12-09 16:01:23,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:23,428 INFO L480 AbstractCegarLoop]: Abstraction has 5185 states and 7969 transitions. [2018-12-09 16:01:23,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:01:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7969 transitions. [2018-12-09 16:01:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 16:01:23,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:23,431 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:23,432 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:23,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:23,432 INFO L82 PathProgramCache]: Analyzing trace with hash -663015250, now seen corresponding path program 1 times [2018-12-09 16:01:23,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:23,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:23,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:23,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:23,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:23,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:01:23,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:01:23,627 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:23,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:01:23,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:01:23,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:01:23,628 INFO L87 Difference]: Start difference. First operand 5185 states and 7969 transitions. Second operand 6 states. [2018-12-09 16:01:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:26,273 INFO L93 Difference]: Finished difference Result 10139 states and 16040 transitions. [2018-12-09 16:01:26,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 16:01:26,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-09 16:01:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:26,285 INFO L225 Difference]: With dead ends: 10139 [2018-12-09 16:01:26,286 INFO L226 Difference]: Without dead ends: 5268 [2018-12-09 16:01:26,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:01:26,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2018-12-09 16:01:26,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5204. [2018-12-09 16:01:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5204 states. [2018-12-09 16:01:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 8000 transitions. [2018-12-09 16:01:26,362 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 8000 transitions. Word has length 227 [2018-12-09 16:01:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:26,362 INFO L480 AbstractCegarLoop]: Abstraction has 5204 states and 8000 transitions. [2018-12-09 16:01:26,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:01:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 8000 transitions. [2018-12-09 16:01:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-09 16:01:26,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:26,366 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:01:26,366 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:26,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:26,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1054274955, now seen corresponding path program 1 times [2018-12-09 16:01:26,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:26,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:26,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:26,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:26,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 106 proven. 80 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:01:26,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:01:26,487 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:01:26,488 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-12-09 16:01:26,488 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:01:26,492 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:01:26,492 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:01:26,580 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:01:26,580 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1233 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1233 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 16:01:26,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:26,582 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:01:26,790 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 78.04% of their original sizes. [2018-12-09 16:01:26,790 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:01:26,809 INFO L418 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-12-09 16:01:26,809 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:01:26,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:01:26,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 16:01:26,809 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:26,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:01:26,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:01:26,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:01:26,810 INFO L87 Difference]: Start difference. First operand 5204 states and 8000 transitions. Second operand 6 states. [2018-12-09 16:01:58,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:58,120 INFO L93 Difference]: Finished difference Result 10095 states and 15663 transitions. [2018-12-09 16:01:58,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:01:58,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2018-12-09 16:01:58,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:01:58,130 INFO L225 Difference]: With dead ends: 10095 [2018-12-09 16:01:58,130 INFO L226 Difference]: Without dead ends: 5204 [2018-12-09 16:01:58,135 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:01:58,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2018-12-09 16:01:58,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 5203. [2018-12-09 16:01:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5203 states. [2018-12-09 16:01:58,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7984 transitions. [2018-12-09 16:01:58,195 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7984 transitions. Word has length 262 [2018-12-09 16:01:58,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:01:58,195 INFO L480 AbstractCegarLoop]: Abstraction has 5203 states and 7984 transitions. [2018-12-09 16:01:58,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:01:58,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7984 transitions. [2018-12-09 16:01:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 16:01:58,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:01:58,198 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:01:58,198 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:01:58,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:58,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1390898442, now seen corresponding path program 1 times [2018-12-09 16:01:58,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:01:58,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:58,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:58,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:58,199 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:01:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 16:01:58,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:01:58,311 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:01:58,311 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-12-09 16:01:58,311 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:01:58,313 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:01:58,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:01:58,429 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:01:58,429 INFO L272 AbstractInterpreter]: Visited 125 different actions 361 times. Merged at 4 different actions 7 times. Never widened. Performed 4062 root evaluator evaluations with a maximum evaluation depth of 10. Performed 4062 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:01:58,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:58,434 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:01:58,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:01:58,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:01:58,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:58,442 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:01:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:58,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:01:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 16:01:58,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:01:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 16:01:58,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:01:58,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-12-09 16:01:58,701 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:01:58,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 16:01:58,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 16:01:58,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:01:58,701 INFO L87 Difference]: Start difference. First operand 5203 states and 7984 transitions. Second operand 5 states. [2018-12-09 16:02:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:00,228 INFO L93 Difference]: Finished difference Result 11069 states and 17574 transitions. [2018-12-09 16:02:00,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:02:00,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2018-12-09 16:02:00,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:00,236 INFO L225 Difference]: With dead ends: 11069 [2018-12-09 16:02:00,236 INFO L226 Difference]: Without dead ends: 4836 [2018-12-09 16:02:00,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:02:00,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4836 states. [2018-12-09 16:02:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4836 to 4474. [2018-12-09 16:02:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4474 states. [2018-12-09 16:02:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4474 states and 5313 transitions. [2018-12-09 16:02:00,288 INFO L78 Accepts]: Start accepts. Automaton has 4474 states and 5313 transitions. Word has length 271 [2018-12-09 16:02:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:00,289 INFO L480 AbstractCegarLoop]: Abstraction has 4474 states and 5313 transitions. [2018-12-09 16:02:00,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 16:02:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 5313 transitions. [2018-12-09 16:02:00,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-09 16:02:00,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:00,291 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:00,291 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:00,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:00,291 INFO L82 PathProgramCache]: Analyzing trace with hash -166189619, now seen corresponding path program 1 times [2018-12-09 16:02:00,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:00,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:00,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:00,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:00,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:00,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:00,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:00,435 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-12-09 16:02:00,436 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:00,439 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:00,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:00,686 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:00,686 INFO L272 AbstractInterpreter]: Visited 245 different actions 721 times. Merged at 4 different actions 7 times. Never widened. Performed 9581 root evaluator evaluations with a maximum evaluation depth of 10. Performed 9581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:02:00,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:00,688 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:00,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:00,688 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:00,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:00,693 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:00,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:04,807 WARN L180 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 16:02:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:04,863 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:05,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:02:05,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-09 16:02:05,381 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:02:05,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:02:05,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:02:05,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 16:02:05,382 INFO L87 Difference]: Start difference. First operand 4474 states and 5313 transitions. Second operand 6 states. [2018-12-09 16:02:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:08,234 INFO L93 Difference]: Finished difference Result 11749 states and 14031 transitions. [2018-12-09 16:02:08,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:02:08,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-12-09 16:02:08,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:08,244 INFO L225 Difference]: With dead ends: 11749 [2018-12-09 16:02:08,244 INFO L226 Difference]: Without dead ends: 7275 [2018-12-09 16:02:08,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 589 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 16:02:08,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7275 states. [2018-12-09 16:02:08,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7275 to 6956. [2018-12-09 16:02:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6956 states. [2018-12-09 16:02:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6956 states to 6956 states and 8180 transitions. [2018-12-09 16:02:08,313 INFO L78 Accepts]: Start accepts. Automaton has 6956 states and 8180 transitions. Word has length 297 [2018-12-09 16:02:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:08,313 INFO L480 AbstractCegarLoop]: Abstraction has 6956 states and 8180 transitions. [2018-12-09 16:02:08,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:02:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 6956 states and 8180 transitions. [2018-12-09 16:02:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 16:02:08,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:08,315 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:08,316 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:08,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:08,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1203160277, now seen corresponding path program 1 times [2018-12-09 16:02:08,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:08,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:08,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:08,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:08,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:08,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:08,522 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:08,522 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-12-09 16:02:08,523 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:08,526 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:08,526 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:08,802 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:08,802 INFO L272 AbstractInterpreter]: Visited 282 different actions 832 times. Merged at 4 different actions 7 times. Never widened. Performed 11063 root evaluator evaluations with a maximum evaluation depth of 9. Performed 11063 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:02:08,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:08,806 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:08,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:08,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:08,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:08,812 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:08,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:08,892 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:08,963 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:02:08,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-09 16:02:08,963 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:02:08,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:02:08,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:02:08,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:02:08,964 INFO L87 Difference]: Start difference. First operand 6956 states and 8180 transitions. Second operand 3 states. [2018-12-09 16:02:09,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:09,578 INFO L93 Difference]: Finished difference Result 15759 states and 18815 transitions. [2018-12-09 16:02:09,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:02:09,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2018-12-09 16:02:09,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:09,590 INFO L225 Difference]: With dead ends: 15759 [2018-12-09 16:02:09,591 INFO L226 Difference]: Without dead ends: 9116 [2018-12-09 16:02:09,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 667 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:02:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9116 states. [2018-12-09 16:02:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9116 to 9113. [2018-12-09 16:02:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9113 states. [2018-12-09 16:02:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9113 states to 9113 states and 10694 transitions. [2018-12-09 16:02:09,680 INFO L78 Accepts]: Start accepts. Automaton has 9113 states and 10694 transitions. Word has length 334 [2018-12-09 16:02:09,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:09,681 INFO L480 AbstractCegarLoop]: Abstraction has 9113 states and 10694 transitions. [2018-12-09 16:02:09,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:02:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 9113 states and 10694 transitions. [2018-12-09 16:02:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2018-12-09 16:02:09,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:09,690 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:09,690 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:09,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:09,691 INFO L82 PathProgramCache]: Analyzing trace with hash -771275642, now seen corresponding path program 1 times [2018-12-09 16:02:09,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:09,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:09,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:09,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:09,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 317 proven. 160 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-12-09 16:02:09,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:09,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:09,940 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 598 with the following transitions: [2018-12-09 16:02:09,940 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [574], [577], [581], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [714], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:09,943 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:09,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:10,686 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:10,686 INFO L272 AbstractInterpreter]: Visited 287 different actions 1137 times. Merged at 8 different actions 26 times. Never widened. Performed 15814 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15814 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:02:10,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:10,688 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:10,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:10,688 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:10,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:10,694 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:10,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-12-09 16:02:10,926 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2018-12-09 16:02:11,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:02:11,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-12-09 16:02:11,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:02:11,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:02:11,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:02:11,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:02:11,036 INFO L87 Difference]: Start difference. First operand 9113 states and 10694 transitions. Second operand 3 states. [2018-12-09 16:02:11,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:11,976 INFO L93 Difference]: Finished difference Result 18829 states and 22391 transitions. [2018-12-09 16:02:11,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:02:11,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 597 [2018-12-09 16:02:11,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:11,991 INFO L225 Difference]: With dead ends: 18829 [2018-12-09 16:02:11,991 INFO L226 Difference]: Without dead ends: 10029 [2018-12-09 16:02:12,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1193 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:02:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2018-12-09 16:02:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 9415. [2018-12-09 16:02:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9415 states. [2018-12-09 16:02:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 10996 transitions. [2018-12-09 16:02:12,088 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 10996 transitions. Word has length 597 [2018-12-09 16:02:12,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:12,088 INFO L480 AbstractCegarLoop]: Abstraction has 9415 states and 10996 transitions. [2018-12-09 16:02:12,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:02:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 10996 transitions. [2018-12-09 16:02:12,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2018-12-09 16:02:12,094 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:12,094 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:12,094 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:12,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:12,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1820467248, now seen corresponding path program 1 times [2018-12-09 16:02:12,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:12,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:12,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:12,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:12,095 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:12,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:12,408 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:12,408 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 620 with the following transitions: [2018-12-09 16:02:12,408 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:12,411 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:12,411 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:12,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:12,809 INFO L272 AbstractInterpreter]: Visited 294 different actions 1163 times. Merged at 6 different actions 18 times. Never widened. Performed 15832 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 16:02:12,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:12,810 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:12,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:12,810 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/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 [2018-12-09 16:02:12,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:12,818 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:12,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:13,020 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:02:13,268 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:02:13,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 16:02:13,269 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:02:13,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:02:13,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:02:13,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:02:13,269 INFO L87 Difference]: Start difference. First operand 9415 states and 10996 transitions. Second operand 9 states. [2018-12-09 16:02:15,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:15,944 INFO L93 Difference]: Finished difference Result 22547 states and 28377 transitions. [2018-12-09 16:02:15,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 16:02:15,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 619 [2018-12-09 16:02:15,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:15,967 INFO L225 Difference]: With dead ends: 22547 [2018-12-09 16:02:15,967 INFO L226 Difference]: Without dead ends: 13445 [2018-12-09 16:02:15,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1239 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-09 16:02:15,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13445 states. [2018-12-09 16:02:16,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13445 to 13405. [2018-12-09 16:02:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13405 states. [2018-12-09 16:02:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13405 states to 13405 states and 16279 transitions. [2018-12-09 16:02:16,135 INFO L78 Accepts]: Start accepts. Automaton has 13405 states and 16279 transitions. Word has length 619 [2018-12-09 16:02:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:16,135 INFO L480 AbstractCegarLoop]: Abstraction has 13405 states and 16279 transitions. [2018-12-09 16:02:16,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:02:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 13405 states and 16279 transitions. [2018-12-09 16:02:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2018-12-09 16:02:16,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:16,146 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:16,146 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:16,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:16,147 INFO L82 PathProgramCache]: Analyzing trace with hash -134222251, now seen corresponding path program 1 times [2018-12-09 16:02:16,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:16,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:16,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:16,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:16,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 472 proven. 91 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-09 16:02:16,424 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:16,424 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:16,424 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 679 with the following transitions: [2018-12-09 16:02:16,424 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [930], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:16,426 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:16,427 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:19,703 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:19,704 INFO L272 AbstractInterpreter]: Visited 287 different actions 1136 times. Merged at 8 different actions 25 times. Never widened. Performed 15817 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 8 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:02:19,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:19,722 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:19,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:19,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/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 [2018-12-09 16:02:19,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:19,789 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:19,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2018-12-09 16:02:19,981 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2018-12-09 16:02:20,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:02:20,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-12-09 16:02:20,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:02:20,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:02:20,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:02:20,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:02:20,124 INFO L87 Difference]: Start difference. First operand 13405 states and 16279 transitions. Second operand 3 states. [2018-12-09 16:02:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:20,812 INFO L93 Difference]: Finished difference Result 28374 states and 34851 transitions. [2018-12-09 16:02:20,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:02:20,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 678 [2018-12-09 16:02:20,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:20,838 INFO L225 Difference]: With dead ends: 28374 [2018-12-09 16:02:20,838 INFO L226 Difference]: Without dead ends: 15282 [2018-12-09 16:02:20,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1361 GetRequests, 1356 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:02:20,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15282 states. [2018-12-09 16:02:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15282 to 13093. [2018-12-09 16:02:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13093 states. [2018-12-09 16:02:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 15877 transitions. [2018-12-09 16:02:21,003 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 15877 transitions. Word has length 678 [2018-12-09 16:02:21,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:21,004 INFO L480 AbstractCegarLoop]: Abstraction has 13093 states and 15877 transitions. [2018-12-09 16:02:21,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:02:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 15877 transitions. [2018-12-09 16:02:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2018-12-09 16:02:21,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:21,016 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:21,016 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:21,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:21,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018284, now seen corresponding path program 1 times [2018-12-09 16:02:21,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:21,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:21,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:21,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:21,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 530 proven. 109 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-12-09 16:02:21,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:21,361 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:21,361 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 755 with the following transitions: [2018-12-09 16:02:21,362 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:21,365 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:21,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:24,767 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:24,767 INFO L272 AbstractInterpreter]: Visited 287 different actions 1135 times. Merged at 8 different actions 24 times. Never widened. Performed 15829 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15829 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:02:24,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:24,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:24,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:24,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:24,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:24,775 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:24,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 16:02:25,024 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 530 proven. 109 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-12-09 16:02:25,280 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:02:25,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 16:02:25,281 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:02:25,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:02:25,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:02:25,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:02:25,282 INFO L87 Difference]: Start difference. First operand 13093 states and 15877 transitions. Second operand 9 states. [2018-12-09 16:02:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:27,557 INFO L93 Difference]: Finished difference Result 27578 states and 35508 transitions. [2018-12-09 16:02:27,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 16:02:27,557 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 754 [2018-12-09 16:02:27,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:27,588 INFO L225 Difference]: With dead ends: 27578 [2018-12-09 16:02:27,588 INFO L226 Difference]: Without dead ends: 14798 [2018-12-09 16:02:27,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1537 GetRequests, 1515 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 16:02:27,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14798 states. [2018-12-09 16:02:27,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14798 to 14419. [2018-12-09 16:02:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14419 states. [2018-12-09 16:02:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14419 states to 14419 states and 17663 transitions. [2018-12-09 16:02:27,809 INFO L78 Accepts]: Start accepts. Automaton has 14419 states and 17663 transitions. Word has length 754 [2018-12-09 16:02:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:27,809 INFO L480 AbstractCegarLoop]: Abstraction has 14419 states and 17663 transitions. [2018-12-09 16:02:27,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:02:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 14419 states and 17663 transitions. [2018-12-09 16:02:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2018-12-09 16:02:27,820 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:27,820 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:27,821 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:27,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:27,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1522929893, now seen corresponding path program 1 times [2018-12-09 16:02:27,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:27,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:27,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:27,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:27,822 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-09 16:02:28,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:28,248 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:28,248 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 813 with the following transitions: [2018-12-09 16:02:28,248 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:28,250 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:28,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:28,657 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:28,657 INFO L272 AbstractInterpreter]: Visited 295 different actions 1176 times. Merged at 7 different actions 27 times. Never widened. Performed 16006 root evaluator evaluations with a maximum evaluation depth of 10. Performed 16006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:02:28,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:28,658 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:28,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:28,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:28,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:28,664 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:28,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-09 16:02:28,955 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-09 16:02:29,335 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:02:29,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 16:02:29,335 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:02:29,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:02:29,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:02:29,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:02:29,336 INFO L87 Difference]: Start difference. First operand 14419 states and 17663 transitions. Second operand 9 states. [2018-12-09 16:02:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:30,728 INFO L93 Difference]: Finished difference Result 28552 states and 34104 transitions. [2018-12-09 16:02:30,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 16:02:30,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 812 [2018-12-09 16:02:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:30,749 INFO L225 Difference]: With dead ends: 28552 [2018-12-09 16:02:30,749 INFO L226 Difference]: Without dead ends: 14446 [2018-12-09 16:02:30,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1643 GetRequests, 1626 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-09 16:02:30,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2018-12-09 16:02:30,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 13437. [2018-12-09 16:02:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13437 states. [2018-12-09 16:02:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13437 states to 13437 states and 14958 transitions. [2018-12-09 16:02:30,914 INFO L78 Accepts]: Start accepts. Automaton has 13437 states and 14958 transitions. Word has length 812 [2018-12-09 16:02:30,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:30,915 INFO L480 AbstractCegarLoop]: Abstraction has 13437 states and 14958 transitions. [2018-12-09 16:02:30,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:02:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 13437 states and 14958 transitions. [2018-12-09 16:02:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2018-12-09 16:02:30,924 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:30,924 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:02:30,924 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:30,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:30,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1698336555, now seen corresponding path program 1 times [2018-12-09 16:02:30,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:30,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:30,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:30,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:30,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 16:02:31,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:31,287 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:31,287 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 846 with the following transitions: [2018-12-09 16:02:31,287 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:31,290 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:31,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:34,683 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:34,683 INFO L272 AbstractInterpreter]: Visited 290 different actions 1144 times. Merged at 9 different actions 27 times. Never widened. Performed 15855 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15855 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 9 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:02:34,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:34,685 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:34,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:34,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:34,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:34,691 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:34,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 16:02:34,971 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 16:02:35,235 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:02:35,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-09 16:02:35,236 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:02:35,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:02:35,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:02:35,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:02:35,236 INFO L87 Difference]: Start difference. First operand 13437 states and 14958 transitions. Second operand 7 states. [2018-12-09 16:02:37,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:37,395 INFO L93 Difference]: Finished difference Result 31624 states and 35505 transitions. [2018-12-09 16:02:37,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 16:02:37,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 845 [2018-12-09 16:02:37,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:37,421 INFO L225 Difference]: With dead ends: 31624 [2018-12-09 16:02:37,421 INFO L226 Difference]: Without dead ends: 18500 [2018-12-09 16:02:37,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1703 GetRequests, 1690 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-09 16:02:37,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18500 states. [2018-12-09 16:02:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18500 to 18467. [2018-12-09 16:02:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18467 states. [2018-12-09 16:02:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18467 states to 18467 states and 20471 transitions. [2018-12-09 16:02:37,689 INFO L78 Accepts]: Start accepts. Automaton has 18467 states and 20471 transitions. Word has length 845 [2018-12-09 16:02:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:37,689 INFO L480 AbstractCegarLoop]: Abstraction has 18467 states and 20471 transitions. [2018-12-09 16:02:37,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:02:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 18467 states and 20471 transitions. [2018-12-09 16:02:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-12-09 16:02:37,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:37,702 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:02:37,702 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:37,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:37,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1599223055, now seen corresponding path program 1 times [2018-12-09 16:02:37,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:37,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:37,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:37,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:37,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 16:02:38,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:38,398 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:38,398 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-12-09 16:02:38,399 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:38,401 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:38,401 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:41,246 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:41,247 INFO L272 AbstractInterpreter]: Visited 290 different actions 863 times. Merged at 9 different actions 22 times. Never widened. Performed 11811 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 16:02:41,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:41,250 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:41,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:41,250 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:41,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:41,256 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:41,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 16:02:41,778 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 16:02:42,270 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:02:42,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 13 [2018-12-09 16:02:42,270 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:02:42,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 16:02:42,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 16:02:42,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-09 16:02:42,271 INFO L87 Difference]: Start difference. First operand 18467 states and 20471 transitions. Second operand 12 states. [2018-12-09 16:02:46,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:02:46,229 INFO L93 Difference]: Finished difference Result 36663 states and 40678 transitions. [2018-12-09 16:02:46,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-09 16:02:46,230 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 883 [2018-12-09 16:02:46,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:02:46,256 INFO L225 Difference]: With dead ends: 36663 [2018-12-09 16:02:46,256 INFO L226 Difference]: Without dead ends: 18509 [2018-12-09 16:02:46,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1811 GetRequests, 1776 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2018-12-09 16:02:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18509 states. [2018-12-09 16:02:46,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18509 to 18481. [2018-12-09 16:02:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18481 states. [2018-12-09 16:02:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18481 states to 18481 states and 20341 transitions. [2018-12-09 16:02:46,469 INFO L78 Accepts]: Start accepts. Automaton has 18481 states and 20341 transitions. Word has length 883 [2018-12-09 16:02:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:02:46,469 INFO L480 AbstractCegarLoop]: Abstraction has 18481 states and 20341 transitions. [2018-12-09 16:02:46,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 16:02:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 18481 states and 20341 transitions. [2018-12-09 16:02:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2018-12-09 16:02:46,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:02:46,482 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 16:02:46,482 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:02:46,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:46,482 INFO L82 PathProgramCache]: Analyzing trace with hash -341046833, now seen corresponding path program 1 times [2018-12-09 16:02:46,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:02:46,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:46,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:46,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:02:46,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:02:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-12-09 16:02:47,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:47,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:02:47,069 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 899 with the following transitions: [2018-12-09 16:02:47,069 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:02:47,073 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:02:47,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:02:48,892 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:02:48,892 INFO L272 AbstractInterpreter]: Visited 297 different actions 1181 times. Merged at 7 different actions 26 times. Never widened. Performed 15993 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15993 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 16:02:48,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:02:48,894 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:02:48,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:02:48,894 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:02:48,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:02:48,900 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:02:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:48,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:02:53,053 WARN L180 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 16:02:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 11 proven. 154 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-12-09 16:02:53,399 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:02:55,967 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 35 DAG size of output: 13 [2018-12-09 16:02:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-12-09 16:02:58,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 16:02:58,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-09 16:02:58,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:02:58,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:02:58,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:02:58,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 16:02:58,903 INFO L87 Difference]: Start difference. First operand 18481 states and 20341 transitions. Second operand 6 states. [2018-12-09 16:03:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:01,852 INFO L93 Difference]: Finished difference Result 37275 states and 41181 transitions. [2018-12-09 16:03:01,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:03:01,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 898 [2018-12-09 16:03:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:01,879 INFO L225 Difference]: With dead ends: 37275 [2018-12-09 16:03:01,879 INFO L226 Difference]: Without dead ends: 18794 [2018-12-09 16:03:01,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1808 GetRequests, 1792 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 16:03:01,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18794 states. [2018-12-09 16:03:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18794 to 18479. [2018-12-09 16:03:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18479 states. [2018-12-09 16:03:02,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 20413 transitions. [2018-12-09 16:03:02,103 INFO L78 Accepts]: Start accepts. Automaton has 18479 states and 20413 transitions. Word has length 898 [2018-12-09 16:03:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:02,104 INFO L480 AbstractCegarLoop]: Abstraction has 18479 states and 20413 transitions. [2018-12-09 16:03:02,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:03:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18479 states and 20413 transitions. [2018-12-09 16:03:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2018-12-09 16:03:02,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:02,129 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:03:02,130 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:02,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:02,130 INFO L82 PathProgramCache]: Analyzing trace with hash 124704961, now seen corresponding path program 1 times [2018-12-09 16:03:02,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:02,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:02,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:02,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:02,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 744 proven. 235 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-09 16:03:02,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:02,568 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:03:02,568 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 974 with the following transitions: [2018-12-09 16:03:02,568 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [671], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:03:02,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:03:02,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:03:07,366 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:03:07,366 INFO L272 AbstractInterpreter]: Visited 291 different actions 1146 times. Merged at 8 different actions 25 times. Never widened. Performed 15750 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15750 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 16:03:07,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:07,368 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:03:07,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:07,368 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:03:07,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:07,375 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:03:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:07,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:03:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 912 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-12-09 16:03:07,859 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:03:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 912 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-12-09 16:03:08,675 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:03:08,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 16:03:08,675 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:03:08,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:03:08,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:03:08,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:03:08,676 INFO L87 Difference]: Start difference. First operand 18479 states and 20413 transitions. Second operand 9 states. [2018-12-09 16:03:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:16,457 INFO L93 Difference]: Finished difference Result 41622 states and 46418 transitions. [2018-12-09 16:03:16,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 16:03:16,458 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 973 [2018-12-09 16:03:16,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:16,489 INFO L225 Difference]: With dead ends: 41622 [2018-12-09 16:03:16,490 INFO L226 Difference]: Without dead ends: 23456 [2018-12-09 16:03:16,508 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2005 GetRequests, 1966 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=307, Invalid=1253, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 16:03:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23456 states. [2018-12-09 16:03:16,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23456 to 23131. [2018-12-09 16:03:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23131 states. [2018-12-09 16:03:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 25188 transitions. [2018-12-09 16:03:16,746 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 25188 transitions. Word has length 973 [2018-12-09 16:03:16,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:16,746 INFO L480 AbstractCegarLoop]: Abstraction has 23131 states and 25188 transitions. [2018-12-09 16:03:16,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:03:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 25188 transitions. [2018-12-09 16:03:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1363 [2018-12-09 16:03:16,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:16,792 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:03:16,792 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:16,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:16,792 INFO L82 PathProgramCache]: Analyzing trace with hash -856430705, now seen corresponding path program 1 times [2018-12-09 16:03:16,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:16,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:16,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:16,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:16,793 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 817 proven. 1370 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2018-12-09 16:03:17,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:17,796 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:03:17,796 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1363 with the following transitions: [2018-12-09 16:03:17,797 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:03:17,799 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:03:17,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:03:18,663 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:03:18,663 INFO L272 AbstractInterpreter]: Visited 289 different actions 1441 times. Merged at 9 different actions 45 times. Widened at 1 different actions 1 times. Performed 19862 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19862 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 18 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 16:03:18,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:18,666 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:03:18,666 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:18,666 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:03:18,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:18,672 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:03:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:18,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:03:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2329 proven. 2 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2018-12-09 16:03:19,265 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:03:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 1005 proven. 375 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2018-12-09 16:03:19,908 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:03:19,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-09 16:03:19,909 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:03:19,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 16:03:19,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 16:03:19,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-09 16:03:19,910 INFO L87 Difference]: Start difference. First operand 23131 states and 25188 transitions. Second operand 12 states. [2018-12-09 16:03:21,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:21,478 INFO L93 Difference]: Finished difference Result 41073 states and 44302 transitions. [2018-12-09 16:03:21,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 16:03:21,478 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1362 [2018-12-09 16:03:21,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:21,501 INFO L225 Difference]: With dead ends: 41073 [2018-12-09 16:03:21,501 INFO L226 Difference]: Without dead ends: 20404 [2018-12-09 16:03:21,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2763 GetRequests, 2734 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-12-09 16:03:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20404 states. [2018-12-09 16:03:21,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20404 to 18235. [2018-12-09 16:03:21,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18235 states. [2018-12-09 16:03:21,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18235 states to 18235 states and 19161 transitions. [2018-12-09 16:03:21,696 INFO L78 Accepts]: Start accepts. Automaton has 18235 states and 19161 transitions. Word has length 1362 [2018-12-09 16:03:21,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:21,697 INFO L480 AbstractCegarLoop]: Abstraction has 18235 states and 19161 transitions. [2018-12-09 16:03:21,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 16:03:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 18235 states and 19161 transitions. [2018-12-09 16:03:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2018-12-09 16:03:21,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:21,729 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:03:21,729 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:21,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:21,730 INFO L82 PathProgramCache]: Analyzing trace with hash -583082538, now seen corresponding path program 1 times [2018-12-09 16:03:21,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:21,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:21,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:21,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:21,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1116 proven. 579 refuted. 0 times theorem prover too weak. 4398 trivial. 0 not checked. [2018-12-09 16:03:22,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:22,711 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:03:22,711 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1712 with the following transitions: [2018-12-09 16:03:22,712 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [932], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:03:22,714 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:03:22,714 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:03:23,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:03:23,632 INFO L272 AbstractInterpreter]: Visited 296 different actions 1458 times. Merged at 10 different actions 43 times. Never widened. Performed 19984 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 21 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 16:03:23,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:23,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:03:23,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:23,633 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:03:23,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:23,670 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:03:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:23,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:03:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 3863 proven. 2 refuted. 0 times theorem prover too weak. 2228 trivial. 0 not checked. [2018-12-09 16:03:24,526 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:03:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1116 proven. 579 refuted. 0 times theorem prover too weak. 4398 trivial. 0 not checked. [2018-12-09 16:03:25,361 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:03:25,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 16:03:25,361 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:03:25,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:03:25,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:03:25,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:03:25,362 INFO L87 Difference]: Start difference. First operand 18235 states and 19161 transitions. Second operand 9 states. [2018-12-09 16:03:27,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:27,082 INFO L93 Difference]: Finished difference Result 36337 states and 38610 transitions. [2018-12-09 16:03:27,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 16:03:27,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1711 [2018-12-09 16:03:27,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:27,106 INFO L225 Difference]: With dead ends: 36337 [2018-12-09 16:03:27,106 INFO L226 Difference]: Without dead ends: 18419 [2018-12-09 16:03:27,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3443 GetRequests, 3425 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2018-12-09 16:03:27,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18419 states. [2018-12-09 16:03:27,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18419 to 18239. [2018-12-09 16:03:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18239 states. [2018-12-09 16:03:27,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18239 states to 18239 states and 19033 transitions. [2018-12-09 16:03:27,332 INFO L78 Accepts]: Start accepts. Automaton has 18239 states and 19033 transitions. Word has length 1711 [2018-12-09 16:03:27,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:27,333 INFO L480 AbstractCegarLoop]: Abstraction has 18239 states and 19033 transitions. [2018-12-09 16:03:27,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:03:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 18239 states and 19033 transitions. [2018-12-09 16:03:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1811 [2018-12-09 16:03:27,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:27,356 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 16:03:27,356 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:27,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1289558300, now seen corresponding path program 1 times [2018-12-09 16:03:27,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:27,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:27,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:27,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:27,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 1372 proven. 427 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2018-12-09 16:03:28,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:28,464 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:03:28,465 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1811 with the following transitions: [2018-12-09 16:03:28,465 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [932], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:03:28,467 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:03:28,467 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:03:29,386 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:03:29,386 INFO L272 AbstractInterpreter]: Visited 299 different actions 1465 times. Merged at 11 different actions 43 times. Never widened. Performed 20033 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20033 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 22 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 16:03:29,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:29,388 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:03:29,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:29,388 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:03:29,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:29,395 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:03:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:29,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:03:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 4382 proven. 2 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2018-12-09 16:03:30,352 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:03:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 1372 proven. 427 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2018-12-09 16:03:31,340 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:03:31,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-12-09 16:03:31,341 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:03:31,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 16:03:31,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 16:03:31,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:03:31,342 INFO L87 Difference]: Start difference. First operand 18239 states and 19033 transitions. Second operand 8 states. [2018-12-09 16:03:33,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:33,732 INFO L93 Difference]: Finished difference Result 41774 states and 43841 transitions. [2018-12-09 16:03:33,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 16:03:33,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1810 [2018-12-09 16:03:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:33,762 INFO L225 Difference]: With dead ends: 41774 [2018-12-09 16:03:33,763 INFO L226 Difference]: Without dead ends: 23852 [2018-12-09 16:03:33,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3641 GetRequests, 3623 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-12-09 16:03:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23852 states. [2018-12-09 16:03:33,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23852 to 19488. [2018-12-09 16:03:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19488 states. [2018-12-09 16:03:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19488 states to 19488 states and 20318 transitions. [2018-12-09 16:03:33,980 INFO L78 Accepts]: Start accepts. Automaton has 19488 states and 20318 transitions. Word has length 1810 [2018-12-09 16:03:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:33,980 INFO L480 AbstractCegarLoop]: Abstraction has 19488 states and 20318 transitions. [2018-12-09 16:03:33,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 16:03:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 19488 states and 20318 transitions. [2018-12-09 16:03:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1910 [2018-12-09 16:03:34,004 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:03:34,004 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:03:34,004 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:03:34,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:34,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1599291574, now seen corresponding path program 1 times [2018-12-09 16:03:34,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:03:34,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:34,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:34,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:03:34,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:03:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 1777 proven. 375 refuted. 0 times theorem prover too weak. 5309 trivial. 0 not checked. [2018-12-09 16:03:35,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:35,225 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:03:35,226 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1910 with the following transitions: [2018-12-09 16:03:35,226 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1386], [1391], [1393], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 16:03:35,228 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:03:35,228 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:03:36,167 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:03:36,167 INFO L272 AbstractInterpreter]: Visited 299 different actions 1466 times. Merged at 11 different actions 44 times. Never widened. Performed 20037 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20037 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 22 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 16:03:36,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:03:36,169 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:03:36,169 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:03:36,169 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:03:36,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:03:36,175 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:03:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:03:36,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:03:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 4256 proven. 2 refuted. 0 times theorem prover too weak. 3203 trivial. 0 not checked. [2018-12-09 16:03:37,255 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:03:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 1777 proven. 375 refuted. 0 times theorem prover too weak. 5309 trivial. 0 not checked. [2018-12-09 16:03:38,450 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:03:38,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-12-09 16:03:38,451 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:03:38,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 16:03:38,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 16:03:38,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:03:38,453 INFO L87 Difference]: Start difference. First operand 19488 states and 20318 transitions. Second operand 8 states. [2018-12-09 16:03:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:03:40,803 INFO L93 Difference]: Finished difference Result 38665 states and 40481 transitions. [2018-12-09 16:03:40,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 16:03:40,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1909 [2018-12-09 16:03:40,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:03:40,805 INFO L225 Difference]: With dead ends: 38665 [2018-12-09 16:03:40,805 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:03:40,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3838 GetRequests, 3820 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-12-09 16:03:40,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:03:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:03:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:03:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:03:40,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1909 [2018-12-09 16:03:40,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:03:40,825 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:03:40,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 16:03:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:03:40,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:03:40,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:03:40,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:40,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:40,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,550 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 326 [2018-12-09 16:03:41,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,851 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 328 [2018-12-09 16:03:41,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:41,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:42,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:03:51,834 WARN L180 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 540 DAG size of output: 180 [2018-12-09 16:04:02,569 WARN L180 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 537 DAG size of output: 178 [2018-12-09 16:04:04,640 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 331 DAG size of output: 90 [2018-12-09 16:04:06,855 WARN L180 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 334 DAG size of output: 90 [2018-12-09 16:04:18,069 WARN L180 SmtUtils]: Spent 11.20 s on a formula simplification. DAG size of input: 568 DAG size of output: 192 [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a2~0 |old(~a2~0)|) (or (<= (+ ~a4~0 86) 0) (<= 0 (+ |old(~a4~0)| 85))) (= ~a0~0 |old(~a0~0)|)) [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse29 (+ ~a4~0 86))) (let ((.cse10 (<= (+ |old(~a4~0)| 86) 0)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse31 (= 3 |old(~a2~0)|)) (.cse5 (<= (+ |old(~a29~0)| 144) 0)) (.cse19 (<= 0 (+ |old(~a4~0)| 85))) (.cse27 (< (+ ~a4~0 85) 0)) (.cse30 (+ |old(~a0~0)| 98)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse8 (< 0 .cse29)) (.cse24 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse28 (+ |old(~a0~0)| 44))) (let ((.cse9 (= 2 ~a2~0)) (.cse20 (< .cse28 0)) (.cse11 (= 1 ~a2~0)) (.cse12 (not (= |old(~a2~0)| 1))) (.cse23 (and .cse0 .cse8 .cse24 .cse1)) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse14 (<= .cse30 0)) (.cse15 (and .cse0 .cse24 .cse1)) (.cse13 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse4 (not (= 5 |old(~a2~0)|))) (.cse16 (and .cse0 .cse24 .cse27 .cse1)) (.cse25 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse5 .cse19)) (.cse21 (not .cse31)) (.cse22 (= 3 ~a2~0)) (.cse3 (< 0 .cse30)) (.cse6 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242)))) (.cse7 (or .cse10 .cse18))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or .cse4 .cse5 .cse3 (and .cse0 .cse1 (= 5 ~a2~0))) (or .cse6 .cse7 (and .cse0 .cse8 .cse9)) (or .cse10 (and .cse0 .cse8 .cse11 .cse1) .cse3 .cse12) (or .cse2 .cse13 .cse14 .cse5 .cse15) (or .cse16 .cse13 .cse17 .cse18 .cse19) (or (or (or .cse20 .cse5) .cse13 .cse21) (and (and .cse0 .cse22) .cse1)) (or .cse10 .cse2 .cse6 .cse23) (or (or .cse5 .cse18) (and (and .cse0 .cse9) .cse1) .cse3) (or .cse10 .cse6 .cse4 .cse23) (or (or .cse10 .cse5) .cse12 (and (and .cse24 .cse8) .cse0 .cse1)) (or .cse13 .cse16 .cse25 (< 4 |old(~a2~0)|)) (or .cse26 (and .cse24 .cse0 .cse27 .cse1) .cse19) (or .cse2 .cse20 .cse13 .cse19 .cse16) (or (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 .cse28)) .cse12 (not (= 0 (+ |old(~a4~0)| 89))) (= (+ ~a4~0 89) 0)) (or .cse26 .cse10 .cse14 .cse5 (and .cse0 .cse8 .cse1 .cse22) .cse21) (or .cse13 (and .cse0 (or (<= .cse29 0) .cse19) .cse11 .cse1) .cse5 .cse12) (or .cse13 .cse19 .cse21 (and .cse0 .cse27 .cse1 .cse22)) (or .cse26 .cse10 .cse4 .cse14 .cse23 .cse5) (or (or .cse26 .cse2 .cse14) .cse15) (or .cse13 .cse4 .cse16 .cse25) (or .cse21 (and .cse0 .cse1 .cse22) .cse3) (or .cse6 .cse17 .cse7 .cse1))))) [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,071 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-12-09 16:04:18,072 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,073 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,074 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,075 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,076 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,077 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86))) (let ((.cse10 (<= (+ |old(~a4~0)| 86) 0)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse31 (= 3 |old(~a2~0)|)) (.cse5 (<= (+ |old(~a29~0)| 144) 0)) (.cse19 (<= 0 (+ |old(~a4~0)| 85))) (.cse27 (< (+ ~a4~0 85) 0)) (.cse30 (+ |old(~a0~0)| 98)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse8 (< 0 .cse28)) (.cse24 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse29 (+ |old(~a0~0)| 44))) (let ((.cse9 (= 2 ~a2~0)) (.cse20 (< .cse29 0)) (.cse11 (= 1 ~a2~0)) (.cse23 (and .cse0 .cse8 .cse24 .cse1)) (.cse12 (not (= |old(~a2~0)| 1))) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse14 (<= .cse30 0)) (.cse15 (and .cse0 .cse24 .cse1)) (.cse13 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse4 (not (= 5 |old(~a2~0)|))) (.cse16 (and .cse0 .cse24 .cse27 .cse1)) (.cse25 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse5 .cse19)) (.cse21 (not .cse31)) (.cse22 (= 3 ~a2~0)) (.cse3 (< 0 .cse30)) (.cse6 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242)))) (.cse7 (or .cse10 .cse18))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or .cse4 .cse5 .cse3 (and .cse0 .cse1 (= 5 ~a2~0))) (or .cse6 .cse7 (and .cse0 .cse8 .cse9)) (or .cse10 (and .cse0 .cse8 .cse11 .cse1) .cse3 .cse12) (or .cse2 .cse13 .cse14 .cse5 .cse15) (or .cse16 .cse13 .cse17 .cse18 .cse19) (or (or (or .cse20 .cse5) .cse13 .cse21) (and (and .cse0 .cse22) .cse1)) (or .cse10 .cse2 .cse6 .cse23) (or (or .cse5 .cse18) (and (and .cse0 .cse9) .cse1) .cse3) (or .cse10 .cse6 .cse4 .cse23) (or (or .cse10 .cse5) .cse12 (and (and .cse24 .cse8) .cse0 .cse1)) (or .cse13 .cse16 .cse25 (< 4 |old(~a2~0)|)) (or .cse26 (and .cse24 .cse0 .cse27 .cse1) .cse19) (or .cse2 .cse20 .cse13 .cse19 .cse16) (or .cse26 .cse10 .cse14 .cse5 (and .cse0 .cse8 .cse1 .cse22) .cse21) (or .cse13 (and .cse0 (or (<= .cse28 0) .cse19) .cse11 .cse1) .cse5 .cse12) (or .cse13 .cse19 .cse21 (and .cse0 .cse27 .cse1 .cse22)) (or .cse26 .cse10 .cse4 .cse14 .cse23 .cse5) (or (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse29)) (= (+ ~a4~0 89) 0) .cse12 (not (= 0 (+ |old(~a4~0)| 89)))) (or (or .cse26 .cse2 .cse14) .cse15) (or .cse13 .cse4 .cse16 .cse25) (or .cse21 (and .cse0 .cse1 .cse22) .cse3) (or .cse6 .cse17 .cse7 .cse1))))) [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-12-09 16:04:18,078 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,079 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,080 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse27 (+ ~a4~0 86))) (let ((.cse29 (+ |old(~a0~0)| 98)) (.cse30 (= 3 |old(~a2~0)|)) (.cse9 (<= (+ |old(~a29~0)| 144) 0)) (.cse13 (<= 0 (+ |old(~a4~0)| 85))) (.cse10 (< (+ ~a4~0 85) 0)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse6 (< 0 .cse27)) (.cse25 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse28 (+ |old(~a0~0)| 44))) (let ((.cse24 (< .cse28 0)) (.cse15 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (not (= 2 |old(~a2~0)|))) (.cse18 (= 2 ~a2~0)) (.cse3 (< |old(~a29~0)| 44)) (.cse5 (<= (+ |old(~a4~0)| 86) 0)) (.cse16 (and .cse0 .cse6 .cse25 .cse1)) (.cse7 (= 1 ~a2~0)) (.cse20 (and .cse0 .cse25 .cse10 .cse1)) (.cse12 (exists ((v_~a0~0_1001 Int)) (let ((.cse32 (* 9 v_~a0~0_1001))) (and (<= 0 .cse32) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse32 10)))))) (.cse19 (not (= 5 |old(~a2~0)|))) (.cse21 (or (< |old(~a2~0)| 2) .cse30 (exists ((v_prenex_11 Int)) (let ((.cse31 (* 9 v_prenex_11))) (and (<= 0 .cse31) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse31 10))))) .cse9 .cse13)) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse22 (<= .cse29 0)) (.cse23 (and .cse0 .cse25 .cse1)) (.cse14 (not .cse30)) (.cse11 (= 3 ~a2~0)) (.cse4 (< 0 .cse29)) (.cse8 (not (= |old(~a2~0)| 1)))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 .cse3 .cse4)) (or .cse5 (and .cse0 .cse6 .cse7 .cse1) .cse4 .cse8) (or (or .cse5 .cse9) (and .cse1 (and .cse6 .cse0 (= ~a2~0 |old(~a2~0)|))) .cse8) (or (and .cse0 .cse10 .cse1 .cse11) .cse12 .cse13 .cse14) (or .cse5 .cse2 .cse15 .cse16) (or (or .cse9 .cse17) (and (and .cse0 .cse18) .cse1) .cse4) (or .cse5 .cse15 .cse19 .cse16) (or .cse12 .cse20 .cse21 (< 4 |old(~a2~0)|)) (or .cse2 .cse12 .cse22 .cse23 .cse9) (or .cse20 .cse2 .cse24 .cse12 .cse13) (or (and (and .cse25 .cse0) .cse1) (or (or .cse24 .cse9) .cse12 .cse14)) (or .cse26 (and .cse25 .cse0 .cse10 .cse1) .cse13) (or .cse12 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242))) .cse20 .cse17 .cse13) (or .cse26 .cse5 .cse22 .cse9 (and .cse0 .cse6 .cse1 .cse11) .cse14) (or .cse15 (or .cse5 .cse17) (and (and .cse0 .cse6 .cse18) .cse1)) (or .cse19 .cse9 .cse4 (and .cse0 (= 5 ~a2~0) .cse1)) (or .cse3 .cse12 .cse19 .cse21 (or (not (= calculate_output_~input 6)) (<= (+ ~a0~0 61) 0))) (or .cse26 .cse5 .cse19 .cse22 .cse16 .cse9) (or (and .cse0 (or (<= .cse27 0) .cse13) .cse7 .cse1) .cse12 .cse9 .cse8) (or .cse20 .cse12 .cse19 .cse21) (or (or .cse26 .cse2 .cse22) .cse23) (or .cse14 (and .cse0 .cse1 .cse11) .cse4) (or (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse28)) .cse8 (not (= 0 (+ |old(~a4~0)| 89))) (and (not (= calculate_output_~input 0)) (= (+ ~a4~0 89) 0))))))) [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,081 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,082 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,083 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 16:04:18,084 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,085 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-12-09 16:04:18,086 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,087 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,088 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (+ ~a0~0 44) 0) (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= (+ ~a29~0 127) 0)) [2018-12-09 16:04:18,089 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (or (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 (+ |old(~a0~0)| 44))) (not (= |old(~a2~0)| 1)) (not (= 0 (+ |old(~a4~0)| 89))) (and (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= ~a0~0 |old(~a0~0)|) (= (+ ~a29~0 127) 0))) [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse14 (+ ~a0~0 98))) (let ((.cse8 (= 1 ~a2~0)) (.cse1 (= 3 ~a2~0)) (.cse7 (< 0 .cse14)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse12 (<= 0 (+ ~a0~0 44))) (.cse3 (<= .cse14 0)) (.cse6 (= 4 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse5 (forall ((v_~a0~0_1001 Int)) (let ((.cse13 (* 9 v_~a0~0_1001))) (or (< (div .cse13 10) 556513) (< .cse13 0) (< ~a0~0 v_~a0~0_1001))))) (.cse0 (< 0 (+ ~a29~0 144))) (.cse9 (< (+ ~a4~0 85) 0)) (.cse11 (= 5 ~a2~0)) (.cse10 (<= (+ ~a0~0 107) 0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse0 .cse4) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse5 .cse6 .cse0 .cse7) (and (and .cse0 (< 0 (+ ~a4~0 86))) .cse8) (and .cse5 .cse9 .cse1) (and .cse3 .cse8) (and .cse5 .cse0 .cse8) (and .cse9 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse5 .cse4 .cse9) (and .cse3 .cse1) (and .cse6 .cse10) (and .cse11 .cse2 .cse0) (and .cse5 (and .cse0 .cse12) .cse1) (not (= 0 (+ |old(~a29~0)| 127))) (and (and .cse7 .cse6) .cse2) (and .cse5 .cse12 .cse6 .cse9) (and .cse3 .cse6 (<= 44 ~a29~0)) (and .cse4 .cse10) (and .cse5 .cse11 .cse0 .cse9) (not (= |old(~a2~0)| 1)) (and .cse11 .cse10)))) [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-12-09 16:04:18,089 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse14 (+ ~a0~0 98))) (let ((.cse8 (= 1 ~a2~0)) (.cse1 (= 3 ~a2~0)) (.cse7 (< 0 .cse14)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse12 (<= 0 (+ ~a0~0 44))) (.cse3 (<= .cse14 0)) (.cse6 (= 4 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse5 (forall ((v_~a0~0_1001 Int)) (let ((.cse13 (* 9 v_~a0~0_1001))) (or (< (div .cse13 10) 556513) (< .cse13 0) (< ~a0~0 v_~a0~0_1001))))) (.cse0 (< 0 (+ ~a29~0 144))) (.cse9 (< (+ ~a4~0 85) 0)) (.cse11 (= 5 ~a2~0)) (.cse10 (<= (+ ~a0~0 107) 0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse0 .cse4) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse5 .cse6 .cse0 .cse7) (and (and .cse0 (< 0 (+ ~a4~0 86))) .cse8) (and .cse5 .cse9 .cse1) (and .cse3 .cse8) (and .cse5 .cse0 .cse8) (and .cse9 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse5 .cse4 .cse9) (and .cse3 .cse1) (and .cse6 .cse10) (and .cse11 .cse2 .cse0) (and .cse5 (and .cse0 .cse12) .cse1) (not (= 0 (+ |old(~a29~0)| 127))) (and (and .cse7 .cse6) .cse2) (and .cse5 .cse12 .cse6 .cse9) (and .cse3 .cse6 (<= 44 ~a29~0)) (and .cse4 .cse10) (and .cse5 .cse11 .cse0 .cse9) (not (= |old(~a2~0)| 1)) (and .cse11 .cse10)))) [2018-12-09 16:04:18,089 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-12-09 16:04:18,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:04:18 BoogieIcfgContainer [2018-12-09 16:04:18,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:04:18,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:04:18,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:04:18,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:04:18,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:04" (3/4) ... [2018-12-09 16:04:18,119 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:04:18,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:04:18,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 16:04:18,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 16:04:18,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:04:18,135 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 16:04:18,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 16:04:18,155 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((0 < a29 + 144 && 3 == a2) && a0 + 61 <= 0) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 2 == a2)) || !(0 == \old(a0) + 44)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 4 == a2) && 0 < a29 + 144) && 0 < a0 + 98)) || ((0 < a29 + 144 && 0 < a4 + 86) && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && a4 + 85 < 0) && 3 == a2)) || (a0 + 98 <= 0 && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144) && 1 == a2)) || (a4 + 85 < 0 && a0 + 61 <= 0)) || !(0 == \old(a4) + 89)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 2 == a2) && a4 + 85 < 0)) || (a0 + 98 <= 0 && 3 == a2)) || (4 == a2 && a0 + 107 <= 0)) || ((5 == a2 && a0 + 61 <= 0) && 0 < a29 + 144)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || !(0 == \old(a29) + 127)) || ((0 < a0 + 98 && 4 == a2) && a0 + 61 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 <= a0 + 44) && 4 == a2) && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 4 == a2) && 44 <= a29)) || (2 == a2 && a0 + 107 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 5 == a2) && 0 < a29 + 144) && a4 + 85 < 0)) || !(\old(a2) == 1)) || (5 == a2 && a0 + 107 <= 0) [2018-12-09 16:04:18,254 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4bc755bb-9e01-46b4-86bc-c7ea2c0f84f5/bin-2019/utaipan/witness.graphml [2018-12-09 16:04:18,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:04:18,254 INFO L168 Benchmark]: Toolchain (without parser) took 196385.50 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 947.0 MB in the beginning and 1.7 GB in the end (delta: -716.4 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-12-09 16:04:18,255 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:04:18,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:04:18,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.29 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. [2018-12-09 16:04:18,256 INFO L168 Benchmark]: Boogie Preprocessor took 70.52 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:04:18,256 INFO L168 Benchmark]: RCFGBuilder took 1615.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.5 MB). Peak memory consumption was 286.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:04:18,256 INFO L168 Benchmark]: TraceAbstraction took 193841.67 ms. Allocated memory was 1.3 GB in the beginning and 5.0 GB in the end (delta: 3.7 GB). Free memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: -534.5 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-09 16:04:18,256 INFO L168 Benchmark]: Witness Printer took 141.18 ms. Allocated memory is still 5.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:04:18,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 684.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.29 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 70.52 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1615.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.5 MB). Peak memory consumption was 286.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 193841.67 ms. Allocated memory was 1.3 GB in the beginning and 5.0 GB in the end (delta: 3.7 GB). Free memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: -534.5 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 141.18 ms. Allocated memory is still 5.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 1766]: Loop Invariant [2018-12-09 16:04:18,261 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,261 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,261 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,265 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,265 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,266 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-09 16:04:18,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((0 < a29 + 144 && 3 == a2) && a0 + 61 <= 0) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 2 == a2)) || !(0 == \old(a0) + 44)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 4 == a2) && 0 < a29 + 144) && 0 < a0 + 98)) || ((0 < a29 + 144 && 0 < a4 + 86) && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && a4 + 85 < 0) && 3 == a2)) || (a0 + 98 <= 0 && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144) && 1 == a2)) || (a4 + 85 < 0 && a0 + 61 <= 0)) || !(0 == \old(a4) + 89)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 2 == a2) && a4 + 85 < 0)) || (a0 + 98 <= 0 && 3 == a2)) || (4 == a2 && a0 + 107 <= 0)) || ((5 == a2 && a0 + 61 <= 0) && 0 < a29 + 144)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || !(0 == \old(a29) + 127)) || ((0 < a0 + 98 && 4 == a2) && a0 + 61 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 <= a0 + 44) && 4 == a2) && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 4 == a2) && 44 <= a29)) || (2 == a2 && a0 + 107 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 5 == a2) && 0 < a29 + 144) && a4 + 85 < 0)) || !(\old(a2) == 1)) || (5 == a2 && a0 + 107 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 193.7s OverallTime, 23 OverallIterations, 12 TraceHistogramMax, 84.9s AutomataDifference, 0.0s DeadEndRemovalTime, 37.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3552 SDtfs, 26328 SDslu, 4028 SDs, 0 SdLazy, 56657 SolverSat, 8133 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 70.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 30465 GetRequests, 30128 SyntacticMatches, 41 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23131occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 26.0s AbstIntTime, 18 AbstIntIterations, 1 AbstIntStrong, 0.9980171169826344 AbsIntWeakeningRatio, 0.10344827586206896 AbsIntAvgWeakeningVarsNumRemoved, 16.39463601532567 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 23 MinimizatonAttempts, 12853 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3451 PreInvPairs, 3695 NumberOfFragments, 3701 HoareAnnotationTreeSize, 3451 FomulaSimplifications, 158466 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 118513 FormulaSimplificationTreeSizeReductionInter, 35.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 33.1s InterpolantComputationTime, 30758 NumberOfCodeBlocks, 30758 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 45609 ConstructedInterpolants, 1147 QuantifiedInterpolants, 125815619 SizeOfPredicates, 30 NumberOfNonLiveVariables, 19744 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 57 InterpolantComputations, 13 PerfectInterpolantSequences, 96031/101985 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...